Halo 4: Forward Unto Dawn.

[rhinochopig]

OK not a game, but a film that goes alongside the game. Mods, you decide: Games forum or Film and TV (or repost - I did check)

Currently up to episode 3 and although slow starting, it gets really good.

Episode 1 http://www.youtube.com/watch?v=BfJVgXBfSH8

Episode 2 http://www.youtube.com/watch?v=K56gSEJ6IGc

Episode 3 http://www.youtube.com/watch?v=WbBYG77VeCE