As promised, Valve Software has released via Steam the Half-Life 2 Deathmatch multiplayer mode, along with the game SDK (Software Development Kit). Thanks: ComputerGames.ro. Also, a Half-Life 2: Deathmatch Map Making Contest has been announced. The winning entry will receive a cash prize of $5,000. Two runner up entries will receive a cash prize of $3,000 - visit www.steampowered.com for more information.