Mednafen – multi-system emulator

Mednafen is a portable, utilizing OpenGL and SDL, argument (command-line)-driven multi-system emulator with many advanced features.

It emulates:

  • Atari Lynx.
  • Neo Geo Pocket (Color).
  • WonderSwan.
  • GameBoy (Color).
  • GameBoy Advance.
  • Nintendo Entertainment System.
  • Super Nintendo Entertainment System/Super Famicom.
  • Virtual Boy.
  • PC Engine/TurboGrafx 16 (CD).
  • SuperGrafx.
  • PC-FX.
  • Sega Game Gear.
  • Sega Genesis/Megadrive.
  • Sega Master System.
  • Sega Saturn (experimental, x86_64 only).
  • Sony PlayStation.

Save states are supported, as is real-time game rewinding. Screen snapshots may be taken at the press of a button, and are saved in the popular PNG file format.

Due to the threaded model of emulation used in Mednafen, and limitations of SDL, a joystick is preferred over a keyboard to play games, as the joystick will have slightly less latency, although the latency differences may not be perceptible to most people.

Features include:

  • Double-buffered video, enabled by default.
  • Multi-threaded video blitting, allowing for a kind of software triple-buffering, and improving performance on SMP systems.
  • Joystick support.
  • Extremely versatile input configuration system; assign multiple physical buttons to a virtual button or action.
  • Full-screen modes.
  • Save states.
  • Real-time game rewinding, up to 10 seconds.
  • Remap hotkey functions and virtual system inputs to a keyboard, a joystick, or both simultaneously.
  • Screen snapshots, saved in PNG format.
  • Loading games from gzip and (pk)zip compressed archives.

Support: Documentation
Developer: bugzoom
License: GNU General Public License v2.0


Mednafen is written in C++. Learn C++ with our recommended free books and free tutorials.

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5 years ago

Huh. I thought Mednafen could run SNES and Mega Drive/Sega Genesis games too, among others. I had heard of it as a many-in-one emulator, so I thought of picking it up. Guess I was misled.

Ken Jesmond
Ken Jesmond
5 years ago
Reply to  Andy

The project makes it VERY clear what it supports:

Atari Lynx
Neo Geo Pocket (Color)
GameBoy (Color)
GameBoy Advance
Nintendo Entertainment System
Super Nintendo Entertainment System/Super Famicom
Virtual Boy
PC Engine/TurboGrafx 16 (CD)
Sega Game Gear
Sega Genesis/Megadrive
Sega Master System
Sega Saturn (experimental, x86_64 only)
Sony PlayStation

SNES and Megadrive are supported…

victim of mednafen
victim of mednafen
1 year ago

Mednafen is **** emulator. I was forced to port install from its source code. How to assign A-button on keyboard of my macbook? How to fix wrong aspect ration? I have no mind to read long long readme to start gaming. Only thing I can do is deleting this **** ****. Thack Madnafen. The ****, RIP.