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JIUDINGST

RULES & PRACTICE

How to Play Lights Out

Play Lights Out ↗

Game guide · JIUDINGST

Lights Out: how a round works

Try Lights Out at your own pace and keep its objective in view. Turn every light off. Every supplied starting state is made by valid flips from an all-off board and is therefore solvable. Use the example below to understand a decision. Choose a comfortable screen position before beginning. Choose a clear next step rather than rushing through the instructions.

A focus for your next round

Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart. Refer to the controls when needed.

The objective of a round

Turn every light off. Every supplied starting state is made by valid flips from an all-off board and is therefore solvable. Read that aim before choosing your first action. Try to explain the aim in your own words.

The steps to play

  1. Select a light or an unlit tile.
  2. The selected tile and its orthogonal neighbours switch state.
  3. Plan flips so that previously cleared rows stay cleared.
  4. Use Undo to try another approach.

Using the playing area

Use the on-screen controls with a mouse or touch. A careful first action helps you become familiar with the layout. Check any mode label before starting.

An example to follow

Tapping the centre changes five cells. Tapping a corner changes three. Diagonal neighbours are not affected. Use the example as a guide rather than a substitute for reading your board. Choose a deliberate next step.

Keep this in mind

An unlit tile can still be tapped; it may be necessary to solve the board. Take a moment to reassess the position before continuing. Read one step at a time and try it on the playing area. Match the instruction to the control you use.

Answers about the rules and controls

As a new player, what is the goal of Lights Out?

Turn every light off. Every supplied starting state is made by valid flips from an all-off board and is therefore solvable.

For this browser game, how do I control Lights Out?

Use the on-screen controls with a mouse or touch.

When I return, what example helps explain Lights Out?

Keep this in mind: Tapping the centre changes five cells. Tapping a corner changes three. Diagonal neighbours are not affected.

While reading the Guide, what should I watch out for in Lights Out?

Here is the relevant explanation: An unlit tile can still be tapped; it may be necessary to solve the board.

What format does Lights Out offer?

Play using the solo mode shown on this page. Read the controls before starting a new round.

On this playing page, which play mode does Lights Out use?

The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.

Before I begin, where should I start with Lights Out?

The key detail is this: Select a light or an unlit tile.

For this browser game, do I need an account or a payment for Lights Out?

For clarity: No player account or payment is needed. Game scores are recreational results, not cash prizes.

When I return, how can I find Lights Out 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.

While reading the Guide, how do I report an issue with Lights Out?

The key detail is this: 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.

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