3D Monster Maze is a retro-inspired game for iPhone that pays homage to the classic ZX81 game from the early 1980s. Players navigate a stark, randomly generated maze while being pursued by a relentless tyrannosaurus rex. The game features simplistic black-and-white graphics reminiscent of early home computing, enhancing the nostalgic experience. The objective is to find the exit portal, represented by a swirling pattern, while evading the lurking rex.

The game includes two distinct modes: classic and enhanced. In enhanced mode, players benefit from additional features such as a compass to guide them toward the exit. Players can also abandon the maze at any time, although this will result in a loss of their score. With straightforward controls and clear instructions, 3D Monster Maze offers a unique blend of nostalgia and challenge for fans of retro gaming.