Developed by Escalation Studios and funded by the Cyberathlete Professional League, Severity is a FPS title being built on new idSoftware technology (perhaps the Tech 5 Engine). Both Tom Mustaine (Escalation Studios) and John Romero (id Software) are working on the project so its definitely a title to keep an eye on.
Severity will be cross-platform multiplayer between Xbox 360, PS3, and PC gamers. This could be the first ever title to do all three platforms all playing eachother.
Read on for the first details on Severity for PS3, Xbox 360, and PC.