Psy-Phi is a 2005 touch-screen-based arcade fighting game developed by Digital Rex, a Sega studio led by Yu Suzuki. It was the first full-screen HD title to utilize strictly touch-screen controls. However, the game was pulled and never saw a wide release beyond location tests.

Psy-Phi is a 2005 touch-screen-based arcade fighting game developed by Digital Rex, a Sega studio led by Yu Suzuki. It was the first full-screen HD title to utilize strictly touch-screen controls. However, the game was pulled and never saw a wide release beyond location tests.