mindGames

an eclectic collection of games to pass the time and challenge the mind

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Board games

1check

Help

The purpose of this game is to remove maximum number of pieces from the board.

Layout

48 pieces are laid out along the border of an 8x8 square.

Aim

Remove pieces like in a normal checkers game. Move diagonally jumping over a piece into an empty square removing a piece in this process. Only one piece may be removed in one move. It is fairly easy to remove 30 to 39 pieces. It is challenging to remove 40 to 44 and a substantial achievement to remove 45 to 47.


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A2Bflip

Help

A2Bflip, derived from Japanese puzzle game Masyu, is played on a grid of squares, some of which contain 'mirrors'. The goal is to connect circles A and B:

  1. Go from A to B with a single continuous line
  2. Must use all mirrors
  3. Line turns right angle at a mirror
  4. Cannot use a mirror twice
  5. Cannot pass through a cell twice
  6. Cannot turn in any cell without a mirror

  7. To navigate:
    • Click A to set the start direction
    • Click a mirror to flip direction
  8. Features:
    • Create new puzzles automatically with different grid sizes from 5x5 to 20x20
    • Solve existing puzzles interactively or on paper
    • Print puzzles and solutions
    • 20,000 puzzles with solutions are provided
Download Puzzles

Abalone

Help

Two-player, strategy game Abalone was invented in 1990 by Laurent Levi and Michel Lalet. The concept of the game is based on the popular Japanese Sumo wrestling.

Layout

The board is a hexagonal field representing the Sumo arena. There are 4 interlaced different size hexagons, where the most exterior hexagon has 5 circular locations at each side. In the middle there is a single location. As a total, there are 61 circular board locations. Each player has fourteen pieces that can rest in these locations. In initial game position Green pieces are at the top three rows, and Red is at bottom three rows.

Start

Starting from the initial configuration, each player takes a turn. During a turn, a player can shift one, two, or three pieces together in any of the six directions, provided that there is an adjacent space, i.e., in line or broadside. Furthermore, whenever a player has a numerical superiority in a line (three to two, three to one, or two to one), during a turn the player is allowed to push the opposing marbles with an inline move.

Aim

Players take turns "pushing" 1, 2 or 3 linearly connected pieces, attempting to push their opponents' pieces off the board. First player to push 6 of their opponent's pieces off the board wins. One of the players can be the computer.

For detailed instructions and strategies for play see numerous Abalone sites on the Web.

Awari

Help

This is an ancient game from Africa. Try to capture opponents pieces. Requires visual thinking and some math skills.

Layout

This game is played between two players with a number of beads in 12 boxes, 6 boxes on your side (at the bottom) and 6 boxes on computer's (side at the top). There are two banks as well, one for you on the right, and one for the computer on the left.

Start

At the start of each game you can select the number of beads in each box. Left click on a box or use TAB and RETURN key to select a box. Right click on a box view how beads will be distributed if that box were to selected for play.

Aim

The purpose of the game is to move maximum number of beads into your bank. You make your move by taking all the beads from a box on your side and deposit one bead at a time in each box anti-clockwise. If the last bead is put in your bank you get an extra move. Also if the last bead is put in an empty box then you take all the beads in the opposite box. The game ends when all the boxes on your or computer side have been emptied. The player with most beads in the bank wins.


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Boxes

Help

Occupy a square by placing bars on each side of a square in the grid. Some sides are fixed already. You play against the computer.

How to Play

  1. Left click on an open side to occupy, right click to clear
  2. Game is over when all squares have been occupied
  3. Player with most squares wins

Main features of this program are:


  1. Four to 20 square grid
  2. Select display colour schemes

Circolar

Help

Rotate three rings to align three segments of same colours. Each ring has eight segments. Three colours are distrubuted randomly in each segement with some colours duplicated. As you rotate a ring left or right, all colours in it rotate accordingly. You are required to get three segments, each of a different colour aligned correctly. With careful thinking any random puzzle can be solved in three to four rotations. Note that a solution must have three segments of three different colours.

How to Play

  1. Left click on a ring to rotate all colours in the ring clockwise
  2. Right click on a ring to rotate all colours in the ring anti-clockwise

ColoRama

Help

ColoRama is a 4-in-a-row clone with the same addictive quality. You are required to move and line up pieces in a row or a column of a grid. Grid size can be 6x6 to 10x0. Must make a 5 piece line in 10x10 and 9x9 grid, and a 4 piece line in 8x8, 7x7 and 6x6 grids.

Rules

  1. Click and dragdrop a piece to a new location on the grid, the destination location must be reachable with horizontal and vertical moves.
  2. A line must be a set of four or more similar pieces lined up vertically or horizontally
  3. Must make a 5 piece line in 10x10 and 9x9 grid, and a 4 piece line in 8x8, 7x7 and 6x6 grids
  4. After you make a move, a set of three pieces will be placed randomly on the board
  5. If you make a line, you get an extra move - three pieces will not be placed
  6. You must make a move within a minute, three pieces will be placed after the timeout
  7. Pieces in a line will be removed from the grid
  8. You will get a wild-card piece (white) if you make three or more lines before the timeout
  9. A wild-card piece can be combined with any other three or more similar pieces to make a line

Conquer

Help

In this classic game of military strategy, you battle to conquer a Map of Areas and Regions. To win you must eliminate your opponent by occupying every Area in the Map. The first player to do so wins the game.

The computer simulates the Conquer game for two or three players. A number of Maps are provided, however any other suitable map may also be used. A companion program for making new maps is available free on request.

Dodge

Help

Try moving all your pieces across the board from bottom to top. Computer plays left to right.

Layout

On a square board, 3 to 7 pieces are placed at the bottom and n the left column. You play with the pieces at the bottom row and the computer plays with the pieces in the left column.

Start

On a square board, 3 to 7 pieces are placed each at bottom row and left row.

Aim

The purpose of this game is to move all your pieces to the opposite side of the board. The winner is the player whose pieces have all been moved to the opposite side. The players go in turn moving one of its pieces to an adjacent empty position. You can move Up, Right, or Left. There are no diagonal moves, no jumps or captures. If your pieces leave no place for computer to move, you lose.


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FlipFlop

Help

Flip all discs to a given colour. The board starts with a set of discs placed on a grid. Discs are are of two colours. When you flip a disc, the disc and its four neighboring discs are changed to the opposite colour. A disc can be flipped once only. Puzzle is solved when all the discs are of the same target colour.

How to Play

Consider part of a grid as below (B=Black disc, R=Red disc). You are required to change all RED discs to BLACK:
        R
        |
    R---B---R
        |
        B

Clicking B in the middle will change the board to:

        B
        |
    B---R---B
        |
        R
Note that a disc, once clicked cannot be used again to flip colours of its neighboring discs. Continue flipping until all discs are of the target colour.

Main features of this program are:

  1. Four to 16 size puzzles
  2. Create new puzzles of given sizes
  3. Undo moves ;right click on the board or use undo button
  4. Let computer show the solution
  5. Select colour schemes and disc types
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Guesswhat

Help

This is a two-player guessing game. Each player takes turns trying to guess the other player's choice. You can play against the computer.

Layout

At the start of the game, the screen displays a set of objects, usually 16 to 20. These objects look alike but differ in certain characteristics. Computer and the player selects one object from the ones displayed.

Aim

The object of the game is for you to guess what computer has selected and for the computer to guess you choice.

How to play

You have to find out computer's choice before the computer guesses yours. You eliminate potential candidates by asking questions about object characteristics. For example, when "persons" are displayed you may ask whether a person is a male or female. Depending on yes or no answer, you can eliminate a group of objects on the screen. Once you have eliminated all the objects but one, then you know what computer had selected. Computer and you take turns asking questions. You start first.


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Hex

Help

A simple game, yet of surprising mathematical subtlety. Complete your chain before computer does.

Layout

Hex is played on a diamond-shaped board made up of hexagons. The number of hexagons may vary, but the board usually has 11 on each edge. Two top and bottom opposite sides of the diamond are labeled red, while the hexagons at the left side and right side are green. One player plays with green pieces while other with red. The players alternatively place one of their pieces on any one of the hexagons, provided the cell is not already occupied by another piece.

Aim

The objective of the Hex game is to complete an unbroken chain of green pieces between the left side and the right side. While red tries to complete a similar chain of red pieces between the top side and the bottom side.

The chain may freely twist and turn. The players continue placing their pieces until one of them has made a complete chain. The game cannot end in a draw, because one player can block the other only by completing its own chain. These rules are simple, yet HEX is a game of surprising mathematical subtlety.

How to play

In this computer game, computer always plays red. Green usually starts first unless overridden. Left-click in a cell to place a green place. If you wish computer to start first, right-click on any cell on the board.


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Liteit

Help

This programs helps you solve existing LiteIt puzzles as well as create new ones. LiteIt consists of a grid comprising empty cells, black cells, and cells with numbers 0 to 4. Challenge is to:

  • Illuminate all the empty cells by placing -light bulbs- at empty locations
  • A bulb placed at a cell will light up all the cells in its row and column
  • No two bulbs must face each other
  • A numbered cell must have exact number of bulbs around the cell, eg a cell with number 1 must have one and only bulb around it etc. Cell with number 0 cannot have any bulb around it

Sounds simple but hard to figure out. Keep learning and have fun. This program has a puzzle size limitation of maximum 20 rows and 24 columns.


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Lls

Help

In this game there are two L's. You have green L, the computer has red L. The purpose of this game is to position your L in a manner that the opponent is not able to move its L to another position. There are also two blue boxes that you can place on any empty position after you have placed your L. Use Blue Boxes to block opponents choices for moving the L.

This game requires considerable visual thinking and it is rather hard to beat the computer.


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Ludo

Help

The rules are as follows (English version): a game for 2, 3 or 4 players

Layout

Game has one playboard, 1 dice, 16 counters (4 sets of colors).

Four Player squares are on the left four quadrants. home bases are in the middle. Computer program has a play log on the left top showing dice thrown and actual play. Bottom right hand has a count of dice thrown for each player. Bottom line is the command line for making moves for human players.

Aim

Players in turn, race each other around the circuit to be the first to get all of their counters to the home base. When counters are knocked off they are returned to the starting square.

How to play

Each player picks a set of counters and places them in the Starting Squares of the same color. Take it in turns to throw. You must throw a 6 before you can move a piece onto the track. Every time you throw a 6 you get another throw and you can move any one counter to the number shown on the dice.

If your Counter lands on one of your opponent's they are knocked off and returned. If one of your counters lands on top of your counters this forms a block. Your block cannot be passed by any of the opponent's pieces. When a counter goes all the way round the board it can enter the h column. To land in the home triangle you must throw the exact number. The winner is the first player to get all four counters into the home triangle.


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Makebridge

Help

MakeBridge is 2-player game. Try make a bridge from left to right. You play against the computer. Computer goes vertical.

Layout

Game is played on a 13x13 grid. Alternative cells in the grid are filled with X's and O's.

Aim

The object of the game is for the human player to connect O's and go from first column on left to last column on right. Computer goes from top to bottom by connecting X's. O's and X's must be connected in a chain without crossing other player's chain. Any two O's or any two X's may be connected anywhere on the board. First player to make a chain wins.


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Masterm

Help

Welcome to the ancient game of Master Mind. This version of the game is played with a set of maximum 16 colours.

Aim

The purpose of the game is to deduce the arrangement of a selection of colours and their positions. The computer selects a row of colours from a set. You are then required to pick colours from this set and position them in a row. The computer matches your row with the one selected. The number of correct colours selected and the number of correct colours in correct positions are shown. You repeat this process until you deduce all the colours and their positions correctly.

How to play

To pick a colour place mouse on the colour, press left-button and drag the colour to the desired position and release left-button to place. Default number of colors to guess is 6 in 4 positions. You can change these numbers for a variety of game difficulties.


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Maze

Help

This program generates a maze for you to solve. Each maze generated has a unique layout and only one open path from start to finish.

Layout

A maze can be from 5 columns, 5 rows upto 26 columns and 18 rows.

Aim

You play with the computer. Try and beat the computer by going from the bottom of the maze to the top. The computer "monster" will move from top to bottom. To win you must avoid the monster and get to the top before the monster exits from the maze.


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Mirrors

Help

Mirrors, derived from Japanese puzzle Masyu, is played on a grid of squares, some of which contain 'mirrors'. The goal is to draw a single continuous non-intersecting loop that properly passes through all cells. Rules of the puzzle are:

  1. Some cells in the grid contain 'mirrors' of the following type:
    • Blocked - a line cannot pass through such a cell
    • Tunnel - a lines must pass in the direction of the tunnel, vertical or horizontal
    • Reflection - a line must reflect at right angle
  2. In an open cell without any mirror, line can go vertical, horizontal or at right angles
  3. Only one line can go through a cell


Like many other combinatory and logic puzzles, Mirrors can be very difficult to solve.

Main features:

This program helps you solve existing Mirrors puzzles as well as create new ones. Main features of this program are:

  1. Create new puzzles manually or automatically; automatic creation offers puzzles with different grid sizes from 7x7 to 20x20.
  2. Solve existing puzzles manually or let program solve it
  3. Create new puzzles interactively or in bulk
  4. Print puzzles and solutions
  5. 20,000 puzzles with solutions are provided
Download Puzzles

MirrorMaze

Help

MirrormMaze, derived from Japanese puzzle Masyu, is played on a grid of squares, some of which contain 'mirrors'. The goal is to draw a single continuous non-intersecting loop that properly passes through all cells. Rules of the puzzle are:

  1. Some cells in the grid contain 'mirrors' of the following type:
    • Blocked - a line cannot pass through such a cell
    • Tunnel - a lines must pass in the direction of the tunnel, vertical or horizontal
    • Reflection - a line must reflect at right angle
  2. In an open cell without any mirror, line can go vertical, horizontal or at right angles
  3. Only one line can go through a cell

Like many other combinatorial and logic puzzles, Mirrors can be very difficult to solve.

Main features:

This program helps you solve existing Mirrors puzzles as well as create new ones. Main features of this program are:

  1. Create new puzzles manually or automatically; automatic creation offers puzzles with different grid sizes from 6x6 to 15x15.
  2. Solve existing puzzles manually or let program solve it
  3. Create new puzzles interactively or in bulk
  4. Print puzzles and solutions
  5. 20,000 puzzles with solutions are provided
Download Puzzles

Moneydrain

Help

Line up the black boxes to form a drain and take your money down as fast as possible.

Layout

A 10x12 grid with 12 pieces to start (6 green and 6 red). Pieces move down into empty spaces.

Aim of the game

Move a row left or right to align empty spaces underneath. Try to move green pieces to row 12 as fast as possible. Computer plays against you.

How to play

Click left or right arrow to shift left or right a row with pieces. The game appears simple but needs considerable visual thinking and planning ahead.


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Mutorere

Help

This game is played on a nine star board. There are ten circles on the board, one in the centre and nine around the centre circle. User player plays against the computer. Each player has four stones each. User has green and computer has red stones.

How to play

Each player takes alternate turns, moving one stone at each move. Rules for moving a stone are:

  1. Move sideways to an empty circle
  2. Move from centre to any empty circle
  3. Move to centre if centre is empty

The game is won by the player if the opponent cannot move any of its stones.


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nCheckers

Help

nCheckers is a Checkers game with a twist. Ideal for mathematically minded, with plenty of time to spare. Following are the variations in nCheckers game as compared with the standard Checkers:

  1. Board: Size can be 6x6, 8x8, 10x10, or 12x12. Each piece has a random value associated with it. For example an 8x8 board will have 12 pieces per player with values -6 to -1 and 1 to +6.
  2. Moves: Pieces move as per standard Checkers rules.
  3. Scoring: Each player starts with a score of 100. When a piece is captured, the value of the captured piece is added to the player score.
  4. End Game: The game ends when a player pieces are unable to move or a player is left with no pieces. At the end of a game, values of remaining pieces of each player are added to its score. Player with the higher score wins. Therefore, a player may have no pieces left but may still win.
  5. Strategies: Standard Checkers strategies will not work in nCheckers. Some hints for winning are: capture positive value pieces; sacrifice negative value pieces; try to transform negative value pieces to Kings; and try to block opponent pieces when you have a superior score

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Nim

Help

Nim means "to take away". This game is played between two players, the computer and yourself. A number of disks are placed in three piles. Computer randomly places upto 16 disks in each of these piles. The game then begins.

Aim

You and the computer take turns and remove disks from a pile. You select a pile on your turn and remove one or more disks from it. Computer does the same on its turn. Remember that in any move disks from only one pile may be removed. You cannot skip a move. You always start first.

The player who picks up the last disk loses.

How to play

In order to remove disks place mouse cursor on the disk pile at appropriate position and click. You can change the number of piles and the number of disks in a pile. Press "Size" option first. Then click left/right mouse button on the pile size to set the number of disks.


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PushPair

Help

Push all the dark circles into the right hand side column.

How to Play

  1. Click arrows at the top or bottom of a column. Circles in the column will be shifted up or down.
  2. Position cursor in the middle of the two columns (two lines will appear) and click. Two circles, shown connected by each line will be swapped.
  3. Circles in columns are shifted up or down by one
  4. right and right column circles are swapped in two's
  5. Puzzle is solved when all the drak circles have been shifted to the right hand size column


Main features of this program are:

  1. Five to ten circles size puzzles
  2. Create new puzzles of given sizes
  3. Undo moves
  4. Let computer show the solution
  5. Select colour schemes

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RedOut

Help

You are required to clear the entire column above the red arrow. Grid is populated with horizontal (green) and vertical shapes (blue). Move these shapes around to get the red arrow up and out. Grid size is 6x6 to 20x20. 20,000 puzzles with solutions are provided with this program. Most puzzles are rather easy to solve but do require considerable visual thinking and planning.

How to Play

  1. Horizontal shapes move left or right only. Left click on a shape to move left, and right click to move right.
  2. Vertical shapes move up or down only. Left click on a shape to move up and right click to move down.
  3. You can also move mouse over a shape (no clicks) and click on an empty location to move the shape to the location clicked

Program Options

  1. Save and reload puzzles
  2. See solution with pause or no-pause
  3. Use one of 20,000 puzzles or let program create one at random
  4. Set display colour schemes
  5. 20,000 puzzles with solutions Download
  6. Set display colour schemes

ShopAround

Help

ShopAround, a variant of Nicoli's Masyu game is played on a rectangular grid of cells. One cell is designated as Home. The remaining grid has a set of Shops and Gas Stations. The purpose of this game is to start from your home and return home after visiting all the shops and gas stations in the grid. Following rules will apply:

  1. The trip must be in a single loop, starting and ending at home
  2. Cannot go through a cell twice
  3. Lines must pass through all cells containing shops and gas stations
  4. Lines passing through a shop must go straight through the cell
  5. A line reaching a gas station must make a right angle turn (left or right) at the station
  6. Must go to a gas station at the start and at the end of the trip
  7. Cannot go to two shops or two gas stations consecutively

Like Masyu, this puzzle can be rather difficult to solve. This program helps you solve existing puzzles as well as create new ones. Main features of this program are:

  1. Create new puzzles manually or automatically; automatic creation offers puzzles with different grid sizes from 5x5 to 10x10.
  2. Solve existing puzzles manually or let program solve it
  3. Create new puzzles interactively or in bulk
  4. Save puzzles as Ascii or bitmap files
  5. Print puzzles and solutions
  6. 20,000 puzzles with solutions Download

tangrams

Help

This is an ancient Chinese game of "Seven Tans" called tangrams. Making tangrams demands considerable imagination, visual thinking and patience.

Layout

A Tangram is made of seven parts of a square that has been divided into 2 large triangle blocks, 1 medium triangle, 2 small triangles, 1 square, and 1 parallelogram block.

Aim

The purpose of this game is make a given pattern with different combination of the seven blocks of the square.

Rules

You may rotate and flip each block and put them alongside each other. A block however may not overlap another. All seven blocks must be used, and no block(s) should be left isolated. You are provided with the tangram to make on the right hand side windows. The left hand side window has the seven blocks which you move with the left mouse button or rotate with the right mouse button to construct the required tangram.


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TurnIn

Help

Fill in all the empty circles in a wheel with given disks. You turn the wheel, position an empty circle at the top and then drop in the disc.

How to Play

There are three empty circles in the wheel and there are three discs marked 1,2 and 3. The number on a disc gives the numbers of circles you can turn the wheel, left or right.
  1. For example you pick disc 1
  2. Now you can rotate the wheel by one turn left or right
  3. Say you turn right by one; an empty circle will appear at the top
  4. The disc selected can then be placed in the empty location
  5. Now two more circles remain to be filled
  6. Say next you select disk marked 2
  7. You can turn left or right by 2, if turned right and empty circle will be positioned at the top
  8. Disc marked 2 can be placed in the empty circle
  9. Disc 3 remains which obviously can be placed by turning the wheel left by 3
  10. Now all empty circles are filled and the puzzle is solved
  11. Not that an empty circle must be positioned at the top to drop a disc. For example in the very first move if you select disc 3 and the turn the wheel left (by 3). The disc cannot be dropped as this move will not make an empty circle position at top.
  12. Discs can be selected in any order

This puzzle required careful thinking and advanced planning as to the order in which the discs must be used to fill all the empty circles. Use mouse to navigate and solve:
  1. Left click on a disc to select (in the top row)
  2. Click L or R to move the wheel left or right
  3. Disc will fall into the empty circle if one appears at the top after rotation
  4. Click on an empty circle in the wheel to see how many rotations (left or right) will be needed to position the empty circle at the top

Main features of this program are:

  1. Five sizes with eight circles in the wheel (very easy) to 24 circles. Click on the number of circles box to select a size
  2. Create new puzzles of given sizes
  3. Undo moves
  4. Reset puzzle
  5. Let computer show the solution
  6. Select colour schemes and font names

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