How to play Grandoku

Each outlined square group is a cage and must have its numbers combined to equal the target number shown in the cage's top corner, using the specified mathematical operation (+, -, ×, ÷).

• Freebies: Single square cages are filled with the target number shown in the top corner.
• Input Numbers: Type a number 1 through grid size (4 or 6) only once in any row or column.
• Number Restrictions: Numbers may repeat within a cage but not in the same row or column.