AntiChamber has some pretty fantastic ambient sound. I'm not sure you'd call it a soundtrack though!
Does Minecraft still count as indie? If so, the various snippets from that. Stupidly simple, but really build the rather barren atmosphere of the game (I play single-player survival).
Also, the Sanctum games have some quite punchy music that fits the game brilliantly:
Seconding what someone said about FTL as well.
Does Minecraft still count as indie? If so, the various snippets from that. Stupidly simple, but really build the rather barren atmosphere of the game (I play single-player survival).
Also, the Sanctum games have some quite punchy music that fits the game brilliantly:
Seconding what someone said about FTL as well.