Twin Qix is a puzzle game developed by Taito and released in 1995. The game is an updated version of the original Qix game and features similar gameplay mechanics. Players must use a unique controller to draw lines on the screen and claim territory while avoiding enemies. The game features a two-player mode, allowing players to compete against each other. Twin Qix (US Prototype) was never officially released, but it was well-received by critics for its innovative gameplay mechanics and colorful graphics.