Apps by Athena Studio
Blue 81: Sudoku block puzzle app icon

Games

Blue 81: Sudoku block puzzle

Athena Studio

Free download 4.85 · 1 storefront · 40 ratings In-app purchases unconfirmed
Open on Apple

About this app

BLUE 81: SUDOKU BLOCK PUZZLE is a fabulous combination of classic tile-matching games and sudoku. This addictive and easy-to-learn game is a perfect choice to challenge your logic and intelligence as well as to relax and rejuvenate your brain and body! Strategically drag the blocks to fit the 9x9 board and fill up lines or 3x3 squares to clear them. Keep the board clean and aim for the highest score as much as possible. The core gameplay is jazzed up with the modern blue blocks and grids as an alternative for the classic woody interface style. ◉ Fabulous combination of block puzzle games & sudoku ◉ Dark mode/ Light mode feature ◉ Clear the lines & squares to score ◉ Beat your high score and challenge other players ◉ Simple, yet challenging - It’s hard to put this game down! ◉ Relaxing & brain training Carving out time and having a blast playing BLUE 81: SUDOKU BLOCK PUZZLE now for free!

Latest release

What’s New

Version 1.0.1 Jan 22, 2020

- Performance and stability improvements. - Add vibrate responding feature. - Turn off sound setting now also effecting to interstitial ads. We glad that you enjoy playing Blue 81. We read all your reviews carefully for making Blue 81 even better for you. Please leave us some feedback to let us know why you love this game and what you’d like us to improve in it. Keep your mind always sharp with Blue 81!

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
40 ratings
40 Aug 12, 2026 · 40 ratings Aug 12, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 12, 2026 · Free Aug 14, 2026 · Free Aug 12, 2026 Aug 14, 2026
  1. First observed Aug 12, 2026 · 10:55 AM Free

Screenshots

Blue 81: Sudoku block puzzle iPhone screenshotBlue 81: Sudoku block puzzle iPhone screenshotBlue 81: Sudoku block puzzle iPhone screenshotBlue 81: Sudoku block puzzle iPhone screenshotBlue 81: Sudoku block puzzle iPhone screenshot Blue 81: Sudoku block puzzle iPad screenshotBlue 81: Sudoku block puzzle iPad screenshotBlue 81: Sudoku block puzzle iPad screenshotBlue 81: Sudoku block puzzle iPad screenshotBlue 81: Sudoku block puzzle iPad screenshot