Bloodbath-Codex

Set in a dystopian future, players will compete to literally stay alive against merciless adversaries in post-apocalyptic arenas around the world, each of them with a near endless array of life-terminating hazards and limb eviscerating death-traps. Bloodbath features six different fighters, each with their own special ablities and weapons, as well as a variety of battle modes for a dynamic multplayer experience

Single Player (play against bots) and Multiplayer possible
2) mount or burn the .iso
3) install & play

Link: Download