Singularity

Singularity is a first-person shooter developed by the legendary Raven Software and utilizing the power and flexibility of the Unreal 3 game engine. Set in an alternate present of 2010, players take on the role of a US Air Force pilot who while investigating an extreme radiation signature, stumbles upon a top secret Cold War era Soviet program, run amok which not only causes monstrous mutations, but also threatens to alter nature of time itself.   Fight your way through an ever-shifting environment haunted with time ravaged creatures, while sudden time wave hurl you back and forth between 1950 and the present day. Use your wits and the perfect weapon - the Time Manipulation Device - to unravel the conspiracy on the remote island of Katorga-12.