Other mistake: When Malus is talking to the female cop about the station wagon crash, he asks her who the woman and child were, even after she has told him that there are no bodies to identify, and no car registration.
Other mistake: Why are the guards carrying that useless glass armor? Glass is very heavy, so it is not comfortable; the armor isn't shock proof, because it breaks even if they just fall down; and it isn't bullet proof, because the guy with the AR-15 shoots right through it.
Other mistake: In the standoff in the bar, Robert Patrick fires about 22 rounds from his handgun, then runs outside without reloading and fires even more into the propane tank under the bar. No way his gun holds that many bullets.
Other mistake: The girls are invited to the cool party where the cool kids go. They are discussing it in the hallway, pitching a non-existent boat party. Throughout the scene, extras just keep walking back and forth to make the space look like a busy school. A guy with a loud green Hawaiian shirt carrying a clipboard is particularly noticeable. (00:02:30)
Other mistake: Why is it that, at the wild party, the guys at the barn are shocked to find out how long Simon's "unit" is? Didn't they see it when he showed up to the fancy ball with only a black tie on?
Other mistake: When Mike stops time to hit his boss, he starts getting off the desk. There's a bottle of water on the desk, however, the water is moving around from Mike moving on the desk. How can the water move if time is frozen/paused?
Other mistake: When the glass in the Range Rover gets broken, the front window and passenger window shatters as normal automotive safety glass should. However, the driver's side glass gets broken into large jagged shards, instead of smaller pieces as would happen with any kind of auto safety glass, whether tempered, coated, or laminated.
Other mistake: In the first microwave scene, Roddy press the random buttons (4,6,5,3,2) but the microwave only shows 3 seconds, and the popcorn already popped within those 3 seconds. (00:02:55)
Other mistake: After the piano is delivered to the Girl's house, we see her mom cooking. There's obviously nothing in the pan despite her vigorous stirring. (01:19:35)
Other mistake: When Ricardo is translating the email while on the ship, he chooses the origin language as English and the destination language as Spanish. But when he presses translate, it translates from Spanish to English. (01:20:20)
Other mistake: Just after Paula shoots the last of the Devil Babies, as he turns and says "Aw man", his back is devoid of paint from the fatal volley.
Other mistake: Wrangler is talking with four of his fans, and one of them puts their ticket on the ground for Wrangler to drive over it and leave a tyre mark on it. The tyre mark left on the ticket does not match the angle at which Wrangler drove over it. (00:08:10)
Other mistake: During the car chase in the tunnel you can see the driver wearing a helmet in 2 shots.