5 Special Challenges pads:
- 30 Wooden House sheets: With long or wide squares.
- 30 Art to the Top sheets: Long, wide and both longer&wider squares.
- 30 Heydar Center sheets: Partly Increasing mode and partly Decreasing mode.
- 30 Roll Your Own sheets: Make your own Challenge, random or by own choice, by striking out some of 60 squares.
- 30 Cube House sheets: With start spaces at different heights