Lambda Fortress
| App ID | 3564500 |
| App Type | Game |
| Developer | CoaXioN |
| Publisher | CoaXioN |
| Supported Systems | Windows Linux |
| Technologies | Source Engine |
| Last Changenumber | 30889918 |
| Last Record Update | 1 September 2025 – 19:28:43 UTC ( |
| Release Date | Coming soon |
| Parent App | Team Fortress 2 (440) |
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Lambda Fortress is the iconic mod that brings the Team Fortress 2 mercenaries into Half-Life 2 and other Source campaigns for singleplayer & co-op play. Now on Steam!
Play on Steam
Additional Information
This game is excluded from Steam Family Sharing because: Free Game
| Developer | CoaXioN | |||||||||||||||||||
| gamedir | lf | |||||||||||||||||||
| controller_support | partial | |||||||||||||||||||
| serverbrowsername | Lambda Fortress | |||||||||||||||||||
| MustOwnAppToPurchase | Half-Life 2 (220) | |||||||||||||||||||
| ReleaseState | prerelease | |||||||||||||||||||
| Publisher | CoaXioN | |||||||||||||||||||
| IsFreeApp | Yes | |||||||||||||||||||
| Exclude from family sharing (exfgls) | 3 (Free Game) | |||||||||||||||||||
| Store Release Date | Coming soon | |||||||||||||||||||
| osarch | 64 | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Social Media | https://bsky.app/profile/coaxion.games https://discord.gg/dSfXTNEGP7 https://www.youtube.com/@coaxiongames/ |
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| Primary Genre | Free to Play (37) | |||||||||||||||||||
| Store Genres | Action (1), Free to Play (37) | |||||||||||||||||||
| Store Asset Modification Time | 12 June 2025 – 17:23:17 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| Is free on the store? | Yes | |||||||||||||||||||
| Detected Technologies (?) | Source Engine, Autodesk_FBX SDK, SDL SDK | |||||||||||||||||||
| Content Descriptors | Frequent Violence or Gore (2), General Mature Content (5) | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| Anti-Cheat Software | VAC (Valve Anti-Cheat) | |||||||||||||||||||
| First seen on SteamDB | 28 February 2025 – 04:25:27 UTC ( |
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| Content Descriptors (Including DLC) | Frequent Violence or Gore (2), General Mature Content (5) | |||||||||||||||||||
Supported Languages
| 6 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Russian | Yes | ||
| Simplified Chinese | Yes | ||
| Bosnian | Yes | ||
| Croatian | Yes | ||
| Serbian | Yes |
