...or been given me but I have not played/finished playing (some are sorted into categories and they are listed in order of appearance in my library):

Adventure Ben There, Dan That! ; Broken Sward (1, 2, and 3) ; The Dig ; Indiana Jones (Last Crusade and Atlantis) ; Jolly Rover ; Lume ; Manhole ; Spelunx ; Time Gentlemen Please

First person and shooter Ailien Breed (1, 2, and 3) ; The Ball ; Borderlands ; Bunch Of Heros ; Dead Space ; Penumbra Overture ; Star Wars Dark Forces

Gimmick Aa Aa AA ; Bit Trip Runner (I have Beat as well, but have gotten through most of that one) ; Fate Of The World ; Rock Of Ages ; Terraria

MMO Rusty Hearts ; Spiral Kights ; Platformer And Yet It Moves ; Aquaria ; Cave Story+ ; Super Meat Boy

Puzzle Big Brain Wolf ; Bob Came In Pieces ; Braid ; Chaos Theory ; Doc Clock ; Edge ; Puzzle Agent 2 ; Puzzle Dimension ; Puzzler World (1&2) ; Space Chem ; Toki Tori

RPG The Binding Of Isaac (have not beaten it even once yet) ; Chantelise ; Dungeons Of Dreadmor (have not gotten that far/played that much) ; Freedom Force (original and Vs The 3rd Weich) ; The Last Remnant ; Star Wars KOTOR

Strategy Anomaly Warzone Earth ; Might and Magic (Dark Messiah and V) ; King's Bounty ; Orcs Must Die ; Swards And Soldiers

Unsortedmostly because I have not played them yet Atom Zombie Smasher ; Avadon The Black Fortress ; Bastion ; Blocks That Matter ; Cosmic Osmo ; Darwinia ; Demolition Inc ; Dungeon Defenders ; Everyday Shooter ; Frozen Synapse ; Inside A Star Filled Sky ; Limbo ; Lugaro HD ; Magica ; Multiwinia ; Rochard ; Runespell Overture ; Sanctom ; Sequence ; Sideway ; Space Pirates And Zombies ; Tobes Vertical Adventure ; Torchlight ; Uplink ; Waves ; Xotic ; Zombie Driver

Thank you so much Steam Holiday sales. And me getting a job that has me working most days.