Game overview
Aperture Tag: The Paint Gun Testing Initiative
Aperture Tag: The Paint Gun Testing Initiative is a Portal 2 Mod. It's time to think with Gels! The Portal-Gun is gone, but the testing must go on! Grab the Paint-Gun Device and solve brand new test chambers in ways you've never solved them before!
- Last tracked players
- 3
- All-time peak
- 14
- 24-hour change
- Unavailable
- Steam reviews
- 77.1% positive 3,400 reviews · via SteamSpy
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description
Aperture Tag: The Paint Gun Testing Initiative is a community-made mod for Portal 2, inspired by TAG! The Power of Paint. The familiar Portal 2 gels are now contained within the Aperture Science Paint Gun Device and it's your job to test it out!
Featuring a new personality-core and an original story with 27 polished levels; the mod offers an exciting and fun experience in varied and interesting new locations throughout Aperture Science.
Introducing gels as the core gameplay mechanic completely changes the way you solve puzzles, explore, and survive all the challenges thrown at you!
Featuring a new personality-core and an original story with 27 polished levels; the mod offers an exciting and fun experience in varied and interesting new locations throughout Aperture Science.
Introducing gels as the core gameplay mechanic completely changes the way you solve puzzles, explore, and survive all the challenges thrown at you!
Key Features
- New Gameplay Mechanics for Portal 2
- 27 Original Maps and a Full Campaign
- A New Character with Original Voice-Acting
- In-Game Level Editor
- Access to the Source Files used to create the Aperture Tag
- Single-Player and Co-op Workshop Integration with Source Instances to create your own Paint Gun Maps
- Steam Trading Cards
- Full Developer Commentary
- Completely original Soundtrack by Abarax, Harry101UK, and Christopher McEvoy
Media gallery 7 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
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Latest news
All news on Steam ↗System requirements Windows · macOS
Windows
Minimum
Minimum:- OS *: Windows 7 / Vista / XP
- Processor: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
- Memory: 1GB XP / 2 Vista GB RAM
- Graphics: Video card must be 128 MB or more and should be a DirectX 9-compatible with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
- Storage: 4 GB available space
- Additional Notes: Requires a Steam version of Portal 2 Installed
macOS
Minimum
Minimum:- OS: MAC OS X 10.6.7 or higher
- Processor: Intel Core Duo Processor (2GHz or better)
- Memory: 2 GB RAM
- Graphics: ATI Radeon 2400 or higher / NVIDIA 8600M or higher / Intel HD Graphics 3000
- Storage: 4 GB available space
- Additional Notes: Requires a Steam version of Portal 2 Installed
Game details Languages, features & support
- Publisher
- Odd Time Studios, Aperture Tag Team, Rockhopper Studios
- Brazilian rating
- 14
- Steam Germany rating
- 12
- Features
- Single-player, Multi-player, Co-op, Steam Trading Cards, Captions available, Steam Workshop, Partial Controller Support, Steam Cloud, Includes level editor, Includes Source SDK, Commentary available, Family Sharing
- Languages
- English*, Spanish - Spain, Hungarian, Portuguese - Portugal, French, Italian, German, Czech, Danish, Dutch, Polish, Portuguese - Brazil, Romanian, Russian, Simplified Chinese, Turkish, Bulgarian, Finnish, Japanese, Korean, Norwegian, Swedish, Thai, Traditional Chinese
*languages with full audio support - Website
- Official website ↗
- Support
- [email protected]
Compatibility & accessibility Steam Deck, controllers & access features
Can I Play This?
Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
playable
Valve compatibility test
Input
Controller support: unknown
Structured language support (24)
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Spanish - Spain | Yes | No | Yes |
| Hungarian | Yes | No | Yes |
| Portuguese - Portugal | Yes | No | Yes |
| French | Yes | No | Yes |
| Italian | Yes | No | Yes |
| German | Yes | No | Yes |
| Czech | Yes | No | No |
| Danish | Yes | No | No |
| Dutch | Yes | No | Yes |
| Polish | Yes | No | Yes |
| Portuguese - Brazil | Yes | No | No |
| Romanian | Yes | No | Yes |
| Russian | Yes | No | Yes |
| Simplified Chinese | Yes | No | Yes |
| Turkish | Yes | No | Yes |
| Bulgarian | Yes | No | No |
| Finnish | Yes | No | No |
| Japanese | Yes | No | No |
| Korean | Yes | No | No |
| Norwegian | Yes | No | No |
| Swedish | Yes | No | No |
| Thai | Yes | No | No |
| Traditional Chinese | Yes | No | No |
Third-party requirements shown by Steam
Requires agreement to a 3rd-party EULA Aperture Tag: The Paint Gun Testing Initiative EULA
Steam store page
fresh · checked 2026-11-03
PCGamingWiki technical notes
External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools
Game Insights
Buy Verdict
Wait — $4.99.
Wait for upcoming sale in ~13 days for potentially better pricing.
▬
~13 days until next sale
Value Score
Fair Value — 69th percentile.
Price-to-player ratio ranks in the 69th percentile. Priced as Market at $4.99.
▬
Market pricing tier
Genre Benchmarks
Player Count
Top 57%
Value Ratio
Top 31%
Activity Heatmap
UTC+0 (Your Timezone)
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Peak Activity
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Avg Activity
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Active Hours
11%
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Developer Analytics
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Frequently Asked Questions
Is Aperture Tag: The Paint Gun Testing Initiative worth buying right now?
Wait — $4.99. Wait for upcoming sale in ~13 days for potentially better pricing.
When does Aperture Tag: The Paint Gun Testing Initiative go on sale?
Wait for upcoming sale in ~13 days for potentially better pricing.
Is Aperture Tag: The Paint Gun Testing Initiative free to play?
Aperture Tag: The Paint Gun Testing Initiative costs $4.99 on Steam.
What genre is Aperture Tag: The Paint Gun Testing Initiative?
Aperture Tag: The Paint Gun Testing Initiative is a Action, Adventure, Casual, Indie game.
Who developed Aperture Tag: The Paint Gun Testing Initiative?
Aperture Tag: The Paint Gun Testing Initiative was developed by Odd Time Studios and published by Odd Time Studios.
What platforms does Aperture Tag: The Paint Gun Testing Initiative support?
Available on Steam for Windows, macOS, Linux.
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