This story is first of dilogy "Tales From Crystal's Pony Tail". Crossover between next universes: Team Fortress 2 Counter-Strike Quake 3 Arena Hitman Series Unreal Tournament Battlefield 1942 Halo Combat Evolved Cyborg Justice Sid Meier's Civilization 2 The Sims 2 Second part and ending of dilogy is "Robot Unicorn Attack".