Constellations - Star Sudoku
Place stars, reveal the sky
Free · Designed for iPad. Not verified for macOS.
Zen Star Sudoku: place the stars, reveal your constellation.
Constellations is a logic puzzle game inspired by Sudoku, also known as "Star Battle", "Two Not Touch", "Queens" or "Starstruck": your job is to find the right cell for each star, row by row, column by column, region by region – without ever letting one star touch another. Every puzzle has a unique solution that can be found through pure deduction – no guessing required. As a reward, each solved level reveals its own constellation, drawn just for you.
A relaxing, stress-free puzzle game with no timer and no pressure. Perfect for unwinding before bed, during a break or on the go, with an unlockable Speedrun mode for those who love a challenge. Discreet, non-intrusive ads, so you can stay focused on your sky.
HOW TO PLAY
Exactly one star per row, per column and per colored zone.
Two stars can never touch, not even diagonally.
A single tap places a cross to rule out a cell; a double tap places a star there.
Every level starts with a free hint: a star already placed to get you going.
A few mistakes are allowed in each level before you have to start over.
ZEN MODE BY DEFAULT
No forced timer and no score constantly on screen: just you, the grid and your reasoning, at your own pace.
SPEEDRUN MODE
Want more thrills? Race against the clock and try to solve each grid as fast as you can.
BLINDFOLD MODE
A brand-new way to play: no more crosses to rule out cells, only your deduction guides where the stars go.
ENDLESS PROGRESSION
Hundreds of sudoku-style puzzle levels, from the simplest grids to the largest ones for seasoned strategists – the difficulty grows with you.
DAILY CHALLENGE & LOGIN STREAK
A new puzzle every day, and rewards that pile up as long as you keep coming back.
YOUR OWN SKY
Revisit solved levels at any time from the collection, and rediscover every constellation you have revealed.
LEADERBOARD & ONLINE SAVE
Compare your progress with other players and pick up your game on any device.
No connection required to play, no time pressure: just you, your eye for detail, and a sky to piece together, star after star.
A free-to-download, addictive brain-teaser, perfect for fans of Sudoku, Star Battle, puzzles and zen brain-training games.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• New shop: hint packs and a Premium subscription (no ads, 5 free hints every week).
• Directory: a button to show only the tutorials.
• Blind mode: reworked hints that are genuinely useful.
• Speedrun: the timer no longer stops when the app goes to the background.
• Bug fixes.
The developer, Marin Leonard, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Location
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Marin Leonard
- Size
- 394.2 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.0 or later and a device with the A12 Bionic chip or later.
- iPhone
Requires iOS 15.0 or later and a device with the A12 Bionic chip or later.
• iPhone XS
• iPhone XS Max
• iPhone XR
• iPhone 11
• iPhone 11 Pro
• iPhone 11 Pro Max
• iPhone SE (2nd generation)
• iPhone 12 mini
• iPhone 12
• iPhone 12 Pro
• iPhone 12 Pro Max
• iPhone 13 Pro
• iPhone 13 Pro Max
• iPhone 13 mini
• iPhone 13
• iPhone SE (3rd generation)
• iPhone 14
• iPhone 14 Plus
• iPhone 14 Pro
• iPhone 14 Pro Max
• iPhone 15
• iPhone 15 Plus
• iPhone 15 Pro
• iPhone 15 Pro Max
• iPhone 16
• iPhone 16 Plus
• iPhone 16 Pro
• iPhone 16 Pro Max
• iPhone 16e
• iPhone 17 Pro
• iPhone 17 Pro Max
• iPhone 17
• iPhone Air
• iPhone 17e
• iPhone 18 Pro
• iPhone 18 Pro Max
• iPhone Duo - iPad
Requires iPadOS 15.0 or later and a device with the A12 Bionic chip or later.
• iPad Pro (11‑inch)
• iPad Pro (11‑inch) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (3rd generation)
• iPad Pro (12.9‑inch) (3rd generation) Wi‑Fi + Cellular
• iPad mini (5th generation)
• iPad mini (5th generation) Wi‑Fi + Cellular
• iPad Air (3rd generation)
• iPad Air (3rd generation) Wi‑Fi + Cellular
• iPad Pro (11‑inch) (2nd generation)
• iPad Pro (11‑inch) (2nd generation) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (4th generation)
• iPad Pro (12.9‑inch) (4th generation) Wi‑Fi + Cellular
• iPad Air (4th generation)
• iPad Air (4th generation) Wi‑Fi + Cellular
• iPad (8th generation)
• iPad (8th generation) Wi‑Fi + Cellular
• iPad Pro (11-inch) (3rd generation)
• iPad Pro (11-inch) (3rd generation) Wi‑Fi + Cellular
• iPad Pro (12.9-inch) (5th generation)
• iPad Pro (12.9-inch) (5th generation) Wi-Fi + Cellular
• iPad mini (6th generation)
• iPad mini (6th generation) Wi-Fi + Cellular
• iPad (9th generation)
• iPad (9th generation) Wi-Fi + Cellular
• iPad Air (5th generation)
• iPad Air (5th generation) Wi‑Fi + Cellular
• iPad (10th generation)
• iPad (10th generation) Wi‑Fi + Cellular
• iPad Pro (11‑inch) (4th generation)
• iPad Pro (11‑inch) (4th generation) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (6th generation)
• iPad Pro (12.9‑inch) (6th generation) Wi‑Fi + Cellular
• iPad Air 11-inch (M2)
• iPad Air 11-inch (M2) Wi-Fi + Cellular
• iPad Air 13-inch (M2)
• iPad Air 13-inch (M2) Wi-Fi + Cellular
• iPad Pro 11-inch (M4)
• iPad Pro 11-inch (M4) Wi-Fi + Cellular
• iPad Pro 13-inch (M4)
• iPad Pro 13-inch (M4) Wi-Fi + Cellular
• iPad mini (A17 Pro)
• iPad mini (A17 Pro) Wi-Fi + Cellular
• iPad (A16)
• iPad (A16) Wi-Fi + Cellular
• iPad Air 11-inch (M3)
• iPad Air 11-inch (M3) Wi-Fi + Cellular
• iPad Air 13-inch (M3)
• iPad Air 13-inch (M3) Wi-Fi + Cellular
• iPad Pro 11-inch (M5)
• iPad Pro 11-inch (M5) Wi-Fi + Cellular
• iPad Pro 13-inch (M5)
• iPad Pro 13-inch (M5) Wi-Fi + Cellular
• iPad Air 11-inch (M4)
• iPad Air 11-inch (M4) Wi-Fi + Cellular
• iPad Air 13-inch (M4)
• iPad Air 13-inch (M4) Wi-Fi + Cellular - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later and a device with the A12 Bionic chip or later.
- iPhone
- Languages
English and 9 more
- English, French, German, Indonesian, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 L'autre Studio
