i cant tell if the discussion are jokes or serious and i mean the ones where HL stole from gmod its prob a joke but to the people who most likely think this is true because lets be honest some of us are dumb
Half Life 2: Nov 16, 2004
Garry's mod:Nov 29, 2006
Also WHO THE ♥♥♥♥ SWAPPED THE DATES ON WIKIPEDIA on wiki it says HL2 released May 26, 2010 meanwhile it says Gmod released on Dec 24, 2004 if this is a joke this is too far