Expert, 100 puzzles

Swordfish, XY-Wings and simple colouring. Demanding, but never unfair: nothing here requires trial and error, and every puzzle has exactly one solution.

Puzzles: 100
Expert: 100
Pages: 118 per device
Files: Paper and Paper Pro
Solutions: Included, linked both ways

Downloads work forever. Your pack is stored as a seed rather than a file, so an expired copy is rebuilt byte for byte identical.