20 years later, Left 4 Dead 2 lead admits Valve's team leaked their own trailer because the ESRB blocked them from officially releasing it: "We can't get in trouble for that now"
Valve veteran Chet Faliszek admitted that the development team for Left 4 Dead 2 intentionally leaked the game's trailer because the ESRB had blocked its official release due to graphic content. This tactic allowed the trailer to be seen, though it led to some language being toned down in the final game.
Retro Gamer
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