Project Manslayer is the codename of a project conceived by DECA. It was scheduled to contain both singleplayer and multiplayer mode at launch.
- "A whole new concept you haven't seen yet. You'll feel powerfull and awesoem when you see what the future can bring and when you get your hands on those unknown futuristic weaponry. Definetly a multiplayer you'll find yourself immersed in."
- ―Unknown comment on Manslayer
Due to the break up of DECA and NCS, Project Manslayer was deemed to be cancelled in the aftermath of it. However, the actual announcement to confirm that it is cancelled has yet to be made.