Goofs

The wristwatch counter shows 6 hours 59 minutes. Then he is told he has seven and a half hours left.

When Snake approaches the Happy Kingdom amusement park on the hang glider (with the others) the sun is just coming up. Half an hour later (in the story), when Snake makes it off LA, it is dead of night.

The size of the dot that Map of the Stars Eddie paints on the disk changes.

In the final fight scene between Snake and Cuervo, Cuervo's knife disappears occasionally from the ground.

Taslima's breast tattoo disappears and then reappears.

No matter what the technology, an electromagnetic pulse will not damage a battery, as is claimed in the film.

When the "contestant" before Plissken fails to score and is shot, the locations of the shooters and the direction of their shots guarantee that several of the shooters would end up shooting each other, and they didn't.

A gun cannot simply be converted to fire blanks by swapping out a magazine of live rounds with one loaded with blanks; the gun will not cycle. It would require a military blank adapter (which would be very noticeable to Snake) or extensive modifications to the internal mechanisms that would make firing live rounds destroy the gun. Also, firing blanks from an unplugged barrel at such close range is still dangerous, and would cause serious harm or even death to his intended victims.

At about 1:02:20 into the movie, Snake is seen creating a diversion by stuffing a piece of news paper in the fuel filler in the right quarter panel on an early 80's Buick Riviera, and then lighting the paper on fire. Those model Riviera's had the fuel filler behind the rear license plate that flipped down like many GM cars of this era, not in the quarter panel. This was clearly fabricated for this scene.

After Snake tries to shoot Malloy and Brazen before heading to LA, he is told his first 'clip' is loaded with blanks. His rifle does not use clips, it uses magazines.

The President's daughter's plane is referred to as "Air Force Three." The actual call sign for an aircraft carrying the First Family (without the President) is "Executive One Foxtrot." However, this movie takes place in a world where Presidential rules have changed considerably, so this is just one more acceptable alteration.

In several scenes the face of the stuntman is visible and clearly different from Kurt Russell. When he climbs up a ledge of a building after the rest of the structure crashed down. And when he rides a motorcycle on the back wheel.

When on the treadmill, he can simply put his feet on the sides and not have to walk at all.

When Snake is making his escape from Anaheim in the chopper, you can see the shadow of the wing-rotor blades under the body of the helicopter from a light source below it.

When Snake is held captive by the Surgeon of Beverly Hills and Taslina is explaining what their captors are, there is an extra with an extremely slack jaw. You can see the actors real lower teeth and lips through the prosthetic mouth.

Obvious stunt double for Russell during surfing scene.

In the beginning, Snake is wearing the same jacket he wore in the beginning of the previous film. However, he lost that jacket when he landed on top of The World Trade Center.

When Brazin showed the hologram of Utopia hijacking the plane; Brazin said 1140 hundred hours (military time for 11:40 am), when you look out the windows, it is night time.

When Snake calls in about a 3rd of a way through the film, Malloy asks "have you got the block box" (instead of black box).