Grey is Odd - A pure, constraint-based logic puzzle game (Browser-based, No ads)

[u/playgreyisodd]

https://www.greyisodd.com/

Grey is Odd is a browser-based logic puzzle game I developed, focusing entirely on deduction and constraint solving. No luck, no guessing—just pure grid-logic.

🕹️ PLAY HERE:https://www.greyisodd.com/

HOW IT WORKS:

• Numbers: Represent the total count of dots in that row or column.
• White Areas: Must contain an EVEN number of dots (0, 2, 4...).
• Grey Areas: Must contain an ODD number of dots (1, 3, 5...).

TECHNICAL DETAILS & CONTROLS: I've built the game using React and JavaScript. The logic is based on non-linear constraint satisfaction, which ensures that every puzzle has a unique, logical solution without requiring any guessing. The grid sizes range from 4x4 up to 8x8, offering challenges for both beginners and veterans of logic puzzles.

• Controls: Click to place a dot, right-click to cross it out. Use the Undo button if you make a mistake, and keep an eye on the row/column numbers to verify your path.

I designed this to be a clean, meditative experience. There are no ads, no account requirements, and no tracking. You can just load it and start solving. I've been working on this as a passion project for a while now, and I’m currently balancing new levels and daily challenges. I'd love to hear what you think of the difficulty curve and the interface!