Sudoku Dive: Pixel Ocean

Dive into 100 ocean 5x5 puzzles and meet real fish in an original pixel world. Play offline with no ads or accounts, and discover a surprise at journey's end.

Start in the shallows, travel through coral reefs and the deep sea, and solve Sudoku puzzles to unlock a living nature collection.

Sudoku Dive brings logic puzzles, an original pixel world, and real marine-life facts together. Its ocean journey includes 100 approachable 5x5 puzzles, traveling from the shallows and coral reefs into the deep sea.

Every level features a real marine species:

• 100 different marine species
• Switch between original pixel art and real photos
• Common names, scientific names, and short facts
• See your time and newly collected species after each level
• Original pixel backgrounds and music for different ocean zones

Focused on the puzzle:

• 100 fixed offline puzzles, each checked for a unique solution
• Friendly 5x5 rules for beginners • Optional mistake checking, hints, restart, and saved progress
• Designed for iPhone and iPad in portrait and landscape
• Chinese and English based on the system language
• No ads, no accounts, no third-party analytics, and no connection required

Support Developer items are optional consumable tips for parents. They do not unlock content or change hints or the puzzle-solving experience. Purchases and external source links are protected by a parental check.

5x5 rules: Fill every row and column with the numbers 1–5 exactly once.

Take your time and build your collection. Complete the ocean journey and a hidden surprise may appear.