The aim of this project is to provide the game of Orcs Must Die! Unchained a way to be played again. This is achieved by applying modifications to the game.

This mod will modify your game files. But it will also create backups for the original files automatically.

If you want to give feedback, contribute, participate in testing or just hang around and talk about OMDU, feel free to join our Discord server clicking the label below:

1. Download Game from: Steam (If link doesn't work, ask for help at the Discord server)
2. Download the Project Rechained Launcher latest release from: Latest release .zip
3. Extract the downloaded Project_Rechained_Launcher.zip contents inside the root folder of your game installation. (Same folder that contains "Binaries", "Engine", etc)
4. Run the "ProjectRechainedLauncher.exe" inside the ProjectRechained folder.
5. (Optional) Close the Launcher and launch from Steam

Note: Once installed, it can be launched from Steam by Pressing play on the Orcs Must Die! Unchained Game in your library.

• Launch the game from Steam
• Peer to peer multiplayer
• Play any map, Survival or Endless modes
• Play with all Heroes and Custom Loadouts
  • Choose Traps (with trap parts) and Gear
  • Choose Guardians, Traits and Consumables
• Save your loadouts and share them with other players
• Hero, Guardian and Trap Tiers are matched with enemy/map level
• New extra difficulties for every map
• New Mods:
  • Remove Trap Cap
  • Invincible barricades
  • Custom intial Coin
  • God Mode
  • Show Trap Damage
  • Sell Traps during waves
  • and more!
• Settings and mods are saved between executions

• Campaign Mode
• Loadout randomizer
• Fix Coop issues

• (Coop) All starting coins go to Host
• Host player has no enemy / guardian / hero voices
• (Coop) Client sometimes needs to rejoin to get all skills
• (Coop) Client traits "stack up" when reconnecting
• Host player hero mobility skills (Gabriella teleport, Mdnight dash, etc) partially work
• (Coop) Some mods create issues for Client
• (Visual only) Host player wave count at top of screen is wrong (press Tab to see actual wave limit)
• (Visual only) Host player Unchained meter (right side of screen) stuck after first activation
  • The indicator over the hero icon at the bottom left of the screen works correctly
• (Visual only) Crogon Keep textures can be black
• UI of the launcher is simple

This project would not have been possible without the help and support of several people and projects:

A big thank you to all the people who contributed to this project:

• DaTeddy - Contributed with reverse-engineering, testing, documenting and much more.

This project makes use of the following open-source projects:

• Unreal Package Decompressor by gildor - Used to decompress upk files.
• Newtonsoft.Json - Used to handle the settings and save state.
• OMDU Hook by trumank - Unlocks the possibility of multiplayer and further loadout customisation.

If you have any questions, suggestions, or feedback, feel free to reach out:

• Project Maintainer: TimeMaster - [email protected]
• Discord Server: OMD Modding Server