The cartridges were half the size of the NES’s, and were inserted in the top instead of through a door in the front (like on the NES).
Player One’s controller can pause the game, and Player Two’s controller has audio controls. The cartridges were half the size of the NES’s, and were inserted in the top instead of through a door in the front (like on the NES). Instead of looking like a vertical cartridge, like the NES, it more closely resembles a SNES cartridge.