The latest patch for the game is v1.2 (v1.2.2 if using Daikatana DM). The patch is available from DaikatanaNews.net (mirror).
All of the official content for the game, along with user created content and patches, can be found on DaikatanaNews.net (mirror).
A guide on fixing the in-game server browser can be found here.
hrtf = true;
4. Copy the hrtf folder from the source code archive into %APPDATA%/openal/ directory.
5. Make sure OpenAL is set in Sound options.
daikatana.exe -dedicated +exec server.cfg +set port 27998