Tower Defense

Terrorhedron is a unique tower defense game for the PC. Unmatched challenge and complexity is introduced to the genre through fully 3D tracks, micro strategy through programmable turrets and 'edge of seat' gameplay is extended to multiplayer with up to 8 players online co-op.

Fully 3D

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.


Terrorhedron was developed by Dan Walters, with huge creative input from James Howard, and help from countless others.

  • Creator: Dan Walters
  • Designer: James Howard
  • Music: William Rickman

Fact Sheet

Terrorhedron was created in 10 weeks, and maintained over 3 years.

  • Platforms: Steam (Windows)
  • Release Date: 18 December 2011
  • Singleplayer: Yes
  • Multiplayer: Coop, upto 8 players