Destiny: House of Wolves (2015, PS4/Xbox One/PS3/Xbox 360) Destiny became a. The Regular Edition comes with 40 puzzles in 1 split up into 4 different difficulties, ranging from Beginner to Expert. The Deluxe Edition has a black playing board, card box in place of the board's own card tray and 60 new puzzles with an extra difficulty: the Grand Master, which is harder than Expert.

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Go – the most difficult board game in the world

Go is not just the most difficult game ever, it is also the oldest board game in the world, as it originated in China more than 5500 years ago. The rules of the game are quite simple but the game takes years to master as there is an infinite number of possible moves for a player and ways the game may unfold.

Go is played by two people, one plays with white stones and the other with black. The goal of each player is to capture as much territory on the board as possible. The board starts out empty and each player has an unlimited number of stoned. The players take turn to place the stones on the board at line intersections. Each player tries to surround as much space with their stones as possible, and prevent the other player from capturing territory. If a player surrounds the territory with the other player’s stones, they are captured. The game is ended when the winning player believes that he can’t make any more moves to capture the territory and players count the empty spaces in their captured territory and captured stones to determine the scores. If you’re intrigued – you can trying playing the most complex board game online.

Bridge – the most difficult card game

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The game of bridge has first appeared in Russia over 300 years ago and today it is popular all over the world with many claiming that it is the hardest card game.

Bridge is played by four players who play in two teams, the players in one team need to sit opposite each other. Every set of card dealt goes through 3 stages of the game called the auction, the play and the scoring. In the first stage each player describes the hand they were handed, the winners from the first stage then try to claim the tricks they need to fulfill the contract stated in the first stage and lastly the players’ cards are scored.

Diplomacy – hardest strategy board game

Diplomacy is a relatively new game compared to our previous two examples, it was released in 1959. This is a board game that uses a map of some parts of the world from 1914, the time of World War I. Interestingly, Diplomacy doesn’t use dice, instead, players have to use their negotiation skills to create and betray alliances with other countries. The countries that players in this game control include England, Russia, Italy, Austro-Hungary, Trance and other superpowers of that time. Two to seven people can play at a time and their goal is to conquer and occupy large cities crucial to the countries they are in. Each country begins the game with two armies and one navy, but Russia has two armies and two navies and Britain has one army and two fleets.

The game is played around two seasons during which players build come up with strategies and build alliances or try to ruin their enemies by misinforming the rest of the countries. Players can also command their military units to move around on the map to conquer territory or support other players. Once the year comes to an end, the players calculate their scores.

Rush Hour is a sliding block puzzle invented by Nob Yoshigahara in the 1970s. It was first sold in the United States in 1996. It is now being manufactured by ThinkFun (formerly Binary Arts).

ThinkFun now sells Rush Hour spin-offs Rush Hour Jr., Safari Rush Hour, Railroad Rush Hour, Rush Hour Brain Fitness and Rush Hour Shift, with puzzles by Scott Kim.

Game[edit]

The Regular Edition comes with 40 puzzles in 1 split up into 4 different difficulties, ranging from Beginner to Expert. The Deluxe Edition has a black playing board, card box in place of the board's own card tray and 60 new puzzles with an extra difficulty: the Grand Master, which is harder than Expert.^[1] The Ultimate Collector's Edition also has a black playing board that can hold vehicles not in play and new way to display the current active card in a billboard like display. The Ultimate Collectors Edition also includes 155 new puzzles (with some of them being from card set 3) and a white limo. The Regular Version includes a travel bag. Extra puzzle card packs (in addition to the 40, 60 or 155 cards included with the game) are also available. Also both the Deluxe Edition and the Ultimate Collector's Edition comes with all new shiny vehicles variant with the Ultimate Collector's Edition ones being slightly altered in design. Then in 2011, the board was changed to black, like the Deluxe Edition but with a card tray and the cards was also changed to have new levels and design to match the new board color.^[2]

Description[edit]

The board is a 6x6 grid with grooves in the tiles to allow cars to slide, card tray to hold the cards, current active card holder and an exit hole. The game comes with 16 vehicles (12 cars, 4 trucks), each colored differently, and 40 puzzle cards. Cars and trucks are both one square wide, but cars are two squares long and trucks are three squares long. Vehicles can only be moved along a straight line on the grid; rotation is forbidden. Puzzle cards, each with a level number that indicates the difficulty of the challenge, show the starting positions of cars and trucks. Not all cars and trucks are used in all challenges.

Objective[edit]

The goal of the game is to get only the red car out through the exit of the board by moving the other vehicles out of its way. However, the cars and trucks (set up before play, according to a puzzle card) obstruct the path which makes the puzzle even more difficult.

Expansions[edit]

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Three official expansions, called 'add-on packs', were released: Card Set 2, which comes with a red sports car that takes up 2 squares; Card Set 3, which comes with a white limo that takes up 3 squares; and Card Set 4, which comes with a taxi that takes up 2 squares. Each set also come with 40 new exclusive challenges—from Intermediate to Grand Master—that make use of the new vehicles in place of (or in addition to) the red car. Additionally, all three of the expansion packs will work with all three editions of the game: Regular Edition, the Deluxe Edition, and the Ultimate Collector's Edition. Also, like the Regular Edition of the game in 2011, the cards of all three expansions were also changed to have new levels and design to match the new board color of the Regular Edition.

An iOS version of the game was released in 2010.

Computational complexity on larger boards[edit]

When generalized so that it can be played on an arbitrarily large board, the problem of deciding if a Rush Hour problem has a solution is PSPACE-complete.^[3] This is proved by reducing a graph game called nondeterministic constraint logic, which is known to be PSPACE-complete, to generalized Rush Hour positions. In 2005, Tromp and Cilibrasi ^[4] showed that Rush Hour is still PSPACE-complete when the cars are of size 2 only. They also conjectured that Rush Hour is still nontrivial when the cars are of size 1 only.

Most difficult configurations[edit]

The hardest possible initial configuration has been shown to take 93 steps. A shortest solution can be seen on the right.^[5]If you count the necessary moves instead of the steps, the most difficult start configuration in this sense requires 51 moves.^[6]

See also[edit]

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• Klotski (or Chinese: Huarong Dao), a similar sliding block puzzle

References[edit]

1. ^'Official Rush Hour Deluxe Edition Page'. ThinkFun. Retrieved 2019-09-24.
2. ^'Official Rush Hour Page Archive'. 2011-07-09. Archived from the original on 2011-07-09. Retrieved 2019-09-24.
3. ^Gary Flake and Eric Baum (2002). 'Rush Hour is PSPACE-complete, or why you should generously tip parking lot attendants'. Theoretical Computer Science. 270 (1–2): 895–911. doi:10.1016/S0304-3975(01)00173-6.
4. ^John Tromp; Rudy Cilibrasi (2005). 'Limits of Rush Hour Logic Complexity'. arXiv:cs/0502068.
5. ^Collette, Sébastien; Raskin, Jean-françois; Servais, Frédéric (May 2006). 'On the Symbolic Computation of the Hardest Configurations of the RUSH HOUR Game'. Computers and Games: 5th International Conference, CG 2006, Turin, Italy, May 29–31, 2006. Revised Papers. Lecture Notes in Computer Science. Turin, Italy. 4630: 220–233. CiteSeerX10.1.1.91.3487. doi:10.1007/978-3-540-75538-8_20. ISBN978-3-540-75537-1.
6. ^Michael Fogleman (July 2018). 'Solving Rush Hour, the Puzzle'. How I created a database of all interesting Rush Hour configurations.