Round 60

Information

Difficulty: easy.
Bubbles: standard.
Clear fruit: none.

Strategy

If you get control of Bub quickly at the start of the level, drop immediately through the hole and bubble the four Invaders before they start moving. You can burst them before the "Get Ready!" text has even disappeared.

If you're not quick enough to get to the Invaders before they start moving, allow them to drop down from the top-most platform and then fall through the hole to the top of the level. When the Invaders return to the top of the screen, bubble and burst them as quickly as you can.