Take turns removing stones from any row. The player who takes the last stone loses!
Row 1
Row 2
Row 3
Row 4
About This Game
- How do I play Nim?
- Take turns removing objects — whoever takes the last one loses The game is completely free and runs directly in your browser — no plugins or downloads needed.
- What are the rules of Nim?
- There are 4 rows with different numbers of objects. Each turn, remove 1 or more objects from a single row. The player who takes the last object loses (misère rules).
- Is there a winning strategy?
- Yes! Nim has a mathematical solution based on XOR (binary digital sum). If the XOR of all row sizes is 0, the player to move is in a losing position. The AI uses this strategy, so you need to put it in a losing position first.
- How many difficulty levels or stages does Nim have?
- Nim offers multiple difficulty levels ranging from beginner to expert. Some levels are procedurally generated, ensuring a unique experience every time you play and greatly enhancing replayability.
- What should I do if I get stuck in Nim? Is there a hint system?
- If you get stuck, try approaching the puzzle from a different angle. Nim is designed to encourage logical reasoning and patience. Some levels support undo actions, allowing you to backtrack and try alternative strategies.
- Can I play Nim on my phone?
- Yes. Nim supports mobile browsers with touch-friendly controls, so you can play anytime, anywhere.