- Fun with GeoGebra
- Could you fit it?
- Squared Squares
- Strings and corks tricks
- What is behind? (1)
- Lights Out Game - with target patterns
- Lights Out!
- Rectangle to Square
- Dissecting Rectangles into Squares
- Dissecting Quadrilaterals
- Cut Equilateral Triangles into Rectangles & Dudeney's Puzzle
- GeoGemblo
- Lineup of a soccerteam
- Game with coins
- T-Täuschung
- El monosabio
- Solution of a sliding-block puzzle
- Hilbert curve
- Curva de Hilbert
