Rat infestation

As the name suggests, when the screen is full of mice, the game will fail.

Rule:
Move the mouse to adjacent positions on the board. When five or more mice are arranged in a row, the mice on that row will be eliminated
Every time it moves, a new mouse appears on the disc
The prompt below the game tells you the type of mouse that will appear next time
Take one step, see three steps, come challenge yourself quickly