Continuity mistake: When Van Patten is talking to Admiral Porter about the light cannons not being tested, she's holding her clipboard up and a pen is between her fingers. When the scene changes angles the pen is now attached to the clipboard and there's an extra piece of paper in front, then when Admiral Porter turns and walks away, the pen and paper are gone again.
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.
Continuity mistake: While the Indian guy is taking a shot of the pixel attacking the Taj Mahal, his cell phone switches hands between shots.
Continuity mistake: When Sam kisses Violet at the end of the film, the sun changes between shots.