The Shape Army is invading! Let's work together to defend our stronghold!
How to Play

Circle, square and triangle enemies will come down from each lane. You will need to load the cannon with the corresponding ammo shape to fight them back!
The Magic Drawboard

Draw the shape for the ammo to be loaded next on the drawboard (doesn't have to be exact!). Only ammo of the correct shape can eliminate the incoming enemies!
After drawing, press SPACE to load ammo, or CLEAR to clear the drawboard.
Selecting Cannons
Option 1: Playing with Arduino controllers

Use Joystick to select a cannon.
The small OLED screen shows the next wave!
Option 2: Playing with keyboard
Use left and right arrow keys to select a cannon.

Use left and right arrow keys to select a cannon.