Factor Zoo is a strategy puzzle game that combines Sudoku deduction with lottery-style gameplay.

To save a zoo on the brink of bankruptcy, the director decides to take one final gamble: raising operating funds through a “Lucky Lottery.”

But this so-called lottery is built on Sudoku boards.

At the start of each round, players first choose 5 lucky cells from the board. Then, by applying Sudoku rules, they gradually solve the puzzle and reveal the numbers in those lucky cells.

When the lucky numbers form combinations such as a pair, two pairs, three of a kind, a straight, or even five of a kind, players earn funding rewards with corresponding multipliers. The stronger the combination, the greater the reward.

As soon as you reveal the numbers in your lucky cells, you can claim your reward early, even if the Sudoku puzzle is not fully solved. However, once you draw early, you lose the chance to reshuffle your lucky cells.

If you choose to complete the round’s puzzle, you will have a chance to reset the lucky cell numbers, giving you another opportunity to form a higher-multiplier combination.

The fate of the zoo is in your hands!