Challenge link

9 riddles

“grid”

All Text Picture Video
Any level Easy Medium Hard Expert Genius
Glass Overlay: Shared Lines Video
Hard Visual

Glass Overlay: Shared Lines

Glass Overlay: Slide and Cancel Video
Hard Visual

Glass Overlay: Slide and Cancel

Glass Overlay: Busy Cards Video
Genius Visual

Glass Overlay: Busy Cards

Glass Overlay: Lines Cancel Video
Expert Visual

Glass Overlay: Lines Cancel

How Many Routes: 3 × 2 Grid Video
Medium Numbers

How Many Routes: 3 × 2 Grid

How Many Routes: One Cone Video
Hard Numbers

How Many Routes: One Cone

How Many Routes: 2 × 2 Grid Video
Medium Numbers

How Many Routes: 2 × 2 Grid

How Many Routes: Pass the Lantern Video
Genius Numbers

How Many Routes: Pass the Lantern

Nine Glass Lanterns Video
Medium Logic

Nine Glass Lanterns