Drop cute ghosts.
Merge them. Reach the Moon.
A cozy merge puzzle set in an old observatory attic. Grow tiny ghosts into stars and moons, win stars and decorate magical worlds one piece at a time.
Free to play · iPhone & Android
Nine steps to the Moon
From a tiny Glimmer to a glowing Luna
Glimmer
Peep
Boo
Lila
Minty
Rosie
Cosmo
Stella
Luna
Two of a kind merge into the next one. And when two Lunas meet? Full Moon!
How to play
Easy to learn, hard to put down
- 1
Drop
Aim and let go. A little ghost tumbles into the jar on the windowsill.
- 2
Merge
Two identical ghosts touch and – pop! – they merge into a bigger friend.
- 3
Reach the Moon
Hit the level goal before the timer runs out. Bigger merges even add time.
Decorate magical worlds
Every win lights up a little more
Win a level, earn stars, and spend them on lanterns, telescopes, pumpkins and bridges. Finish a world, open a treasure chest and move on to the next adventure – with many more worlds on the way to the Moon.
BeforeAfterWorld 1
Observatory Attic
Where it all begins: a dusty attic under the stars, with a round window and a very big Moon.
Window cushion- Beam lantern
- Pile of old books
- Starry rug
- Rocking chair
- Fairy lights
- Brass globe
- Sky map
- Great telescope
Drag the slider to see the world come to life.
Meet the gang
Nine friends, one jar
Each one has a look and a mood of their own. Tap or hover to say hello.
Why you'll love it
Small moments of magic, every day
Quick, cozy levels
Each level takes just a few minutes and has one clear goal. Perfect for a coffee break or the bus ride home.
Something new every few levels
Fireflies that add time, frozen ghosts, cloud shelves, sneaky shadows, gusts of wind and oddly shaped jars.
Handy boosters
Swap the next ghost, shake the jar, catch a ghost with a net or stop the clock when things get tight.
Quests and treasure chests
Fresh daily quests, weekly challenges and a chest full of goodies for every world you finish.
Leaderboard
Sign in to back up your progress, play on another phone and see how far your friends have climbed.
Fair and friendly
Free to play, no account needed. Ads are only optional videos you choose to watch for a reward.
Take a peek
Screenshots
Merge your way up to Luna 
Your world is your home screen 
Spend stars on decorations 
Win stars and coins 
Pumpkin Garden, all done 
Tricky jars in special levels 
Revisit every world you finished 
Daily and weekly quests 
Climb the leaderboard
Questions
Frequently asked
When is Constellaboo coming out?
Very soon! We are putting the final sparkle on the game for iPhone and Android. The store buttons on this page will light up the moment it is live.
Is Constellaboo free?
Yes. The game is free to play. You can optionally buy coin and booster packs, or a one-time No Ads upgrade.
Are there ads?
Only optional rewarded videos – for example for an extra life or to continue a level. You decide if and when to watch one.
Do I need an account?
No. You can play as a guest. Signing in with Apple, Google, Facebook or an email link backs up your progress, lets you continue on another device and puts you on the leaderboard.
Which devices and languages are supported?
Constellaboo is made for iPhone and Android phones. The game is available in English and Czech, with more languages planned.
Who is the game for?
Anyone aged 13 and up who enjoys calm puzzle games, cute characters and a little bit of time pressure.
How do I delete my account?
In the game, go to Settings → Account → Delete account. You can also email us – see the Delete account page for details.
The jar is almost ready
Constellaboo is coming soon to iPhone and Android. Come back in a little while – Boo is waiting by the window.