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84% positive of 1,007 · Very Positive · Live from Steam
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Terrorhedron is the 3D, cooperative tower defense game for the PC. Unmatched challenge and complexity is introduced to the genre through 3 dimensional gameplay, micro-strategy through programmable turrets and 'edge of seat' gameplay is extended to multiplayer with up to 8 players online co-op.
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What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 84% on 2026-11-01 → 84% today (1,007 reviews)
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Works, but may need extra effort. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
The latest update to Terrorhedron fixes some bugs kindly reported on the forums. Previous updates include adding support for Windows XP. Thanks to all who supported the game thus far, and if you are a Mac or Linux user, get onto the forums and have your voice …
Hi everyone! We just added trading cards to Terrorhedron! Please enjoy, and let me know what you think. Cheers, Dan
Hi everyone! We just added trading cards to Terrorhedron! Please enjoy, and let me know what you think. Cheers, Dan
Hi all, We just added Steam lobby support, meaning when a friend is in the lobby stage of a game, you can connect by using the "join game" option on the Steam friends interface. Things to note: You can only join games when they are in the lobby stage! Once a g…
Hi all, We just added Steam lobby support, meaning when a friend is in the lobby stage of a game, you can connect by using the "join game" option on the Steam friends interface. Things to note: You can only join games when they are in the lobby stage! Once a g…
The latest update to Terrorhedron fixes some bugs kindly reported on the forums. Previous updates include adding support for Windows XP. Thanks to all who supported the game thus far, and if you are a Mac or Linux user, get onto the forums and have your voice …