Jody Macgregor: Wing Commander: Privateer
The song, A Late Goodbye, is a break from the rest of the soundtrack (which is excellent, by the way) and really draws a line under Remedy's cinematic ambitions: Like Evan said about Mass Effect's credits track, it's the kind of closer you'd expect to hear at the end of a movie, which is what makes it such a perfect way to wrap up the game. She was dead, but it was alright'-and then slowly turns over into the pensive guitar-and-drums styling of Sam Lake's favourite garage band, Poets of the Fall. The game ends on a somber yet hopeful note-'I had a dream of my wife. Good credit rolls are all about the music, and Max Payne 2's closing track is one of the best. Look at the Youtube comments on any of them and you'll see more than a few comments about crying during the end credits. But Transistor's Paper Boats and Pyre's Bound Together are also wonderful. Bastion's finale is the one I remember best because I've listened to the soundtrack a hundred times, and it really is hard to top Setting Sail, Coming Home.
Basically, music is the reason to stick around through the credits for me, and every single one of Supergiant's games ends with a powerful emotional punch and a fantastic song.