Tidal Cave

Tidal Cave is a microgame in the Sci-Fi folder in WarioWare, Inc.: Mega Microgame$!. 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 players must use the to move the UFO out of the way before it collides with the tall, red lava waves. There will be smaller, harmless water waves before the lava waves, warning the players ahead of time where the waves will be.
 * 1st level difficulty: The player must dodge one wave.
 * 2nd level difficulty: The player must dodge two waves.
 * 3rd level difficulty: The player must dodge three waves.

Names in other languages
Onde sotterranee