Trog is a maze game developed by Midway and released in 1990. The game features a group of dinosaurs who must navigate through different mazes to collect eggs and avoid enemies. The game features a unique 'stomp' system that allows players to stun enemies by jumping on them. The game also features a four-player mode, allowing players to compete against each other. Trog was popular in arcades for its innovative gameplay mechanics and colorful graphics.