This slayer gametype will upgrade every player that spawns with a revenant cannon, which can be fired regardless of the primary weapon (including no weapon!). Vehicle usage is disabled for all players. Only works on maps that support revenants. Additionally, there's a gametype option that lets you change the vehicle weapon. It can be a revenant, scorpion, or wraith. So really, a more appropriate name is "vehicle cannon slayer," but it doesn't sound as good, and revenants are the best option for a semi-serious game anyway.