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Illustration—not actual gameplay: a dark logic grid with blue and yellow tiles.

Puzzle

0h h1

Fill a two-color grid with balanced, distinct rows and columns.

by Q42 / Martin Kool

Play

Opens on 0hh1.com

Report / request for this game

Collected link — not evaluated. Desktop tutorial checked · mobile play unverified. No child-suitability or successful gameplay claim.

About this game

Three rules constrain the board: no run of three identical colors, equal counts of the two colors in each row and column, and no duplicated full row or column. The official site identifies this logic form as Takuzu or Binary Sudoku.

Objective

Complete a grid satisfying all three color constraints.

Progression

Choose a board size and resolve cells using row and column constraints.

Guide based on official sources; this is not a new gameplay or mobile compatibility test.

Open play page

Game languages
? — Game language not verified; not inferred from website or title.
Last recorded check
2026-10-29
Desktop
tutorial_interaction_checked
Mobile
Not checked
User ad reports
No public ad-report summary. Ads may exist.
Age rating
Not verified
AI use (optional creator information)
Not documented. AI use is not required for listing.

How to play

Click or tap a tile to change its color. In the observed blue/yellow tutorial, one click made an empty tile yellow and two clicks made it blue.

Image credits

Original HopJelly illustration. Illustration — not actual gameplay. No original game artwork copied.

External games, ads and content may change. A review is not an age rating or safety certification.