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About Ymir
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
License: GPL-3.0
• 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
License: GPL-3.0
| Release info | Update on Oct 18, 2026 |
|---|---|
| Release notes | Ymir v0.4.1 Discord | Patreon | Compatibility list | Screenshots This is a small maintenance release that fixes a Windows ARM crash on startup caused by a DXC build issue. Check v0.4.0 release notes for details on what's included in this release. > [!IMPORTANT] > Windows users: install the latest Microsoft Visual C++ Redistributable package (x86_64 installer, AArch64/ARM64 installer) before running the emulator. This is mandatory to avoid crashes on startup. > > macOS users: follow these instructions to allow Ymir to run on your system. Ymir is signed with an ad-hoc certificate, flagging it as unverified. > > Linux users: if you choose to install the Flatpak version or installed Ymir from the SteamOS's Discover Store, make sure to grant Ymir permission to access the filesystem or your multi-file disc images won't load properly. > > It is recommended to install the latest GPU drivers in order to use Direct3D or Vulkan: > - Nvidia: Find your GPU here or use the Nvidia App to update drivers automatically > - AMD: Find your GPU or CPU here or use the download buttons at the top to update drivers automatically > - Intel: Find your GPU or CPU here > > Do not use Windows Device Manager or Windows Update to update your GPU drivers, as they tend to have poor performance and lack support for advanced GPU features. > > Always update your integrated GPU driver first, even if you're not using it. This also applies to desktop PCs with dedicated graphics cards. Which version should I download? Grab the file matching your operating system and processor architecture: • windows, linux and macos indicate the operating system • x86_64 is for Intel or AMD CPUs and AArch64/ARM64 is for ARM CPUs • All builds are for 64-bit systems For x86_64 builds, the AVX2 version offers slightly better performance but requires a CPU that supports the instruction set -- pretty much any Intel Core or AMD CPU since 2011 and Intel Pentium/Celeron CPUs from 2020 onwards has support for it. If you… |
| Listing data | Flathub |
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