Run and escape from the evil cat by escaping through the city, avoiding all the obstacles that this crowded city provides.

cRAT is a mouse that has experienced a strange mutation that has changed the color of its entire body to a greenish tone. This mysterious mutation has developed wings to be able to fly.
His worst enemy is an evil blue cat named Brat, leader of all the cats in the city and obsessed with cRAT for his strange, unexplained mutation...

Run away from this evil cat and don't stop running!