Save state file created by ZSNES, a Super Nintendo Entertainment System (SNES) emulator for PCs; stores a saved game snapshot that can be loaded at another time; used to save and load game progress. ZSNES save states are not the same as in-game save states. In-game states may only be created when arriving at specific game milestones whereas ZSNES save states can be created at any time during gameplay. ZSNES allows save slots ZS0 through ZS9.