Only the current version so far — new entries appear as the game ships updates.
"For those who enjoy playing with numbers, this is a classic mathematical puzzle. Number Puzzles - Classic Number Games - Number Riddles let you enjoy the magic of numbers, requiring your attention and hand-eye-brain coordination.
How to play the number puzzle? Given a frame of wooden blocks representing numbers, with one tile missing. All you have to do is click and slide the number blocks. Your goal is to arrange the numbers in ascending order. How many moves can you complete the number puzzle?"