The elite troops aboard the jump-ship bleed yellow, yet the ones Trisha kills have red blood.
Spelling and grammar mistakes in subtitles.
The revolver can hold 8 rounds despite having only 6 chambers.
Enemies can somehow dodge sniper bullets.
The grindwheel should not be able to stay upright; an object of that shape should topple over quite quickly.
Ropes cannot be slid down as depicted due to friction.
Bio-hazard signs are present in radioactive areas.
The DNA bomb was said to be set to wipe all life in the city, leaving it fit to be repopulated. Instead it apparently wiped out all life on the planet.
Ishi tells everyone to hold their breath in a radioactive stream. Holding one's breath is ineffective against radiation exposure.