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4008007786

Solo · FREE PLAY

Lights Out

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Logic & numbers
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Game guide · 4008007786

How to play Lights Out

Take a moment with Lights Out before moving to another game. Turn every light off. Every supplied starting state is made by valid flips from an all-off board and is therefore solvable. Look at what changes after your first action. Treat the first round as a chance to learn the controls. Look at what changes after your first action.

A small practice goal

Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow. Refer to the controls when needed.

Your objective

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. The example below illustrates a decision.

How a round unfolds

  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.

Input guidance

Use the on-screen controls with a mouse or touch. Use the control method described here for this activity. Check any mode label before starting.

Work through an example

Tapping the centre changes five cells. Tapping a corner changes three. Diagonal neighbours are not affected. Compare this with the rule that governs the move. Keep the controls nearby.

Keep this in mind

An unlit tile can still be tapped; it may be necessary to solve the board. Read the feedback to see why an action did not have the expected result. Read one step at a time and try it on the playing area. Match the instruction to the control you use.

A few questions answered

For this browser game, 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.

When I return, how do I control Lights Out?

Keep this in mind: Use the on-screen controls with a mouse or touch.

For this browser game, what example helps explain Lights Out?

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

While learning, what should I watch out for in Lights Out?

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

What format does Lights Out offer?

The key detail is this: Play using the solo mode shown on this page. Read the controls before starting a new round.

For this browser game, which play mode does Lights Out use?

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

As a new player, where should I start with Lights Out?

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

While reading the Guide, do I need an account or a payment for Lights Out?

Here is the relevant explanation: No player account or payment is needed. Game scores are recreational results, not cash prizes.

For my first round, how can I find Lights Out again?

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

While learning, how do I report an issue with Lights Out?

Keep this in mind: 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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