Open Fortress is free and easily configured mod for Valve's Team Fortress 2 created by over a hundred developers from the Team Fortress 2 community. It includes a new character, the Deathmatch mercenary, new and modified weapons, and over 50 maps. It also introduces the deathmatch game mode from Quake. Other additions include all the playable characters from Team Fortress Classic and the game mechanic of bunny hopping.