🪨 Take turns removing stones from the pile(s).
🏆 The player who takes the last stone wins.
🤖 You play against the computer, which plays perfectly.
🧠 Can you figure out the secret strategy to always beat it?
🪨
Level 1
Single pile · 10–15 stones
Take 1 or 2
🪨🪨
Level 2
Single pile · 12–20 stones
Take 1, 2, or 3
🪨🪨🪨
Level 3
Single pile · 15–25 stones
Take 1 to 4
🪨⚡🪨
Level 4
Two piles
Any amount from one pile
🪨⚡🪨⚡🪨
Level 5 — Multi-Pile Challenge
Three piles · Any amount from one pile · XOR strategy required