Silent Shock 2
I started the year off with Thief, which I realised dishonoured was heavily influenced by. I finish the year with System Shock 2, which I realised Bioshock was heavily influenced by. Most people know the gist of it so I won't go into the story and gameplay too much, but like thief it hasn't aged too badly and is still perfectly playable (Only encountered 1 bug, a graphical glitch) and enjoyable. If you liked Bioshock, it is basically the same game, by which I mean minus the story and characters, it's 90% similar. I do have a few irks, a lack of subtitles, which most games of this age suffer from, and unlike the enemies that roam the ship, you aren't told the strategy to defeat the 2nd to last boss in an audiolog (Unless I missed it) which left me running around killing endlessly respawning enemies. It also suffers the flaw most survival horrors have in that, if you master melee and spec into it, the game becomes incredibly easy. However those negatives don't even put a dent into how I felt about the game, it was amazing and I'd heartily recommend it to anyone.