Game guide · ITCGT
Learn the rules of Nim
Take a moment with Nim before moving to another game. Remove the last counter on the board to win. Look at what changes after your first action. Keep the instructions close while learning this activity. Use the example below to understand a decision.
Something to practise
Read one step at a time and try it on the playing area. Match the instruction to the control you use. Notice the feedback after each input.
Understand the aim
Remove the last counter on the board to win. Keep that objective in view throughout the round. Take a moment to understand the current position.
The steps to play
- 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.
Keyboard and screen controls
Use the on-screen controls with a mouse or touch. Keep the playing area visible while using these controls. Look at the feedback after the action.
See how the rules apply
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. Your next round may have a different position, so inspect it before acting. Keep the game’s format in mind.
Avoid this misunderstanding
Only one pile may be changed per turn. A different version of the game may use a different rule. Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart.
Clarifying the way this game works
When I return, what is the goal of Nim?
Here is the relevant explanation: Remove the last counter on the board to win.
As a new player, how do I control Nim?
Here is the relevant explanation: Use the on-screen controls with a mouse or touch.
Before I begin, what example helps explain Nim?
The key detail is this: If only one counter remains in one heap, taking it wins under the normal-play rule used here.
On this playing page, what should I watch out for in Nim?
Here is the relevant explanation: Only one pile may be changed per turn.
For my first round, 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.
Before I begin, which play mode does Nim use?
Here is the relevant explanation: The mode on this page is Same-device two players. Same-device play uses one screen; this game library does not provide internet matchmaking.
For a quick reminder, where should I start with Nim?
Keep this in mind: Player 1 chooses a pile.
While reading the Guide, 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 learning, 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.
When I return, 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.