Singularity

On a clandestine mission deep into Russian territory, an American black ops team crash lands on Katorga 12 - an island research base that was mysteriously abandoned in the 1950's. Cut off from any help and under attack by an army of nightmarish creatures, Captain Nathaniel Renko is force to battle his way through hostile territory armed with the TMD (Time Manipulation Device) - a time altering weapon created over 50 years ago. Who created the TMD and why is just one of the many Cold War secrets Renko must uncover as he is thrown back and forth across time, making choices that will alter the course of world history.