However, there actually is a way to change that. If you ever used Demul, youve probably seen that its VERY slow.Thus you can enjoy the vast majority of the SEGA back catalogue right from the comfort of your PC. NullDC is a very powerful Dreamcast emulator with a wide list of compatible games.Not active anymore, reicast is the new cool project :p Downloads: nullDC 1.04 r136 Hits: 2489 Size: 895 Kb Links: GitHub - skmp/nulldc: nullDC, a sega dreamcast emulator for win86. nullDC is an open source Sega Dreamcast console and NAOMI arcade machine emulator for Windows.