"- Half-Life 2 for the xbox . Not every one does have a pc ! - Halo 2 Compain ( Xbox ) . This is the best single player i've seen in a long time . - Resident Evil 4 for the PS2. Great game , must have played it . - Unreal Tournament 1 for PC. This game does have more user created multiplayer maps than any other ." you know thats only 4 right? :) everyone should play these. because for 2 of them i never see anyone online anymore :( Half Life (original) Counter Strike UT2004 Far Cry Opposing Force