Strategy
You built a beautiful sandcastle right at the water's edge, and the tide is coming! Between waves, spend your buckets of sand on walls. Then watch the water flow around them, pile up and slowly wash them away. Clever shapes hold much longer than a straight line.
Keep at least one castle tower standing. Every wave you survive gives points and more sand, more if more towers are left. Waves get bigger each time.
Click or drag on the sand to build walls, click a full wall to take it back. Arrows + Space also build. Enter sends the next wave.
Tap or drag on the sand to build walls, tap a full wall to take it back. Tap the blue button to send the wave early.