Erich's Hard Puzzles

Full Hex Puzzles
Hex Turn Puzzles
Tic-Tac-Toe Puzzles
Gap Puzzles
White And
Tan Puzzles
123 Puzzles
Close Or Far
Tricky Triple
Robot Mazes
Number Puzzles
Chess Mazes
Square Tiling Puzzles
Lightbulb Puzzles
Arrow Puzzles
Digit Cover Puzzles
Letter Order Puzzles
Replacement Puzzles
Binary Product Puzzles
Duplicate Letter Puzzles
Multi-Balance Puzzles
Blackout Puzzles
Power Strike Puzzles
Equation Puzzles
A One
And A Two
Pyramid Puzzles
Precise Pointer Puzzles
Gold Star Puzzles
Knight Tour Puzzles
Line Segment Puzzles
Zaaz Puzzles
Starry Night Puzzles
Tricky Tour Puzzles
Yahtzee Puzzles
Number Link Puzzles
Distance Puzzles
Non-Attack Mazes
Rolling Block Mazes
Honeycomb Puzzles
Every Third One Mazes
C-Note Puzzles
Polyomino Addition Puzzles
Square Crosswords
Hexa Trex Puzzles
Triangulation Puzzles
Hop, Skip,
and Jump
My Holiday Puzzles
My Personalized
Wood Puzzles
My NPR Puzzles
My Championship