Continuity mistake: When playing Donkey Kong in the competition, Cooper finishes Level 22 by jumping over the last piece holding the Ape up and then it says "GAME OVER," when he should go to the next level.
Factual error: When Sam and Will walk into the venue hosting the 1982 Worldwide Vieo Arcade Championship you can see some kids playing on a Zaxxon machine. Zaxxon was released in December, 1982.