i have a hard time deciding between games unless i'm itching to play one or the other, currently i could go either way. Here is a list (in order of how they appear in my games folder) of all the games i have on my rig right now, which would you play?

half-life 2, HL2:ep1, HL2:ep2
portal
team fortress
source forts
lost planet: extreme condition
Ghost Recon: Advanced Warfighter
World of Warcraft
Dark Messiah of Might and Magic
Stubbs the Zombie
Nexuiz
Battlefield 2