In each grid their is a different rule to follow:

- Upper left - Figure Rokudoku: All occurrences of each shape outlined in black (rotated and/or mirrored) must contain the same set of digits (possibly in different orders). None shape contains a repeated digit.
- Upper right - Equal Killer: The equal signs mark the equality between the sums of the digits of the sub-regions.
- Lower right - Rokudoku X: The digits in both marked diagonals must be different.
- Lower left - Greater/Less Rokudoku: The inequality between each pair of digits must stand correct.

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