Half Life 3 Hint?. New Scattergun in Tf2 update, has a 3 painted on it... They've said they were working on Half life 3 in like 2011. It's been "confirmed" for ages now. Half Life 3 Hint? New Scattergun in Tf2 update has a painted on it They've said they were working life like 2011 It's been "confirmed" for ages now