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Lights Out

Lights Out

The classic toggle-the-grid puzzle

💡 Tap a light to flip it and its neighbors — turn them ALL off!

Logic · Ages 7+

Played 113 times

Like every game on iplay.free, Lights Out is completely free — no ads, no sign-up, and no downloads. It runs right in your browser, so there's nothing to install and nothing to buy. With no ads and no account, it's safe to hand to a child and easy to pick up any time.

How to play Lights Out

Goal: Switch off every light on the grid.
How to play: Tapping a light flips it AND the lights directly above, below, left and right of it. Plan your taps so everything ends up dark.
Win: Turn off all the lights. Every puzzle is always solvable — try to do it in the fewest taps!

Game modes

Pick the level that suits you — Lights Out offers 4 ways to play:

Warm-up
Easy
Medium
Tricky

Bigger grids are trickier to switch off!

Skills you'll practise

logical reasoning, problem solving, parity.

Did you know?

💡 Lights Out was a real handheld electronic toy from 1995 — and mathematicians solve it with a bit of algebra called linear equations over GF(2)!

Frequently asked questions

Is iplay.free really free?: Yes — every game is completely free, with no ads, no sign-up, and no downloads. There's nothing to buy and no premium tier: it's free forever.
Do I need an account or sign-up?: No. Games play instantly in the browser — no login, no email, and no personal details are ever required.
Are there any ads?: None. iplay.free runs no ad networks, so there are no banners, no pop-ups, and nothing to mis-tap — which is part of why it's safe to hand to a child.
Is it safe for kids?: Yes. Because there are no ads, no chat, and no account, there's nothing inappropriate to stumble into and no data to hand over. You can pass a device to a child without worrying about pop-ups or accidental purchases.
Do I need to download or install anything?: No. Everything runs in your web browser — there's no app to install and no updates to manage. Just open a game and play.
What devices and browsers work?: Any modern browser — Chrome, Safari, Firefox, or Edge — on a phone, tablet, laptop, or desktop, including school Chromebooks.