Number Logic Puzzles

 No Blocks (Latin Square) 

• 4 (113)
• 4 (64)
• 5 (126)
• 5 (130)
• 6 (81)
• 6 (84)
• 8 (64)
• 8 (82)

Overlapping Variants

• 9 Flower-4 (81)

 Rectangular Blocks 

• 4 (84)
• 4 (38)
• 6 (136)
• 6 (60)
• 9 (138)
• 9 (188)
• 9 (42)
• 9 (41)
• 9 (49)
• 9 (39)
• 12 (167)
• 12 (85)
• 15 (55)
• 15 (58)
• 16 (112)
• 16 (71)
• 20 (42)
• 20 (61)
• 25 (99)
• 25 (24)
• 9 Double-Doku (183)
• 9 Double-Doku (123)
• 9 Sensei (176)
• 9 Sensei (125)
• 9 Gattai Near-2 (178)
• 9 Gattai Near-2 (132)
• 9 Wing-3 (179)
• 9 Wing-3 (119)
• 9 Gattai-3 (113)
• 9 Gattai-3 (61)
• 9 Sohei (90)
• 9 Sohei (61)
• 9 Butterfly (104)
• 9 Flower-4 (107)
• 9 Flower-4 (4)
• 9 Samurai (391)
• 9 Samurai (68)
• 9 Gattai-8 (50)
• 9 Sumo (31)
• 9 Sumo (5)

 Irregular Blocks (Jigsaws) 

• 6 (161)
• 6 (109)
• 8 (198)
• 8 (50)
• 9 (96)
• 9 (53)
• 10 (68)
• 10 (13)