Odamex

Odamex is a free and open source Doom engine designed to emulate the multiplayer experience of the original executables while still providing enhanced editing, gameplay and security features.

Features

Odamex offers:

• Ability to run on many different operating systems.
• Client and server environment with in-game joining.
• Resistance versus cheats and exploitation.
• Support for up to 16 simultaneous players.
• Additional higher-resolution video modes.
• The ability to load DeHackEd patches.
• Full support for Boom editing features.
• Five distinct game modes:
  • Free for All
  • Head to Head
  • Team Deathmatch
  • Capture the Flag
  • Cooperative

Games

All of the following games are supported:

• Doom
• Doom II
• Ultimate Doom
• Final Doom - TNT:Evilution
• Final Doom - The Plutonia Experiment
• Shareware Doom
• FreeDoom