Replayable co-op action roguelike with wild team build synergies
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. Defend wave after wave of colorful Terrorhedron spheres within attractive abstract grid landscapes. Unlock new infrastructure, turrets, upgrades and tracks in your quest to achieve all the stars. Terrorhedron offers a fresh look, feel and an entirely new depth of experience to a popular genre.



Jump straight into a run together with zero progression mismatch.
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. Defend wave after wave of colorful Terrorhedron spheres within attractive abstract grid landscapes. Unlock new infrastructure, turrets, upgrades and tracks in your quest to achieve all the stars. Terrorhedron offers a fresh look, feel and an entirely new depth of experience to a popular genre.
Selected for the Logpier co-op catalog with a 84% positive rating across 1,007 Steam reviews (Verified Co-op Pick). Built for 1–8 Players via Online Co-op (All Players Must Own).
Structured around ~1–2 hrs (Mission / Run-Based) sessions with easy to join at the start of each 40-min run, making it an easy shortlist contender for game night.
Note: This guide is an AI-assisted curation summary synthesized from public Steam store metadata and user review signals. First-hand squad play notes submitted by community reviewers appear separately below.
Everyone starts each run on equal footing with explosive co-op builds.