This is regular Half-Life 2 Deathmatch ported over to the Orange box SDK,
You can download the Mod Here http://james1324.web.officelive.com/Vanilla.aspx
Multiplayer Source Code fixes
Players animate with the new animation system that came along with TF2.
Fixed third person animations and all effects
Fixed SLAM issues
Fixed Use of UTIL_GetLocalPlayer on the server in various locations
Fixed a number of other bugs / asserts.
Fixed all Shotgun issues
Fixed maxplayers issue where you were only allowed 16 players, now you can go up to 32