Trog is a 1990 maze arcade video game developed and published by Midway Manufacturing in North America under the "Bally/Midway" label and later by Williams Electronics in Europe. In the game, players control one of four dinosaurs chased by the titular cavemen. Its gameplay includes elements of Pac-Man—collect all items in a maze, eat a special item to turn the tables on pursuers—but supports up to four players at once. Initially envisioned as a hybrid puzzle/strategy project, its original concept was later reworked into a Pac-Man-like title after poor reception from testers and features claymation graphics, advertised as "Playmation" by Midway. Conversions for the Nintendo Entertainment System and DOS were released by Acclaim Entertainment in 1990 and 1991 respectively, reducing the number