I have a mod idea for tremulous.
A sci-fi tron alike map with tron alike monsters. This setup will help to design models, so you dont need the animation phase, and even models can be solid filed or cellshaded.
Theres 2 teams:
* Virus (virus)
* Operators (humans)
Gamplay:
Mode1: Tremulous alike, not much changes, maybe ability to "build" a super virus with 2 players firing from the same model.
Mode2: BZflag alike.