It's arena based combat with different enemys, powerups and maybe even bossfights. We'll have to see whether boss fights make any sense or not gameplay wise.
But the engine would actually work perfectly for a 3d-platformer as the movement and collision code is rock-solid. And if the game and the characters are well received we'll definitively commit on a 3d-platformer with the worms
I'll try to have a gameplay video available within the next days!