Ymir is a work-in-progress Sega Saturn emulator. Ymir includes the following features:
- Load games from MAME CHD, BIN+CUE, IMG+CCD, MDF+MDS or ISO files
- Automatic IPL (BIOS) ROM detection
- Automatic region switching
- Up to two players with a variety of controllers on both ports
- Fully customizable keybindings
- Backup RAM, DRAM and ROM cartridges (more to come)
- Integrated backup memory manager to import and export saves, and transfer between internal and cartridge RAM
- Forwards-compatible save states
- Rewinding (up to one minute at 60 fps), turbo speed, frame step (forwards and backwards)
- Full screen mode with VRR support and low input lag
- Graphics enhancements such as optional deinterlaced/progressive rendering of high resolution modes and transparent mesh polygon rendering
- Optional low level CD block emulation
- A work-in-progress feature-rich debugger
Screenshots
Observed history
| App | Change | Version | When ↑ |
|---|
No observed changes yet.
The initial import establishes a baseline. Future version changes will appear here.
Browse the app catalogue →Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
0.3.321 Jun 2026
No release notes supplied.
0.3.221 Jun 2026
No release notes supplied.
0.3.13 May 2026
No release notes supplied.
0.3.024 Apr 2026
No release notes supplied.






