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Scramble |
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Solve |
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Rubic Unbound
| This is Karl Hörnell's fantastic Java implementation
of the classical Rubik's Cube. Twist or rotate by pointing and dragging
in "natural" directions.
Press s to scramble and r to restore (while positioning the mouse cursor somewhere in the applet region). You can visit Karl's site here. |
Mastermind
| Another great game from Karl. The object of this game is to
guess the sequence of four colored pegs the computer has selected at random
from the circled colors in the right field.
You start filling the holes at the bottom row with pegs, and each time you have completed a guess (i.e. filled all four holes) the computer will respond by giving you one peg for each correct color - black if your guess was also in the right place, otherwise white. (But you will not be informed about which colors were correct. That part you will have to figure out for yourself.) If you haven't managed to guess the sequence by your 8th guess, the computer will reveal it to you and the game ends. |
First select which colors you want to play with. (The default set contains blue, green, red and yellow. That's moderately difficult. For obvious reasons you are not allowed to select fewer than two. :-) Clicking on a color in the field on the right will toggle the circle around it on/off, indicating whether it will be part of the set the computer draws from. Then press 'Start' to begin. In case you wish to start all over again, just press 'End' to discontinue the game.
The 15 Puzzle
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Karl has created a simple puzzle here to good effect. Click on scramble to mix up the numbers then drag the numbers arouns so that you have the numbers 1 - 15 in sequence from left to right. If you get stuck then click on Solve and the game will show you how to do it!
Channel 4's Countdown Game
The UK Channel 4 game show "Countdown" includes a section where contestants are required to get an answer as close as possible to a computer generated number by using simple operations (addition, multiplication etc.) on 6 chosen numbers. The problem is that the answer must be given after 30 seconds only!
You can play a great Java version of the game here.