NumberPlace, developed by TESYIO TECHNOLOGY INC., is an Android puzzle game that offers 550 problems of varying levels of difficulty. The game is based on the popular Japanese game "Sudoku" and is designed for players of all ages who enjoy challenging their brains with puzzles.

The game features five levels of difficulty, ranging from easy to difficult, allowing players to choose the level that best suits their skills. Each level has a set of 110 problems that players can solve, providing hours of entertainment. The game's interface is user-friendly, making it easy to navigate and play.

Overall, NumberPlace is a great game for Sudoku lovers who are looking for a challenging and entertaining way to pass the time. Best of all, it's completely free, so download it today and start playing!