Chocolate Sweeper

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Offers in-app purchases

How difficult can it be? Richard Kaye proved that Minesweeper(MS) is NP-complete[1,2]. That means MS can be a very difficult problem even for computers to solve.

We made up such MS into a "perfect" puzzle game. I use "perfect" to mean that no guesses are required to solve puzzles, or even more strictly, no guesses are allowed. Only the squares (means "chocolate cubes" in this game) that are certainly safe can be uncovered (eaten).

This game has two play modes, Game and Puzzle. Puzzle mode has 250 challenging puzzles. In Game mode, you can play random puzzles like standard MS, but they are guess-free. You will never get tired of playing!

Once you play this game, you will realize that MS was such a difficult, but very fun puzzle game.

Some other popular puzzle games are also proven as NP-complete[3,4,5]. Therefore, I can say this game is as much fun as those puzzle games.

Chocolate Sweeper is optimized for mobile screen size and touch interface. This is the best puzzle game you can play on a mobile device!

Please be cautioned that this game is not as sweet as it looks. It is really difficult, and not recommended for those people who just want to play games for relaxation.

This App collects some user information for ads and analytics. Please understand and agree with our privacy policy (updated on 25 April 2016).

[1] Richard Kaye's Minesweeper Pages:
[2] R. Kaye. Minesweeper is NP-complete. Mathematical Intelligencer, 22(2):9–15, 2000.
[3] T. Yato. List of NP-Complete Pencil Puzzles:
[4] T. Yato and T. Seta. Complexity and completeness of finding another solution and its application to puzzles. IPSJ SIG Notes 2002-AL-87-2, IPSJ, 2002.
[5] N. Ueda and T. Nagao. NP-completeness results for NONOGRAM via parsimonious reductions. Technical Report TR96-0008, Department of Computer Science, Tokyo Institute of Technology, 1996.

This App uses free sound assets available from the following websites. We acknowledge their substantial contributions with many thanks.

- BGM/Jingle/Sound Effects
Pocket Sound:

- Sound Effects
Music is VFR:
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45 total

What's New

Bug fixes
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Additional Information

April 29, 2020
Varies with device
Current Version
Varies with device
Requires Android
Varies with device
Content Rating
Interactive Elements
Digital Purchases
In-app Products
$0.99 - $7.99 per item
Offered By
Nyahoon Games Pte. Ltd.
10 Anson Road #27-15 International Plaza, Singapore
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