IQRBlock: 6-in-1 Block Puzzle

IQRBlock is a faithful digital version of the classic 6-in-1 block puzzle toy.

Just like real puzzle cubes, each small block has image pieces on different faces.
Rotate and swap the blocks to rebuild complete pictures, one by one.
A single cube set can form 6 different full images, so every round feels fresh and challenging.

Designed for kids and families:

- Trains spatial imagination by thinking in 3D.
- Builds logic and planning through trial, comparison, and correction.
- Improves focus, patience, and step-by-step problem solving.

Easy to start, fun to master:

- Choose difficulty levels such as 2x2, 3x3, and 4x4.
- Preview target images and test your memory and observation.
- Solve one picture at a time and complete all 6 goals in a set.

Make puzzles more personal:

- Import your own photos from your device.
- Turn favorite people, pets, and moments into playable puzzles.
- Kids are more motivated when they build pictures they love.

More ways to play:

- Default puzzles are ready to play anytime.
- Theme puzzles bring fresh picture sets.
- My Gallery lets you play with your own photos.
- Player Challenge lets you create a challenge code and share your puzzle set with friends.
- Puzzle Library adds many ready-made puzzle packs to explore.

New in version 1.5.0:

- Added Puzzle Library with 10 categories, 48 puzzle packs, and 288 puzzle pictures.
- Added categories such as Animals, Fruits, Artists, Masterpieces, Vehicles, Nature, Ocean, People, City Scenes, and World Cities.
- The refresh button can now switch between Default, Theme, My Gallery, Puzzle Library, and Player Challenge puzzles.
- Downloaded Puzzle Library packs can be played again even without internet.

Ongoing plans:

- More Puzzle Library packs will be added over time.
- More seasonal and event-themed puzzle sets.
- Continuous gameplay polish and content updates.

IQRBlock brings the real-world block puzzle feeling to mobile: accurate, playful, and creative.