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400286

Solo · FREE PLAY

Lights Out

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Game guide · 400286

Lights Out: instructions and practice

Start Lights Out by looking at the playing area and its controls. Turn every light off. Every supplied starting state is made by valid flips from an all-off board and is therefore solvable. Keep the game area visible while you use its controls. Choose a comfortable screen position before beginning. Keep the game area visible while you use its controls.

Something to practise

After a move, check what changed. Decide which rule explains the new state before acting again. Keep the objective visible.

Understand the aim

Turn every light off. Every supplied starting state is made by valid flips from an all-off board and is therefore solvable. Keep that objective in view throughout the round. Try to explain the aim in your own words.

How to proceed

  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.

Your inputs

Use the on-screen controls with a mouse or touch. A careful first action helps you become familiar with the layout. Avoid pressing the same control repeatedly while a move is being processed.

See how the rules apply

Tapping the centre changes five cells. Tapping a corner changes three. Diagonal neighbours are not affected. Apply the same reasoning to the position in your own round. Read the matching step again.

Watch out for this

An unlit tile can still be tapped; it may be necessary to solve the board. Compare the situation with the worked example. Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board.

Common questions

For this browser game, what is the goal of Lights Out?

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

Before I begin, how do I control Lights Out?

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

For my first round, what example helps explain Lights Out?

Tapping the centre changes five cells. Tapping a corner changes three. Diagonal neighbours are not affected.

As a new player, what should I watch out for in Lights Out?

An unlit tile can still be tapped; it may be necessary to solve the board.

Before I begin, what format does Lights Out offer?

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

For my first round, which play mode does Lights Out use?

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

For a quick reminder, where should I start with Lights Out?

For clarity: Select a light or an unlit tile.

When I return, 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.

As a new player, how can I find Lights Out again?

For clarity: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.

For this browser game, 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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