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Unique 3D slider puzzle that looks like a rubics cube.

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This is NOT another Rubic's Cube. It's a whole new kind of puzzle...a slider, not a twister. A 3x3x3 arrangement of cubelets with the center one missing allows sliding permutations. After a randomization, the goal is to restore the cube to its original configuration based on color and alphabetic hints. Written in Ada and compiles on Windows, OS-X or GNU/Linux. Nice laptop controls and support for Mac Retina displays. Requires OpenGL v3.3, and on Macs a recent version of OS-X. Now with mouse wheel zoom (2-finger swipe on MacBooks).

See also the smaller 2x2x2 version called SevenSlider.

Works on Windows, Macs running OS-X and PCs running GNU/Linux.

See also:

rufascube Web Site


  • Mac-Binary-Bundle now included!
  • Any machine with GNAT can build rufascube! But first see if the delivered binaries run.
  • Windows, GNU/Linux and OS-X binaries provided, as well as full source.
  • Laptop-friendly controls; supports high DPI mode on Mac Retina displays.
  • To move a cubelet on a laptop, position cursor, then hit the return key, or on a MacBook, you can use a 2-finger pad click.
  • Challenging, but not as difficult as a Rubic's cube. Here, diligence pays off.
  • Incremental solution is can unscramble one slice at a time...HINT: you might leave the middle slice until last, since it ultimately contains the blank space.
  • When you finish, you can see the entire english alphabet appear in order on the [outer] 26 cubelets. The space ends up in the center.
  • Three "skins" available: RufasCube, RgbCube, or iQube color inversion.
  • Autosolver <s-key> works if used immediately after a randomization.


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