Seven worlds, seven ways to count
- First Light: a number counts the stars touching its hex.
- Horizon: a number at the edge counts every star along its line.
- Clusters: an arc under a number shows whether its stars sit together or apart.
- Bright Stars: a star can show how many stars touch it.
- Still Water: the sky is mirrored or turned, so every hex has a twin.
- Binary Stars: stars come in touching pairs, never alone, never three.
- Nebulae: a glowing cloud counts the stars inside it.
Then the Zodiac: twelve signs that each combine two rules, followed by three seasons and a grand finale. Each world begins with a short illustrated card that teaches its rule on a small board.
A puzzle every night, and the deep sky
There is a new puzzle every night, gentle on Mondays and hardest on Sundays. Each night you solve lights a moon on the month’s calendar, gold for a flawless one. No streaks, no reminders. Deep Sky holds over 4,000 more puzzles: pick a rule, a pair of rules or any rule, and a depth from shallow to deep.
Achievements and cloud saves
With Google Play Games, Asterism has 35 achievements, from your first star to two thousand Deep Sky skies, three of them hidden; what you solved before counts. Your progress is kept in your Google account, so another phone or tablet picks up where you left off, and progress from two devices is combined, never replaced. Signing in is optional: without it the game plays exactly as before.
