Singularity is a mixture of puzzle solving games like half-life and bioshock and classic fps to that uses a lot of things we've seen in games like half-life but uses them perfectly to create a fun game that keeps you on your toes throughout with a suspense-filled story and brilliant gameplay and lots of little extras for the gamer who simply has to explore everything. The “TMD” allows for the control over pieces of the environment and time itself allowing you to pull off spectacular kills on the game's various enemies. The guns themselves are fun and interesting with classic assault rifles and shotguns alongside a gun that fires remote controlled grenades you can roll right up to your enemies to get the jump on them and it even includes a time slowing sniper rifle for perfect headshots. I would say you would play through Singularity multiple times, just to fully understand the story and to see the different endings or to simply just play the game with different upgrades. A definite purchase for any gamer who likes fps games with a twist.