Off Topic > Games
Games you bought but never played after a few times.
Artificial Blocko:
Deus Ex: Human Revolution
Linkusofepica:
Blocks that Matter
Gish
Back to The Future by Telltale
DiRT 3
Gratuitous Space Battles
Cubemen
Loadout (ok I got in the free beta so I didn't buy it, but I only played it once or twice)
Kingdaro:
Terraria, CSS, Garry's Mod, Ace of Spades, Audiosurf, Antichamber, Portal 1/2, Q.U.B.E., and Symphony.
EDIT: That, basically.
VV
Dodger:
90% of my whole steam library
Stick Man:
Little Inferno
Line Rider 2:Unbound
Minecraft
Amnesia: The Dark Descent