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ZGHEHE

Solo · FREE PLAY

Lights Out

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Logic & numbers
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Game guide · ZGHEHE

Follow the steps for Lights Out

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. Keep the game area visible while you use its controls. Choose a comfortable screen position before beginning. Choose a clear next step rather than rushing through the instructions.

One thing to notice as you play

Keep the stated aim separate from side details such as animation or appearance. Progress is measured by the game’s own completion or scoring rules. Refer to the controls when needed.

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. The feedback beside the game helps you follow the round. 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.

The controls to know

Use the on-screen controls with a mouse or touch. A careful first action helps you become familiar with the layout. Return to the rules if the result is unexpected.

Put the rules into context

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. Look for the relevant detail.

Check this before moving on

An unlit tile can still be tapped; it may be necessary to solve the board. Check the rule before repeating the action. After a move, check what changed. Decide which rule explains the new state before acting again.

Further help with the game

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?

The key detail is this: Use the on-screen controls with a mouse or touch.

As a new player, what example helps explain Lights Out?

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

When I return, what should I watch out for in Lights Out?

The key detail is this: An unlit tile can still be tapped; it may be necessary to solve the board.

For my first round, 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.

While learning, which play mode does Lights Out use?

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

While learning, where should I start with Lights Out?

Here is the relevant explanation: Select a light or an unlit tile.

As a new player, do I need an account or a payment for Lights Out?

Keep this in mind: 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.

On this playing page, how do I report an issue with Lights Out?

For clarity: 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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