99 Grids Puzzle is a free puzzle game developed by citifrank for Android 9.0. The objective of the game is to uncover all the grids while avoiding the mines. The game is easy to understand with simple rules; a number indicates the total number of mines on the 8 grids around it, and long pressing marks a grid as being a mine.

This game offers players 3 difficulty levels: Beginner, Intermediate, and Expert. Each level has a different grid size and number of mines. The game also has a time mode challenge, sounds and music, achievements, and auto placement of cards to goal cells. Players can choose to flag tiles with long press or single tap.

Overall, 99 Grids Puzzle is a challenging and entertaining puzzle game that is perfect to play when you have a spare moment. The game is easy to navigate, and the auto placement feature makes it easier for players to complete the game without worrying about the placement of cards. If you love puzzle games, 99 Grids Puzzle is definitely worth checking out.