In the original Rayman Raving Rabbids, there were quite a few FPS minigames. These plunger shootouts were one of the highlights of said game. For RRR2, Ubisoft is bringing them back, but with a twist: the levels are actual recorded footage of cities around the world, with Rabbids and other objects animated in! Videos:
Obviously the final version will have Wii-Remote controls and you won't be invincible