.PSYS File Extension

Game effects file used by ZEQ2 Lite, a 3D fighting game; saves a particle physics effect, which specifies how player skills and actions are emitted in the 3D environment; used for character abilities such as attacks and magic spells.

PSYS files can be found in the \effects\ subdirectory of the ZEQ2 Lite installation. They are saved in a plain text format.