Click the pieces on the side to select them, then click a square to place. R to reset board. Your goal is to make the position impossible. (Here, impossible means that no matter what legal moves both sides play, they can not get to that position.)
Entry for ꔫ 30 flw's Color Palette Contest ✦ Win 25+ ꔫ https://scratch.mit.edu/projects/1268397206/ Batch 3; Palette 2