You know, I kind of forgot that Half-Life 3 (or Episode 3, for that matter) was one of gaming’s longest-standing memes. There was a time when Valve CEO Gabe Newell couldn’t so much as cough without people believing it was a reference to Gordon Freeman’s newest adventures. However, that old flame has once again reignited, as Valve is reportedly bringing people in to playtest an early build of Half-Life 3.