You are a driver of the grand bus robot, which has the power to transform itself into a flying bus. You have to protect the city from the attack of the evil robots. In the grand city, there is a lot of traffic, and you have to drive through it to reach your destination. You will be facing a lot of obstacles, but you can use your skills to drive through the traffic and reach your destination safely.

There are different maps for you to drive on, and each map has a lot of locations. You can stop at any location to pick up passengers. When you reach the destination, you will be rewarded with a lot of money. You can use this money to buy new buses, upgrade your buses, and hire more bus drivers.

The game is completely free, so you don’t have to worry about any kind of payment.