In-game advertising has grown far beyond static banners and intrusive pop ups. Gaming studios now work with native ad placements, real time billboards, intrinsic 3D meshes, playable creatives, product integrations and blended monetization formats. Advertising is no longer something pasted on top of a game. It is increasingly built into the world itself.

Good monetization never breaks the player experience. When it works, it feels natural. When it feels natural, the results improve. Session length increases, engagement holds stronger, ARPDAU grows, and LTV compounds over time. Players participate in the economy without friction and publishers earn more without damaging retention.

The problem is that choosing the right in-game advertising partner is not straightforward.

Every platform performs differently based on several factors:

• immersion quality
• CPM stability across markets
• rewarded versus native versus programmatic focus
• fill performance in Tier 1 and Tier 3 regions
• suitability for casual, hypercasual, mid core or PC based ecosystems

Instead of listing every monetization network a developer could possibly use, this guide highlights the ones that consistently deliver. The companies below are trusted by studios who care about scale, reliability, and long term revenue growth. These are the in game advertising partners that help monetization become predictable, profitable, and repeatable.

If you want to compare monetization platforms beyond in-game advertising specifically, UndrAds has already published a complete analysis of the top performing revenue partners for publishers.

Read here: Best 9 App Monetization Platforms for Publishers

What is In-Game Advertising?

In-game advertising refers to any form of paid brand or performance promotion that appears inside a game environment while the player is actively engaged in gameplay. Unlike traditional mobile ads that sit above or between sessions, in game ads are meant to exist within the world itself. They can appear as a billboard on a street, a brand logo on a racing banner, an item inside inventory, or even a rewarded unit that the player chooses to interact with.

The key idea is simple. Monetization happens inside the experience, not outside it. If you are new to in-app ads as a whole, UndrAds already published a breakdown that pairs well with this section.

Read next: What is In-App Advertising? A Guide for Publishers

How In-Game Advertising Actually Works?

A typical in game ad system involves three moving parts:

1. Inventory inside the game: This is the space that developers decide to open for advertising. It could be a stadium banner, a wall texture, a car body wrap, a reward button, an Offerwall, a menu tile or a playable insert. Without inventory, no monetization exists.
   
2. Demand from advertisers and brands: Brands and UA buyers bid for impressions inside games because gaming attention is highly concentrated and emotionally invested. Players are not passive. They are leaning forward, not sitting back like on television. This creates stronger recall, stronger click intent, and stronger outcome potential.
   
3. An ad delivery engine that connects both sides: This is where platforms like UndrAds operate. They deliver ads into available placements, optimize revenue based on fill and CPMs, match audience segments with targeting rules, and track performance across sessions.

The platform becomes the bridge and revenue rises when that bridge is efficient.

Types of In-Game Ads

In game advertising does not mean one thing. It covers multiple monetization layers that serve different levels of immersion and reward behavior.

Different games benefit from different setups. Hypercasual titles often rely on rewarded units and interstitials. PC and console experiences see better results with native or intrinsic in world placements. Casual mobile games sit somewhere in the middle depending on gameplay pace.

Why In-Game Advertising Works

Players spend more total time inside games than on social feeds, subscription OTT or any single entertainment channel. They are focused, interactive, and emotionally attached to the outcome of the session. This level of attention is difficult to achieve anywhere else in the media.

When advertising blends with the experience instead of interrupting it, three things happen:

• gameplay continues without drop off
• players notice the ad without frustration
• revenue scales without damaging retention

Monetization becomes a value exchange rather than a disruption.

In game advertising is not a replacement for traditional formats. It is a more mature evolution of them.

Publishers who treat it as part of the game economy rather than a layer pasted on it will extract the highest revenue with the least friction.

Below is a breakdown of the best in-game advertising companies for developers and publishers.

1. UndrAds

UndrAds is positioned as a full stack in game monetization solution that lets publishers maximize revenue without juggling a dozen SDKs or switching networks every month. Instead of forcing developers to manually test dozens of demand sources, UndrAds supplies strong global coverage and stable CPMs through a single integration. This makes it a reliable base layer for any monetization strategy.

Where many platforms excel only in Tier 1 markets or only in hypercasual categories, UndrAds performs consistently across Tier 1, Tier 2 and Tier 3 traffic. Publishers with mixed geography often struggle to maintain fill when scaling internationally. UndrAds reduces that volatility and keeps revenue predictable even when user acquisition expands into new regions. Teams that scale rewarded, interstitial and Offerwall revenue may also benefit from complementary research.

Related Reading: Top 9 Offerwall Ad Networks

Best for

Global monetization setups that need stability, scaling, and consistent daily earnings.

Where it fits

A central monetization backbone. Not a side network, not a secondary demand source. UndrAds fits best as the primary revenue delivery engine that everything else layers on top of.

Why choose it

• Works across Tier 1 and Tier 3 with minimal drop off
• Rewarded, interstitial and Offerwall support included
• No dependency on a single region or audience type
• High fill rate helps maintain ARPDAU during scale
• Onboarding and integration are faster than most peers

Publishers who want results instead of constant network replacements will find UndrAds easy to maintain and scale.

Ideal for

Mobile titles, idle games, casual and mid core rhythm, utilities, tool apps and hybrid content experiences that need reliable ad performance across several markets. Games that rely on rewarded engagement often see strong uplift because UndrAds handles high intent traffic effectively.

Summary

UndrAds works as a universal first pick for publishers who want strong monetization without operational overhead. It delivers revenue consistently, scales cleanly, and minimizes the need for complex multi network waterfall management.

2. Bidstack

Bidstack is one of the leading providers of intrinsic in game advertising, focusing on placements that feel naturally embedded inside gameplay environments. Instead of showing traditional pop ups or interstitials between sessions, Bidstack renders ads as billboards, arena banners, pitch side placements, street posters, and textured surfaces inside the game world. The experience feels less like advertising and more like game realism.

This immersion based method works especially well for studios that care about visual continuity. Racing titles, sports arenas, open world maps, football fields and simulation games all benefit from brand messages that appear as part of the scenery. Players see the ad without gameplay interruption and advertisers benefit from the attention of a highly engaged audience.

Best for

Realistic environments where the world itself can carry branded content.

Where it fits

A layer focused on immersion led revenue rather than direct engagement metrics. Publishers who want advertising without breaking flow will often use Bidstack as a native placement partner alongside rewarded networks.

Why choose it

• Ads appear inside the world texture, not as UI overlays
• Suitable for PC, console and high fidelity mobile games
• Strong fit for stadium, racing, FPS and simulation titles
• Improves brand sentiment because the ad never forces interaction
• Works well for sponsorship style activations and branding campaigns

When the visual environment is a core part of the experience, Bidstack helps monetize without sacrificing feel or pacing.

Ideal for

AAA or midcore games with 3D assets, scene based camera angles, environmental advertising potential and high session length. Sports franchises, racing games and open world landscapes typically see the strongest performance because the placement space is large and persistent.

Summary

Bidstack brings brand advertising into the play space itself. It removes the tension between monetization and immersion, allowing developers to earn revenue without interrupting the player. Best used in games where the world has room to carry ads naturally.

3. AdMob

AdMob is the most widely used mobile ad network in the industry, powered by Google’s demand pool and global advertiser reach. For developers, it is often the first monetization layer implemented because it is simple to integrate, easy to maintain, and reliable at scale. Even when new publishers do not understand waterfall strategy or optimization flow, AdMob still delivers consistent fill and revenue output.

The real strength of AdMob is coverage. It reaches virtually every region, meaning publishers rarely experience zero fill moments, even in markets where premium advertisers are less active. While AdMob does not always provide the highest CPMs on its own, it provides stability that other networks rely on when scaling. This makes it a foundational component in most monetization stacks.

If you want a deeper understanding of how AdMob fits into the broader monetization stack, UndrAds has a full breakdown useful for beginners and scale teams.

Learn more: What Is Google AdMob?

Best for

Publishers who want guaranteed delivery and a dependable baseline for revenue.

Where it fits

A primary fill layer in early monetization, and a reliable supporting layer in mature stacks. Many studios use AdMob as their safety net, then add higher yield partners above it to increase ARPDAU without risking a fill drop.

Why choose it

• Massive advertiser pool through Google inventory
• Smooth integration for Android and iOS builds
• Reliable fill in both Tier 1 and Tier 3 geographies
• Good default for new publishers still learning optimization
• Supports rewarded, banner, native and interstitial formats

AdMob is not always the highest revenue driver on its own, but it removes volatility, and that matters when daily monetization is tied to growth.

Ideal for

Small to mid scale studios, new releases, utility apps, hybrid casual games and any publisher scaling into multiple regions. Teams without a monetization manager often rely on AdMob as the backbone until they expand their stack.

Summary

AdMob is the safest foundation layer in mobile monetization. It earns consistently, scales globally, and remains useful even when publishers move into multi network setups. Strong alone and even stronger when paired with premium demand partners.

4. AdInMo

AdInMo specializes in non intrusive native in game advertising designed to blend seamlessly into gameplay without pausing or interrupting the player. These ads appear inside the user interface or as natural visual elements inside the environment, similar to how real world advertising exists in stadiums, city streets, shop fronts or signage. The goal is to monetize play sessions without affecting rhythm or breaking immersion.

Since AdInMo does not rely heavily on interstitials or forced attention formats, player sentiment remains positive while monetization continues in the background. This makes AdInMo especially strong for casual games and always on experiences where friction free gameplay matters more than forced views or reward loops.

Best for

Games that require uninterrupted flow and long time on task.

Where it fits

An immersion preserving monetization layer best used alongside rewarded or bidding based partners. While rewarded ads produce bursts of revenue, AdInMo ensures there is always monetization running quietly during play.

Why choose it

• Native placements inside the live gameplay environment
• No session interruption or reward dependency
• Works well for long play sessions and low aggression titles
• Good brand experience without forcing user action
• Helps maintain retention and stickiness across sessions

This approach suits developers who want monetization to feel like part of the art direction rather than a separate UI element.

Ideal for

Endless runners, puzzle loops, exploration style games, building or simulation titles, and any app where gameplay is continuous and naturally paced. These genres benefit most because the player is always active and never forced to stop.

Summary

AdInMo provides a clean way to monetize without slowing or stopping gameplay. It protects retention while still driving revenue, making it a strong pairing with performance or reward focused networks.

5. Unity Ads

Unity Ads is one of the strongest monetization solutions for mobile games that rely on player progression, reward loops and repeat session behavior. Since a significant share of mobile games are built on the Unity engine, integration is often smooth and performance is predictable. The platform is built around rewarded and interstitial formats that encourage voluntary participation and enhance user experience when implemented correctly.

Unity Ads shines in games where players earn coins, energy, premium items or boosters by watching rewarded units. This creates a natural value exchange inside gameplay. Instead of forcing an ad, Unity lets players choose when to engage, and that choice increases retention and revenue at the same time.

Best for

Games with reward systems, resource economies or daily return cycles.

Where it fits

A core rewarded delivery layer for mobile publishers. Many studios rely on Unity Ads to drive high ARPDAU during high intent moments, then complement it with Offerwall or programmatic demand for scale.

Why choose it

• Strong rewarded delivery for mobile game economies
• High global advertiser demand and smooth scaling
• Good synergy with multi session progression games
• Flexible placement for level based or time based triggers
• Stable CPM output across multiple traffic tiers

When the game loop rewards the player for watching ads, Unity can become one of the most profitable placements in the stack.

Ideal for

Idle progression titles, hypercasual releases, mid core mechanics, puzzle games with lives or currency, incremental builders and level based design. Games with mission structures or gacha elements also benefit strongly.

Summary

Unity Ads works best where reward loops are central to gameplay. It is a reliable driver of engagement based revenue and a strong layer to combine with Offerwall and programmatic demand partners.

6. Frameplay

Frameplay is built around intrinsic in game advertising, which means ads appear as objects that feel like they belong inside the environment. Instead of showing a banner or a rewarded video overlay, Frameplay renders ad placements into the world itself. Street billboards, digital posters, wall signs, trackside banners and even urban props can become monetizable surfaces without breaking immersion.

This approach preserves flow better than traditional ad formats. Players continue interacting with the world without interruption and advertisers benefit from long visibility windows instead of a single impression moment. For games with strong world design, Frameplay turns the environment into revenue while keeping the player focused on the experience.

Best for

Games that use large 3D spaces, camera controlled environments or visual storytelling.

Where it fits

A native placement layer for publishers who do not want to disrupt pacing or introduce friction. Many studios use Frameplay to monetize world attention while keeping rewarded ads or interstitials reserved for high intent moments.

Why choose it

• Ad objects sit inside gameplay instead of above it
• Perfect for cinematic and map led titles
• Creates long view time impressions without player frustration
• Works with image based and brand oriented demand
• Immersion first, monetization second which improves session length

For developers who treat visual direction as part of their brand, Frameplay is a way to earn from it without compromising quality.

Ideal for

First person shooters, racing and motorsport titles, open world maps, simulation projects, sports stadiums and large scene based design. Any game with long camera sweeps or wide field views can monetize consistently without altering gameplay input.

Summary

Frameplay converts the environment into monetization without interrupting flow. It is a strong fit for visually rich games that want ads to feel natural inside the world rather than something placed on top of it.

7. Azerion

Azerion is a large-scale advertising and game publishing platform that performs well in casual and mid-core environments. The network offers broad brand demand, solid marketplace depth, and consistent fill rates across European traffic. While some monetization partners specialize heavily in mobile or hypercasual growth, Azerion sits comfortably in the middle with reach, diversity and stable earnings.

The platform is particularly effective for publishers whose audience prefers short session gameplay. Casual players interact frequently in smaller bursts and that creates many impression opportunities. Azerion monetizes this pattern well by providing demand that matches pacing and attention cycles, rather than requiring long engagement windows.

Best for

Casual games where volume and frequency matter more than reward depth.

Where it fits

A steady fill layer for EU focused studios looking for predictable performance. It can sit below performance networks or reward engines and maintain revenue during off peak hours or region specific gaps.

Why choose it

• Strong presence in European gaming markets
• Broad demand from branded and programmatic buyers
• Works well with high frequency impression flow
• Reliable CPM output for casual and mid core formats
• Easy to blend with other monetization stack components

Publishers who see heavy EU traffic often use Azerion as a core layer because consistency is its main value driver.

Ideal for

Match three puzzle formats, word games, relax play loops, cooking simulations, merge mechanics and lightweight mid core experiences. These genres produce steady impression volume and Azerion converts that supply into revenue without aggressive reward structures.

Summary

Azerion is well suited to casual game economics. It delivers stable earnings, strong EU coverage and high impression conversion for publishers with frequent session gameplay.

8. Supersonic Studios

Supersonic Studios is a performance driven monetization and publishing platform known for its strength in hypercasual game economies. Unlike most ad networks that simply deliver demand, Supersonic also offers development, analytics and optimization workflows that help studios refine gameplay, test creatives and scale faster. This dual focus on monetization and acquisition makes it particularly effective for publishers who ship, iterate and scale rapidly.

Supersonic does not rely on deep progression to generate ad value. Instead, it thrives in environments where fast cycles and repeatable feedback loops generate a high volume of impressions. When a player moves through levels quickly, watches rewarded ads to progress or encounters short session breaks, Supersonic converts that velocity into revenue efficiently.

Best for

Hypercasual growth pipelines where speed, testing and iteration determine scale.

Where it fits

A performance layer for publishers who run user acquisition and monetization in parallel. It works well alongside rewarded networks and can fill mid-stack demand while providing optimization data for gameplay improvements.

Why choose it

• Built for rapid iteration and KPI based scaling
• Strong rewarded and interstitial performance in fast loop games
• Includes analytics and creative testing frameworks
• Helps publishers push new builds quickly based on data
• Ideal for teams that move fast and optimize continuously

Supersonic is less of a passive monetization partner and more of a growth engine. It performs best for developers who use feedback cycles to improve LTV rather than relying on static builds.

Ideal for

Hypercasual arcade titles, clickers, level sprint games, tap based puzzles, one-hand play loops and games with short session time. Developers who publish many prototypes or scale one hit aggressively get the most value.

Summary

Supersonic Studios is a powerful choice for publishers who prioritize velocity, experimentation and monetization efficiency. It rewards fast learning, quick updates and KPI focused teams.

9. Liftoff

Liftoff is a programmatic advertising platform built for performance driven in game monetization. Rather than relying on manual ad management or static waterfall positions, Liftoff uses automated bidding to match traffic with high intent campaigns, improve yield and scale revenue without constant hands on optimization. Its strength sits at the intersection of monetization and user acquisition, which makes it a fit for growth focused studios rather than passive monetizers.

Liftoff works particularly well when impressions come from varied geographies. The platform uses bid modelling to adjust prices dynamically, so developers get stronger CPMs in markets where demand is active and steady returns where it is not. This creates a smoother revenue curve for publishers who scale internationally or who acquire users across blended cost tiers.

For publishers wanting to expand beyond a single network, this fits well with an infrastructure approach based on GAM or mediation.

Supplemental Reading: What Is Google Ad Manager? How Does It Work?

Best for

Publishers who want programmatic control and automated revenue optimization.

Where it fits

A mid layer in the monetization stack that balances premium demand and broad fill. Developers often place Liftoff between rewarded networks like Unity and base fill channels like AdMob to create a smoother earning gradient.

Why choose it

• Strong DSP backed bidding and delivery logic
• Good for global scale and multi region campaigns
• Blends UA and monetization for efficiency and data insight
• Helps maintain CPM stability as volume increases
• Less manual tuning required than classic waterfall systems

Liftoff is not only a monetization partner. It is a system that assists decision making and yield progression, which becomes more important as a game matures beyond launch.

Ideal for

Publishers running both monetization and user acquisition, teams optimizing for ROAS or LTV, mid core and reward loop based games, scaling titles with international user bases and apps that need predictable performance returns.

Summary

Liftoff is a strong choice for teams who want performance monetization with less manual tuning. It fits naturally into multi layer stacks where automation, bidding logic and global coverage matter.

10. Overwolf

Overwolf represents a unique category in the in game advertising ecosystem. Unlike traditional mobile networks, Overwolf monetizes PC mod environments and creator built extensions. This includes game overlays, add ons, mod packs and custom content created by community developers for top PC franchises. The platform does not target mainstream mobile gameplay. Instead, it reaches players who spend long hours inside titles like Minecraft, GTA, Skyrim and other mod compatible ecosystems.

This makes Overwolf valuable not just for ad delivery, but for direct creator monetization. When players install mods or use overlays during gameplay, Overwolf can serve ads through those layers without interrupting the core game. Revenue is shared with the mod creator, which encourages development of high quality community addons and strengthens ecosystem retention.

Best for

PC focused audiences with mod support, UGC layers and long session runtime.

Where it fits

A niche but powerful extension to a monetization strategy. Overwolf is not a replacement for mobile revenue channels, but when publishers have a PC presence or a mod community, it opens a new revenue stream that few networks can access.

Why choose it

• Monetizes mod and extension environments directly
• Reaches highly engaged PC gaming audiences
• Supports revenue models for creators and mod developers
• Works during long continuous play sessions
• Creates new supply surfaces outside traditional ad ecosystems

Overwolf is different from everything else in this list. It is not a high frequency rewarded engine and not a pure programmatic deliverer. It is a platform that unlocks PC attention space that most networks cannot touch.

Ideal for

Publishers with mod communities, PC or hybrid titles, studios planning UGC support and developers who want to build revenue streams around player creativity instead of only inside the main app experience. Games with deep progression and sandbox environments benefit most.

Summary

Overwolf monetizes ecosystems beyond the game itself. It is a niche powerhouse for studios with mod compatible titles, offering revenue where traditional SDKs cannot reach.

Which one should you actually use?

There is no single network that works for every game.
In game monetization succeeds when the platform aligns with how players behave inside the product. The wrong partner can increase churn, reduce session depth or flatten ARPDAU even if impressions look healthy. The right partner does the opposite. It supports retention, rewards progression and generates revenue without breaking flow.

When choosing a monetization network, consider the fundamentals of your audience:

• who they are and how they play
• how long they stay in a session
• which regions your player base comes from
• what level of interaction they prefer
• whether rewards improve the experience
• how intrusive monetization can be before it hurts retention

A common mistake is connecting as many networks as possible. More supply does not equal more revenue if the system is not balanced. The real growth comes from pairing the right network with the right game loop. Your monetization stack should feel like a coordinated system rather than a pile of disconnected SDKs.

For a more general overview of monetization partners outside purely in-game placements, you can explore a full breakdown covering network strengths, revenue types and ideal use cases.

Recommended reference: Best 9 App Monetization Platforms for Publishers

A reliable starting framework

Below is a simple but effective blueprint for building a healthy in game monetization setup. It identifies what role each platform plays instead of treating all networks as interchangeable.

If you are evaluating networks based on ad type compatibility and contextual intelligence, this companion article will help you structure your stack more intentionally.

Read next: Top Contextual Ad Networks for Publishers in 2025

This structure gives you flexibility without complexity. You begin with one strong foundation. You add a second layer if your game uses rewards. You expand to immersive formats if the environment can carry them. You scale programmatically if traffic reaches multiple regions. You introduce PC inventory only if your game has a mod community or desktop presence.

In other words, your monetization stack should follow your game, not the other way around.

The smartest publishers do not chase volume. They build stacks that match gameplay, player psychology and revenue potential. If a network fits the experience, it earns. If it breaks immersion, it costs much more than it pays.

Final Takeaway

In game advertising is no longer a small add on. It is not something that sits quietly next to gameplay or fills a gap when other revenue sources slow down. It is now one of the core engines that power the economics of free to play games. Publishers who understand this do not treat monetization like an afterthought. They design it as part of the experience.

The studios who win moving forward will be the ones who:

• design monetization to enhance gameplay rather than disrupt it
• place ads where players naturally expect to see them
• test multiple formats instead of relying on a single channel
• measure success using ARPDAU, LTV and engagement depth rather than raw impressions
  

Strong monetization is a system. It is not a plugin, and not something you set once and forget. It grows as the game grows. It improves as player behavior evolves. It compounds when strategy and placement work together. 

Studios that scale fastest today are the ones that rethink monetization loops with data, not habit.

This direction aligns with findings shared in UndrAds’ industry study,

Recommended reference: How Gaming Studios Are Rewriting the Monetization Playbook

The most sustainable path looks like this:

Start with one strong monetization foundation.
Add partners slowly and intentionally based on need.
Scale through data driven decisions instead of assumptions.

In game monetization is healthiest when it is structured, optimized and maintained like a living framework. The more fluid and well designed that system becomes, the more predictable and repeatable your revenue curve will be.

The difference between average earnings and real scale is not volume of traffic. It is the quality of the monetization engine behind it.