
nullDC is a free, open source 32-bit Sega Dreamcast and Sega NAOMI (arcade edition of Sega hardware) game consoles emulator for Windows, first released in 2006 and discontinued in 2011. While, even compared with its successor - Reicast, nullDC is still a better choice for Dreamcast emulation on Windows.
In the opinions of AppNee and many video game players, nullDC is the most powerful, realistic DC emulator with the most games supported. That means with nullDC you can run most of DC games at ultra high performance - literally, sometimes you may even need to limit its speed (just because it's too fast).


Supported CD/GD Images
- BIN
- CDI
- CHD
- GDI
- ELF
- MDF/MDS
- NRG
System Requirements
- Microsoft Visual C++ 2010 Redistributable Package (x86)
- DirectX End-User Runtime Web Installer (DirectX Redist)
- DirectX End-User Runtime Offline Installer (June 2010 | Homepage)
- WinPcap for modem emulation
Edition Statement
AppNee provided you the NullDC v1.0.4 r136 Final version with normal and normal & hacked (region free) BIOS files and 21 plugins.Prompts
- For NRG format game ROM, you need to load it first in the virtual drive (such as Daemon Tools), and then boot game from there
- For some game with .CDI format, it might need to be changed to .cdi to read
- Partial 2D game's graphics will be obviously fragmented, then you can try to disable the 3D anti-aliased effects
- For 3D game, it is strongly recommended that open the 3D anti-aliased processing and other related filters
Download URLs
Version | Download | Size |
Emulator | ||
v1.0.4 r136 Final | ![]() |
903 KB |
BIOS & Plugin Files | ||
Normal Ported (5) + Region Free (3) | ![]() |
n/a |
21 Plugins | ![]() |
545 KB |