What are some good games to buy for your PC

Suggestions of games to buy for your PC:
Minecraft
Team Fortress 2 Steam Free
Far Cry 3 Steam
The Elder Scrolls: Skyrim Steam
Counter-Strike Steam
Terraria Steam
The Binding of Isaac Steam
Don't Starve Steam
Dota 2 Steam Free
League of Legends (LOL) Free
Garry's Mod Steam
No More Room In Hell Steam Free
Realm Of the Mad God Steam
Receiver Steam
RIFT Steam Free on Steam
Saints Row 4 Steam
Tekkit
The Sims Series
Half Life
Deus Ex
Mass Effect
Surgeon Simulator
Little Inferno
Bioshock
Supreme Commander
Fallout 3
Age of Empires (AoE)
Unreal Tournament
Hitman
Planescape
Sid Meiers Civilisation
Left 4 Dead
Arma
Company of Heroes
Starcraft
Portal
Rome: Total War
World of Warcraft (WoW)