Launch asteroids, moons and planets into a gravity well, merge two of a kind and grow them all the way to a black hole.



The cosmic chain: Asteroid → Moon → Lava World → Ocean World → Ice World → Gas Giant → Violet Giant → Red Dwarf → Sun → Blue Giant → Pulsar → Black Hole.
Tap the eye icon at the top right of the game screen and choose Remove Ads. It is a one-time purchase that removes the bottom banner and the ads between games.
Open the Remove Ads sheet and tap Restore Purchase. Make sure you are signed in with the same Apple Account you used for the purchase.
Purchases are handled by Apple. You can request a refund at reportaproblem.apple.com.
Yes. Your current game is saved on your device when you leave the app and continues when you come back. Your best score and discovered bodies are stored on your device too.
Tap the trophy icon. Leaderboards and achievements use Game Center, so you need to be signed in to Game Center in the Settings app.
Tap the phone icon at the top of the game screen to toggle haptics on or off.
If you are in a region where consent is required, open the Remove Ads sheet and tap Privacy Settings. You can also change tracking permission in Settings → Privacy & Security → Tracking.
Found a bug or have an idea? We read every message.