Solve 10 Beginner puzzles.
Solve 10 Medium puzzles.
Solve 10 Easy puzzles.
Solve 10 Advanced puzzles.
Solve 20 Advanced puzzles.
Solve 40 Advanced puzzles.
Solve 30 Advanced puzzles.
Solve "Battery" by overlapping the line twice.
Solve "Fish" by overlapping the line on the fish's eye.
Solve "Top Hat" by overlapping the line twice.
Solve "Spectacles" without using either of the neutral tiles.
Solve "Only Card You Need" two different ways: Once crossing the line on the center neutral tile, and once without.
Make a moth out of "Flutterby" by turning all tiles white, except for 3,4 and 8,4.
Solve "Helmet" by overlapping the line twice.
Solve 50 Advanced puzzles.
Solve 20 Medium puzzles.
Solve "Mushroom" by overlapping the line twice.
Solve "Lorry" by overlapping the window.
Solve "Hot Coffee" without using the neutral tile.
Solve "Imbalanced Load" by overlapping the line three times.
Solve "Punnett" by overlapping all four tiles in all three white squares.
Solve 30 Medium puzzles.