1. Cross balloon + Color balloon: streams of water will shoot out in eight directions.
2. Color balloon + Line (circle) balloon will turn all balloons that are the same color as the original circle balloon into circle balloons.
3. Cross balloon + Cross balloon: streams of water will shoot out in four directions.
4. Cross balloon + line (circle) balloon: balloons around the combined bubbles will explode along with streams of water shooting out in four directions.
5. Color balloon + Color balloon will remove all balloons currently on the board.