0h h1

Balance two colors using three simple rules.

0h h1 Introduction

What it does

0h h1 is a binary logic puzzle by Q42 and Martin Kool. Fill the grid with two colors while keeping every row and column consistent.

Getting started

Never place three identical colors together, keep equal numbers of both colors in each row and column, and avoid duplicate rows or columns.

Pricing and limitations

The publisher offers free play and daily puzzles. Donations and optional Google Play achievements are separate from the basic puzzle.

Sources and review

GameNubi editorial listing. Information checked against the official website on 2026-10-19. Features and allowances may change; check the provider's current terms before signing up.

Frequently asked questions

What is 0h h1?

Balance two colors using three simple rules.

What is the pricing model?

Free. Check the official website for current plans, limits and pricing.

Which platforms does it support?

Web

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