"Slide-Numbers" uses 3D models in a 3D scene to play the sliding block puzzle game.
The tile and text colors can be adjusted by users.
It is a 3D sliding block puzzle game like the fifteen puzzle invented by Noyes Chapman and created a puzzle craze in 1880.

"Slide-Numbers" includes 15-puzzle, 8-puzzle, and 24-puzzle three type of sliding block games.

o Each game uses random number generator to create a new game and makes sure the game is solvable. Therefore, the number of games is unlimited.

o "Slide-Numbers" has the following 7 functions:
- "3x3" button get 3x3 grid board
- "4x4" button get 4x4 grid board
- "5x5" button get 5x5 grid board
- "Restart" button re-starts the current game
- "new" button starts a new game
- "Colors" to adjust tile and text number colors
- "Silence" toggle click voices