Seven Puzzle: Soma Cube 3D

Contains adsIn-app purchases
Content rating
Everyone
10K+
Downloads
Content rating
Everyone
Users Interact, In-Game Purchases
Learn more
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About this game

Seven pieces.
Turn them, place them, and somewhere along the way — a perfect cube.

Seven Puzzle began as a hands-on teaching tool, used in real gifted-education classrooms in Korea. Korea Education Contents Lab founded Uncut Stone Studio to rebuild the puzzle children learned with their hands — as a game you can carry.

There's no rush. No hearts, no energy bar, no lives to run out. One quiet round before sleep — a little motivation, a small win to end your day.

■ Two challenges, 700 stages
• Minimap Challenge, 200 stages — follow the small cube picture, starting with one piece and gradually working up to seven
• Coordinate Challenge, 500 stages — read the layer-and-column table and fit all seven pieces
• Collect stars to open new sections of the Coordinate Challenge
• Short rounds that fit into real life — before sleep, on the train, in a spare minute

■ World Championship
• Compete with the world in two disciplines, Minimap and Coordinate
• One puzzle a day in each discipline, and seven days to a season
• Each day, the three best solvers in each discipline take gold, silver and bronze
• World rankings and medal tallies by country

■ Curious about your spatial reasoning?
• Spatial Intelligence Report — compare your results with players worldwide whenever you like (optional)
• Stamps — twenty-two, collected quietly in your stamp book as you play

■ Anywhere
• Dark mode and calm themes that are easy on your eyes at night
• The puzzles play offline — on a plane, underground, wherever
• Available in 13 languages
• One premium purchase (not a subscription) plays ad-free, with hints and exclusive skins

At the end of the day, one quiet puzzle is enough.

Seven Puzzle is a soma cube brought to your screen — a 3D block puzzle you solve by turning and fitting wooden-style pieces.
Born from a gifted-education puzzle in Korea. Calm 3D cubes, a small daily win.
Updated on
Sep 16, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, Personal info and 3 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

· A new Coordinate Challenge is open!
· Coordinate event added to the World Championship
· Earn stars on every stage
· Screen transition bug fixes
Content rating
Everyone
Users Interact, In-Game Purchases
Learn more

App support

About the developer
한국교육콘텐츠연구소(주)
contact@uncutstone.studio
Rm A-2108-C Songdo BRC Smartvalley 30 Songdomirae-ro 연수구, 인천광역시 21990 South Korea
+82 10-2983-8829

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