Orcs Must Die! UnchainedOrcs Must Die! Unchained is a fast-paced Fortress Siege action game in which teams of heroes battle head-to-head to attack and defend ancient strongholds. For the first time in Orcs Must Die!, teams of players are responsible for both sides of the battle — building traps to stop the enemy assault AND summoning their own armies to lead against the enemy defense.


  • Created a custom visibility determination method, decreasing the time it took to determine network relevancy by 99%
  • Optimized the existing octree based collision detection method, reducing it’s CPU use by 90%
  • Wrote a custom game entity movement method, optimized for server performance
  • Worked closely with the animators and technical artist to implement an animation system
  • Developed various game play solutions for weapons systems, animation, and physics

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