Build the highest sand castle before the waves destroy it

Controls

Desktop:
A and D to move the selected tile left and right.
S to speed up the game.

Mobile:
Swipe to move the selected tile left and right.
Hold to speed up the game.

Credit

Color palette is Revival by SomeRandomFrog.

Sound engine is PixiJs Sound.

Everything else by myself.
Game was made in Elm.
Sounds was created using jsx.
Music was created using BeepBox.