Connect Four (also known as Four Up, Plot Four, Find Four, Captain's Mistress, Four in a Row, Drop Four, and Gravitrips in the Soviet Union) is a two-...
Connect Four (also known as Four Up, Plot Four, Find Four, Captain's Mistress, Four in a Row, Drop Four, and Gravitrips in the Soviet Union) is a two-player connection board game, in which the players choose a color and then take turns dropping colored discs into a seven-column, six-row vertically suspended grid. The pieces fall straight down, occupying the lowest available space within the column. The objective of the game is to be the first to form a horizontal, vertical, or diagonal line of four of one's own discs. Connect Four is a solved game. The first player can always win by playing the right moves.
The game was first sold under the Connect Four trademark by Milton Bradley in February 1974.
Connect Four is a two-player game with perfect information for both sides. This term describes games where one player at a time plays, players have all the information about moves that have taken place and all moves that can take place, for a given game state. Connect Four also belongs to the classification of an adversarial, zero-sum game, since a player's advantage is an opponent's disadvantage.
One measure of complexity of the Connect Four game is the number of possible games board positions. For classic Connect Four played on 6 high, 7 wide grid, there are 4,531,985,219,092 positions for all game boards populated with 0 to 42 pieces.
The game was first solved by James Dow Allen (October 1, 1988), and independently by Victor Allis (October 16, 1988).
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DOWNFALL
Downfall is a two-player game for players aged 7 and older, first marketed by the Milton Bradley Company in 1970.
The game consists of a vertical b...
Downfall is a two-player game for players aged 7 and older, first marketed by the Milton Bradley Company in 1970.
The game consists of a vertical board with five slotted dials on each side. Each player starts with ten numbered tokens or discs at the top of the board. The object of the game is to move the discs to the bottom of the board by turning the dials. Players alternate turns moving the dials and cannot move a dial that their opponent has just moved. The winner is the first player to move all of their discs into the tray at the bottom. An advanced version of the rules dictates that the discs arrive in the tray in numerical order.
Since neither player can see the other's board, it is common to inadvertently advance - or hinder - the opponent's gameplay. The game rewards forward thinking and planning; players may try to "trap" their opponent into turning a dial that will advance their own disc, while trying to ensure that their own discs are not caught and dropped out of order.
The game is currently available in the UK under the name New Downfall, manufactured and marketed by Hasbro. The new version follows the same rules but has a more futuristic design in red and yellow.
The game's box art is parodied on the cover of Expert Knob Twiddlers, an album by Mike & Rich (Mike Paradinas & Richard D. James).
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