Lanternkeep
Memorize the room with the lantern lit — then deduce a safe path in the dark.
Nonogram
Picross / griddler. 10×10, line-solvable, one puzzle per page.
Slitherlink
Draw a single closed loop. Numbers count their edges.
3 4
2 3
Hashi
Hashiwokakero. Bridge the islands without crossing.
5 3 ·
· · 4
9 · 1
Sudoku
Classic 9×9, with technique-tier difficulty.
2 1 0 2
Akari
Light Up. Bulbs on white cells; numbers constrain neighbors.
6 8
6 6 6
Shikaku
Partition the grid into rectangles. Each clue equals its area.
Star Battle
One star per row, column, and region. No two stars adjacent.
Yajilin
Numbered arrows count black cells along a sightline. Draw one closed loop through the rest.
4
5
3
4
Kurodoko
Clues count cells they see. Black some out, keep the whites connected, don't let two blacks touch.
Aquarium
Fill each tank to match the row and column water counts.
2 3 1
4 2 3
1 4 2
3 1 4
3
3
4
4
Hitori
Shade duplicates. Keep whites connected. No two blacks touch.