Americas Army [started '04]
Age of Empires [started '97] [ended ?]
Age of Empires: Rise of Rome [added '98] [ended ?]
Half Life: Team Fortress Classic [started '00?] [ended ?]
Half Life: Counter Strike[started '03] [ended '04?]
Half-Life: Counter Strike Source [staging: '04-'05]
Infantry [started '00] [ended '01] - Confirmed with Blaster
Jedi Knights [started '98?] [ended '99?]
Knights Online [started '05] [ended '05]
Outwars [started '98] [ended '03]
Quake III: Arena [started '01?] [ended 01?]
Rainbow Six [started '99] [ended '00]
RtCW [started '01] [ended '03?]
Runescape [started '04] [ended '05]
Starcraft [started '98]
Tribes [started '01?] [ended '01?]
Unreal Tournament [started '02] [ended '02]
World of Warcraft [started '05]