15challenge by nuvolabs

by via_web   on September 3, 2010
Filed under App DB, Entertainment, Games, iPhone Apps

Dwnld iTunes bdg V wht88x48 15challenge by nuvolabs

This app contains an impossible version of the old 15 puzzle (that is, it starts in a mathematically-proved unsolvable mode). Make your friends try and re-try in the unsolvable mode, they will never succeed in solving the puzzle. When it’s your turn, press the invisible (hidden) button and you will be able to solve it easily.
It works like this:
- by pushing the “shuffle” button it starts in the unsolvable mode;
- by pushing at the same time the “shuffle” button and the invisible button on the left, it starts in the solvable mode. A small fly on the right top corner of the screen indicates that the normal mode is active.

Videos: http://www.youtube.com/watch?v=tkKZxN7bUIg&feature=channel

Developer Website: http://www.nuvolabs.net/apps-1/15challenge


3 Responses to “15challenge by nuvolabs”
  1. maio says:

    ah ah ah. really nice, strange that nobody had this idea before. must have.

  2. Bobisbob says:

    I had the old plastic version of the 15 puzzle and I remember me removing the tiles and
    rebuild the puzzle in the impossible setting.. Now
    I have the digital version!! Great!!

  3. dyland says:

    this app is brilliant. ’nuff said.


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