8Soluna — free Tango-style logic puzzle 8Soluna is a free logic puzzle game in the style of Tango. Fill a grid with two symbols — ☀️ Sun and 🌙 Moon — so every row and column stays balanced, with no three in a row. Every puzzle has one unique solution, solvable by logic alone. Features

Unlimited logic puzzles

Free daily challenge

200-stage campaign across 20 worlds

Endless mode (Classic, Against the Clock and Zen)

Unlockable, colorblind-friendly themes

Smart, rule-based hints that teach you

Statistics and progress tracking

Light and dark mode

6 languages (English, Português, Español, Français, Italiano, Deutsch)

Plays on desktop and mobile — no install

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