Cubeline: 3D Cube Puzzle

■ About Cubeline

Connect the cubes. Guide the ball.

Drill holes through a cube to build a path for the ball.
Starting with simple rules, the challenge grows to expert 6×6 stages requiring 14–28 moves — 310 puzzles in total.
Build 3D pathways in your head. A pure spatial reasoning experience.

■ Features

- 4 difficulty levels, 310 puzzles
Beginner 3×3 (10 puzzles, 2–3 moves)
Intermediate 4×4 (100 puzzles, 5–10 moves)
Advanced 5×5 (100 puzzles, 10–18 moves)
Expert 6×6 (100 puzzles, 14–28 moves)
Train your spatial skills step by step.

- Press Play to test your answer
Place the holes, press Play, and watch the ball roll. If it reaches the goal, you clear the stage. A satisfying rhythm of thinking and checking.

- X-ray view
Stuck? Use the X-ray feature to see inside the cube.
Play without hints for a harder challenge, or use X-ray to solve efficiently — your choice.

- Simple controls
Rotate the cube with one finger, tap to place holes.
Intuitive enough to play without a tutorial.

- Works offline
Play anywhere — on the train, on a break, no internet needed.
(Internet is only required for ads.)

■ Recommended for

- Anyone who enjoys brain teasers in their spare time
- Students and professionals training spatial reasoning
- Players who prefer quiet thinking over flashy effects
- People looking for short, one-stage-at-a-time sessions
- Anyone in architecture, design, or game dev who wants to sharpen 3D thinking

■ How to play

1. Tap the cube to set the direction of a hole
2. Press the Play button
3. The ball rolls from the start, passing through the holes
4. Reach the goal to clear the stage

Use the X-ray button if you get stuck. Reset the stage anytime.

■ About ads

This app is free, supported by ads:
- Rewarded ads (optional) when using X-ray
- Interstitial ads after clearing a stage
Ads are designed to appear only at moments that don't interrupt your play.

■ Privacy

No sign-up required. We don't collect personally identifiable information.
Only the data needed for ad delivery is handled via Google AdMob.
See our privacy policy for details.

■ Contact

Feedback, requests, and bug reports: mattyomattyomettyamattyo@gmail.com
We read every message and use it to improve future updates.

Don't just look at the cube — build inside it.
Connect the cubes, and guide the ball home.