Click a square to take it. Shift-click to take two side-by-side squares at once. The red top-right square is poisoned — eat it and you lose immediately. Take the last sweet square and your opponent is left holding nothing but poison. The CPU plays the exact minimax, so this is a real contest, not a gimme.
Nine boards in one. Your move decides where the AI must play next.
Reversi on a hex board. Stones flip along the six straight lines through the hex you play, and the game ends when neither side can move.
A minimax opponent that does not let you win.
Two-player board with check, checkmate and a live ELO rating.
Guess the word before the drawing runs out.
27 elements, density physics and real pair reactions — pour, ignite, dissolve, grow.
Draw one freehand circle and get scored on how round it really is.
Every rule you satisfy unlocks a worse one. Ten rules stand between you and the win.
