Half Life 3. The word “gaben” comes from Gabe Newell’s email address, gaben@valvesoftware.com. A ENDS SOON: khan Passes are en sale for the holidays! _ Thread P Half Life 3 The word “gaben” comes from Gabe Newell’s email address gaben@valvesoftware com A ENDS SOON: khan Passes are en sale for the holidays! _ Thread P