This is a very popular game, in addition to entertainment features, it also help players to practice their memory to remember through the appearance of the green squares which are shown in a grid.
This game including 2 modes: classic mode and sequential mode
- Sequential mode: in addition to the memory location of squares are shown on the grid, players need to remember the show up order of them.
- Classic mode: players only need to remember the positions of the green squares up
Each game mode has multiple levels from easy to difficult. Players must play to win the low level before being selected to play at a higher level.