Game guide · XZZHUYUSI
Getting started with Nim
Bring your attention to one round of Nim. Remove the last counter on the board to win. Use the example below to understand a decision. Keep the instructions close while learning this activity. Use the example below to understand a decision.
Practice beyond the first move
After a move, check what changed. Decide which rule explains the new state before acting again. Use the example to check your reasoning.
The goal to keep in mind
Remove the last counter on the board to win. Use the instructions to see which actions move you towards it. Start with a deliberate move.
From the start of a round
- Player 1 chooses a pile.
- Remove at least one counter, and up to all counters, from that pile.
- The next player chooses a pile and an amount.
- Continue until no counters remain.
How to interact with the game
Use the on-screen controls with a mouse or touch. Use the control method described here for this activity. Use the visible help when you are unsure of the next input.
Try this example
With heaps of 1, 2 and 3 counters, choose one heap and remove at least one counter from it. You cannot take from two heaps in the same turn. Focus on why the action is allowed, not only its outcome. Verify the rule before continuing.
Pay attention to this rule
Only one pile may be changed per turn. Read the feedback to see why an action did not have the expected result. Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board.
Answers about the rules and controls
Before I begin, what is the goal of Nim?
Here is the relevant explanation: Remove the last counter on the board to win.
Before I begin, how do I control Nim?
Keep this in mind: Use the on-screen controls with a mouse or touch.
For this browser game, what example helps explain Nim?
Keep this in mind: With piles of 1 and 2, a move may empty one pile, but cannot remove one counter from both in the same turn.
Before I begin, what should I watch out for in Nim?
For clarity: Only one pile may be changed per turn.
For this browser game, what format does Nim offer?
Play using the same-device two players mode shown on this page. Read the controls before starting a new round.
When I return, which play mode does Nim use?
Keep this in mind: The mode on this page is Same-device two players. Same-device play uses one screen; this game library does not provide internet matchmaking.
On this playing page, where should I start with Nim?
The key detail is this: Player 1 chooses a pile.
Do I need an account or a payment for Nim?
For clarity: No player account or payment is needed. Game scores are recreational results, not cash prizes.
While reading the Guide, how can I find Nim again?
The key detail is this: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
On this playing page, how do I report an issue with Nim?
Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.