Wobbly Bobbly is Kat and Ana's multiplayer mode in WarioWare, Inc. Mega Party Game$. It involves the players sitting on turtles and trying to stay on them. Firstly, the players play a multiplayer microgame. The winner of that is given a single player microgame challenge. If that player wins, its opponent or opponents are given another turtle of the same size. If that player loses, that player earns itself a smaller turtle. The winner is the last one to survive on the turtles. If there is more than two players, players who have already fallen off their turtles can become turtles themselves and try to knock over the remaining players.
If there is a tie in this mode, the players will play a final round to determine the winner.