| The NES cartridge was made under license from Bally Midway; its booklet bills it as Data East bringing arcade realism home. | printed p. 1 (PDF p. 2)printed p. 2 (PDF p. 3) | Manual |
| The NES booklet has the player become George the Ape or Lizzie the Lizard and trash buildings, smash helicopters, and crunch bridges across 128 cities. | printed p. 2 (PDF p. 3)printed p. 6 (PDF p. 7), Map Screen | Manual |
| On the NES, George is the best climber and Lizzie the fastest. A second player can join a game in progress by pressing B on the second controller and takes the monster the first player didn't choose. | printed p. 3 (PDF p. 4), Our Main Charactersprinted p. 3 (PDF p. 4), Our Main Charactersprinted p. 3 (PDF p. 4), Second Player Joining | Manual |
| On the NES, Start pauses, A punches, and B jumps. | printed p. 4 (PDF p. 5) | Manual |
| When a monster's life runs out on the NES it turns back into a human. Pressing B before the human leaves the screen continues with the score kept; pressing it within 5 seconds after continues with the score reset to zero. | printed p. 5 (PDF p. 6), Game Over and Continue Modeprinted p. 5 (PDF p. 6), Game Over and Continue Modeprinted p. 5 (PDF p. 6), Game Over and Continue Mode | Manual |
| Every 7 days the NES game has a Search Bonus Stage: a single building hides a mega-vitamin that restores the monster to full health. | printed p. 5 (PDF p. 6), Bonus Stage | Manual |
| The NES booklet sorts the enemies into soldiers and vehicles: soldiers with bombs, grenades, guns, or parachutes, who can be eaten for power, and helicopters, tanks, and police cars, which shoot. Lightning from passing thunderclouds also strikes. | printed p. 6 (PDF p. 7), The Bad Guysprinted p. 6 (PDF p. 7), The Bad Guysprinted p. 6 (PDF p. 7), The Bad Guysprinted p. 6 (PDF p. 7), The Bad Guys | Manual |
| The NES booklet lists good food (milk, turkey, toast, coffee, melon, fruits, hamburgers, fish bowls) and bad (cactus, skulls, toasters, lamps, candles, commodes), and says every building in a city must fall before the next city. | printed p. 7 (PDF p. 8), A Monster's Guide to Fine Dining in the Cityprinted p. 7 (PDF p. 8), A Monster's Guide to Fine Dining in the Cityprinted p. 7 (PDF p. 8), Some Final Helpful Hints | Manual |
| The NES booklet's points table gives 100 for each of the three soldiers listed, 300 for a trolley car, 1,500 for a police car, 2,000 for a tank, and 3,000 for a helicopter. | printed p. 8 (PDF p. 9), Pointsprinted p. 8 (PDF p. 9), Pointsprinted p. 8 (PDF p. 9), Points | Manual |