No Computer Aircrafts:
To kill off the computers aircraft, build a big hill at the end of this runway and cover with lots of trees.

Money for the Tunnel:
Go to the edge of the map, and from the shore build a tunnel towards the other side of the map, and you will receive the amount of money it costs to build the tunnel. You can get over $2,000,000,000.

Take Out CPU Buses:
To kill the computer buses, build a snakelike railroad over his road, put a train on it and see how his buses are shortly waiting and then be destroyed. Be warned: Use it only on roads, which YOU don't need, else you could loose your own buses, trucks etc.

Good Ratings Made Easy:
When you rename a town rename it "Happy Town" it will give your town a good rating.

Thanks to Revolution reader Fablex1305!