What is .ZS3 file extension?
Save stat file created by ZSNES, an SNES emulator for PCs; stores a saved game snapshot for an emulated game; used to save and load game progress.
ZSNES provides numerous save states from 0 to 99 (file extensions .ZS0, .ZS1, .ZS2, and so on).
NOTE: ZSNES save states are different than in-game save states since ZSNES save states can be created at any point during gameplay. In-game save states typically are controlled by milestones within the game content.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.