• WATT32 for online play.
• HTTP Downloading via cURL for R1Q2 servers.
• Yamagi Quake 2 and Mission packs game code.
• Sound Blaster Pro and Gravis UltraSound support.
• PCI Audio via mpxplay library.
• GameSpy server browser.
• Native ports of 3ZB2, Ace Bot, Chaos, D-Day.
• Knightmare's v3.24 vanilla patch.
• 3DFX Voodoo rendering with Mesa and Sage.
• Streaming OGG Vorbis and WAV music.
• Various stability fixes by sezero and other Quake 2 port authors.

Screenshots from Q2DOS with 3DFX:

Downloads:

• Latest compiles on Github (may be outdated compared to nightly - check file dates).
• Nightly compile.
• Nightly SSE compile (requires Pentium 3 or later).
• Original proof-of-concept alpha (for historical purposes).
• Self-contained demo with DEICE installer from November 6, 2015.
• MTRRLFBE by RayeR -- Faster video modes under DOS.
• DOSLFN -- Long file name support.
• UNIRV -- Custom refresh rates.
• GUSFIX -- Fixes the stuck/repeating sounds on startup.
• 7-Zip v4.58 beta for DOS -- for extracting the files on this site.

Links:

• Project homepage.
• Old Project homepage.
• Neozeed's Blog -- Virtually fun.
• [HCI]Mara'akate's homepage.
• Sezero's uHexen2 port.