PUZZLE / BROWSER PROJECT
0h h1
Fill a grid with two colors using binary-logic rules. Avoid three matching tiles in a line and keep rows and columns balanced and distinct.
0hh1.com
Before you open it
- JavaScript enabled
- Click the opening title if the splash screen remains visible
- No account or game files requested for the checked entry
Getting started
- Open the original release and dismiss the introductory title screen.
- Choose How to play or Free play and follow the tile tutorial.
- Choose a size. Keep each row and column balanced, avoid runs of three, and avoid identical rows or columns.
What we checked
Dismissing the opening title and selecting Free play displayed the tutorial grid and puzzle-size choices. We inspected the 4x4 entry; a completed puzzle and daily mode were not tested.
Desktop Chrome ยท October 10, 2026
Color themes may change the displayed colors, so follow the two-color logic rather than a specific red/blue palette. Daily puzzles and optional account features were not checked.
Current instructions on the original project (opens in a new tab)Independent editorial pick; not attributed to Radiant Optimizer.