If you match balloons on the Soil Blocks, the balloons will explode and the Soil Blocks will be removed.
Stone Blocks are obstacles that are stronger than Soil Blocks. When you match balloons adjacent to the Stone Blocks, the blocks will slowly break down.
Rope knots prevent the wrapped balloon from moving and popping. When you match balloons tied up with the rope, the rope will be untied.
Bubbles prevent balloons from popping. When you match the bubble-covered balloon, the bubble will be removed.
The Tube is an obstacle that can be moved. They block streams of water from special balloons.
You can remove the tube when you match the balloons adjacent to the tube.
The Rubber cone is an obstacle which multiplies balloons in surrounding areas every turn. Match the balloons near the rubber cone as fast as you can.
The Propeller is an obstacle which can move balloons clockwise. It can be removed with the dart item.
Twinkle is an obstacle that changes the balloon colors every turn.
When blocks are frozen, you can not move them. You can melt them by popping with surrounding same color of blocks.