What difficulties does Dinosaur Island include?

Choose Very Easy, Easy, Medium, Hard, or Hardest. Each level uses its own clue and difficulty profile.

Do I need an account for Dinosaur Island?

No. The game works without an account and saves the current puzzle locally on this device.

Adventurer

Jigsaw Sudoku

Place 1–9 once in every row, column, and irregular fossil territory.

Puzzle setup

Select a difficulty to prepare your Dinosaur Island adventure.

How this world works

Explore irregular fossil territories. Place 1–9 once in every row, column, and irregular fossil territory.