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Imagine an alien Sudoku where the numbers are elements.
Coming soon: 10 Nov 2026
Imagine an alien Sudoku where the numbers are elements. Figure out which element to place on the grid, where, and when!? In order to maintain balance, each element must harmonize with the others. “Aliens don't play Sudoku—they play COSMIC HOLES!” For adults and children.
Developed by Fabien Corblin · Published by Fabien Corblin
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300 logical problems of increasing difficulty.
A relaxed atmosphere in a space universe.
Dynamic laws governing the 5 elements of Chinese cosmology.
4 logical rules to follow.
A thousand stars to collect for surprises.

A much smoother progression of difficulty.
Additional game aids.
No more sentinel enemies (which appeared when you were too fast in COSMIC HOLES).

“Aliens don't play Sudoku—they play COSMIC HOLES!”
| Platforms | Windows, Linux |
|---|---|
| Age ratings |
|
| Controller support | PlayStation, Xbox |
| Controller required | No |
| Demo | View demo on Steam |
| Website | Official website |
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