Tidal Cave

Tidal Cave is a microgame in the Sci-Fi folder in WarioWare, Inc.: Minigame Mania. The name is a pun on a "tidal wave".

Gameplay
There is a smiling, orange UFO traveling through a tunnel with waves on the top and bottom. The player must use the D-pad to move the UFO out of the way before it collides with the tall, red waves. There will be smaller, harmless waves before the red ones, warning the player ahead of time where the waves will be. On level one, the player only has to avoid one wave. On level two, they must dodge two, and on level three, they must dodge three.

In the Grid, a minimum of twenty levels must be beaten to beat this Microgame.