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Minesweeper (video game)

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Minesweeper is a logic puzzle video game genre. It is commonly played on personal computers. The game uses a grid of clickable cells. Some cells hide mines, which often look like naval mines. The player's goal is to clear the board without hitting a mine. To win, you must open every cell that does not contain a mine. While the game has no score, a timer tracks how fast you finish.

Kmines Expert Game with Numbers 1-8
Kmines Expert Game with Numbers 1-8

Gameplay relies on deduction and careful clicking. Cells exist in three states: unopened, opened, and flagged. An unopened cell is blank and ready to be clicked. An opened cell is exposed to reveal information. A flagged cell is marked by the player to show a suspected mine. If a player clicks a mined cell, the game ends. If the cell is safe, it shows a number. This number indicates how many mines are adjacent vertically, horizontally, or diagonally.

Kmines Expert Game with Numbers 1-8
Kmines Expert Game with Numbers 1-8

Players use these numbers to find safe paths. A blank tile, or "0", means no mines are nearby. When this happens, all adjacent non-mined cells open automatically. Players can also use a technique called chording. This occurs when the number of adjacent mines equals the number of adjacent flags. Chording automatically opens all nearby unopened, non-flagged cells. The game also provides a minecount. This is the total number of mines minus the number of flags placed.

Kmines Expert Game with Numbers 1-8
Kmines Expert Game with Numbers 1-8

Difficulty levels change based on grid size and mine density. Most variants offer three standard configurations. The Beginner setting uses an 8x8 or 9x9 board with 10 mines. The Intermediate setting uses a 16x16 board with 40 mines. The Expert setting is much larger, using a 30x16 board with 99 mines. Players can often customize these settings. Competitive players aim for the fastest times possible. They often memorize specific patterns to increase their speed.

Kmines Expert Game with Numbers 1-8
Kmines Expert Game with Numbers 1-8

The exact origins of Minesweeper are a subject of debate. TechRadar suggests Microsoft created it in the 1990s. However, Eurogamer notes that Mined-Out, made by Ian Andrew in 1983, may have inspired it. Curt Johnson and Robert Donner wrote the Microsoft version. It first appeared in 1990 within the Windows Entertainment Pack for Windows 3.11. Johnson admitted the design was borrowed from another game. He did not confirm if it was Mined-Out.

Kmines Expert Game with Numbers 1-8
Kmines Expert Game with Numbers 1-8

Many different versions and clones exist today. Minesweeper X is a popular clone for fast players. It offers better randomization and detailed statistics. Other versions like Arbiter and Viennasweeper serve similar purposes. Some games have included Minesweeper as a minigame. RuneScape features a version called Vinesweeper. Minecraft included a version called Minescreeper in an April Fools' update in 2015. There are even paper versions of these logic puzzles. These are sometimes called "tentaizu," which means "star map" in Japanese.

Kmines Expert Game with Numbers 1-8
Kmines Expert Game with Numbers 1-8

In 2001, the International Campaign to Ban Landmines requested changes. They felt the mine theme was offensive to victims. In response, Windows Vista offered a tileset with flowers instead of mines. This shows how games can adapt to social concerns. Even the math behind the game is complex. In 2000, Sadie Kaye proved that determining if a board is solvable is NP-complete. This is a high level of computational difficulty. She also proved that "infinite" Minesweeper is Turing-complete.

Kmines Expert Game with Numbers 1-8
Kmines Expert Game with Numbers 1-8
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