DeSmuME is the most seasoned open source Nintendo DS emulator. It sports tools designed for hackers, speedrunners, youtubers, and casual gamers. Homebrew programs are supported and can even be debugged through GDB.

The Windows and OSX versions are both relatively feature rich, and there is a small universe of forks and mods that add even more features for casual gaming.

DeSmuME is the origin of RetroArch and OpenEmu Nintendo DS support and is used by several mobile Nintendo DS emulators, with the notable exception of DraStic.

What's New:

In this version, we have focused on the Cocoa frontend, but there have been some good core fixes over so long. Notably, the save-related issues resulting in the advice “dont use 0.9.10″ have been resolved.

Turn on JIT (dynamic recompiler) for HUGE speedup:

  • For Windows users: in main menu, choose Config -> Emulation Settings, check “Use dynamic recompiler” or add to command line “––cpu-mode=1″
  • For Linux users: add to command line “––cpu-mode=1″
  • For Mac users: In the Emulation menu, choose Emulation > Show Emulation Settings. Then in the Emulation Settings panel, select Dynamic Recompiler. To keep JIT as the default setting, click ‘Save Settings as Default’.