Lights Out - Very Hard Puzzle app icon

Lights Out - Very Hard Puzzle

One of the hardest classic enigma brain teasers. We challenge you to solve it!

K17 Games · com.k17.Lightsout

Not rated yet 1K+ downloads v1.0.10 32.5 MB Android 7.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v1.0.10 (1000010)
Updated
Nov 11, 2025 (11 months ago)
APK size
32.5 MB
Requires
Android 7.0+ (API 24)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics
OpenGL ES 2.0+
Category
Board (game)
Listed since
Jun 10, 2023 (at least)
Permissions
9
Website
k17-games.blogspot.com
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Lights Out - Very Hard Puzzle is a game by K17 Games in the Board category, listed since at least June 2023. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 9 permissions, none of them sensitive. The game can read the advertising ID that ad and analytics services use.

What's new in v1.0.10

Bug fixes and performance improvements

Description

From the listing uploaded by “appupdater”.

Welcome to the ultimate brain-teaser! K17 Games proudly presents the beautifully remade electronic puzzle game, inspired by the popular board games - Lights Out and Merlin Magic Square. With this fantastic app, you can play the classic puzzle game on your phone or tablet, anytime, anywhere, for free! The game is straightforward yet challenging, consisting of a 5 by 5 grid of lights. When you start the game, a random pattern of lights will be switched on. To win the game, you need to switch all the lights off. Seems easy enough, right? Well, here's the catch. Whenever you tap a light, not only that light but also its four adjacent lights will toggle on or off. You need to use your cognitive abilities to think critically, plan your moves, and solve the puzzle in as few button presses as possible. One of the best things about LightsOut is the unlimited amount of puzzles you can play. Every time you start a new game, the app generates a new random pattern of lights, so you will never run out of new puzzles to solve. This makes it a perfect game to play in your free time, as it can keep you engaged and entertained for hours. Now, let's talk about the secret to solving the game. Are you tired of playing the same level over and over again, and getting nowhere? Don't worry; we have got you covered! Here's the little secret - every puzzle is solvable. Yes, you heard that right! There's a super simple and easy way to solve the game that works every time. It might take some practice, but once you get the hang of it, you'll be able to solve any level effortlessly. So, what are you waiting for? Download Lightsout now and challenge yourself to solve the hardest puzzle game out there. Whether you are a puzzle game enthusiast or just looking for a fun and challenging game, Lightsout has something for everyone. Don't let the simplicity of the game fool you; it is one of the hardest puzzle games out there. But don't worry, we are confident that you can beat it. +A free electronic puzzle game that's inspired by the classic board game. +A challenging yet straightforward gameplay. +The ability to train your brain and improve your problem-solving skills. +Unlimited random puzzles to solve, so you'll never get bored. The satisfaction of beating one of the hardest puzzle games out there. This challenging game is guaranteed to train your brain, improve your problem-solving skills, and keep you sharp! So, download Lights Out now and start solving!

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Nov 11, 2025.
  • Certificate issued to “Way to the Heaven” This is the certificate of the Google Play version.

Store checks and file details

  • Developer signature verified Nov 11, 2025
  • Validated against Google Play Nov 11, 2025
  • Signed byCN=WTTH, OU=Studios, O=Way to the Heaven, L=Classified, C=RU
  • Signing certificate (SHA-1)25:BF:7F:EB:45:22:8C:5F:7D:FA:81:AB:F3:C1:69:E0:3B:36:56:FE
  • File MD54533248c79e294ea1278bef4004f5f51
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (9)

Lights Out - Very Hard Puzzle requests 9 permissions, none of them sensitive.

Required hardware & features

Lights Out - Very Hard Puzzle APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Lights Out - Very Hard Puzzle APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 4533248c79e294ea1278bef4004f5f51.

Tags

More Board games