Sorting 
Puzzle 
Logic 
Mechanical What is Nuts And Bolt Sort?
A mechanical-themed combinatorial puzzle. Manually sort colored nuts between industrial bolts until each bolt reaches a monochromatic state.
How to Play
Click on a nut to select it and then click on a destination bolt to move it. The gameplay is Color Homogenization: you can only move a nut to an empty bolt or on top of a nut of the matching color. Interaction involves Space Constraint Management—each bolt has a finite capacity (usually 4 units), requiring the player to strategically use empty "Buffer Bolts" to reorganize deep-stack colors.
Pro Tips
Strategic use of "Buffer Bolts" is essential. Since each bolt has a finite 4-unit capacity, you must plan multi-step reorganizations of deep-stack colors.
Frequently Asked Questions
What happens if I fill all bolts?
This is a "Deadlock State." You must use the "Undo" function or watch an ad to "Add an Extra Bolt" to break the loop.
Are there hidden colors?
In "Mystery Mode," some nuts are greyed out until the one above is moved, requiring "Probabilistic Planning."
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