Windoku

Windoku (NRC Sudoku, Four-Box Sudoku, Hyper Sudoku) is a logic puzzle. This Sudoku variant contains some additional blocks.

Windoku

Rules: In each cell of the NxN grid, enter a number in the range 1–N. Each number must appear exactly once in each row, column, and block.
Additional rules: In each of the colored windows, each digit must occur exactly once too.

Windoku #120

Size: 9x9
Level: hard
Solution: no

Windoku #119

Size: 9x9
Level: hard
Solution: no

Windoku #118

Size: 9x9
Level: hard
Solution: no

Windoku #117

Size: 9x9
Level: hard
Solution: no

Windoku #116

Size: 9x9
Level: hard
Solution: no

Windoku #115

Size: 9x9
Level: tricky
Solution: no

Windoku #114

Size: 9x9
Level: tricky
Solution: no

Windoku #113

Size: 9x9
Level: tricky
Solution: no

Windoku #112

Size: 9x9
Level: tricky
Solution: no

Windoku #111

Size: 9x9
Level: tricky
Solution: no

Windoku #110

Size: 9x9
Level: normal
Solution: no

Windoku #109

Size: 9x9
Level: normal
Solution: no

Windoku #108

Size: 9x9
Level: normal
Solution: no

Windoku #107

Size: 9x9
Level: normal
Solution: no

Windoku #106

Size: 9x9
Level: normal
Solution: no

Windoku #105

Size: 9x9
Level: easy
Solution: no