HDR Efex Pro
Silver Efex Pro
Pretty much any Nik software
Winamp
Lightroom 3 (I mentioned I loved 2 a while back, 3 is even better)
GOM Player
Warcraft: Humans and Orcs.
Warcraft 2: Tides of Darkness
Warcraft 2: Beyond the Dark portal
Warcraft 3: Reign of Chaos
Warcraft 3: The frozen throne.
World of warcraft.
World of Warcraft the Burning Crusade.
World of Warcraft Wrath of the Lich King.
and World of Warcraft Cataclysm

Oh, don't forget Terraria!