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- Daily Sudoku Puzzles - 14 levels, 6 categories of difficulty (14 new puzzles daily)
- Mental Stretch - a Mastermind clone. 380 varieties, up to 1 x 10^26 combinations
- Grid Lights Puzzles - a Lights Out clone. 72 variations
- Number Slider Puzzles - 27 varieties
- Image Slider Puzzles - 10 varieties, 12 different pictures