You are Godzilla, a giant-sized dinosaur that has appear on the city. Press the space bar to squashes people. Move with the arrow keys. Press R to flee.
When the baby dinosaures get out from the egg you will have to take care of them, feed them with milk and meat and take them to bed when they feel sleepy. Use the mouse to drag next to them whatever they need.
Discover the new hidden guns at the trees shooting with A to them. Pick them up and use them to exterminate the dinosaurs and to pick up golden keys and go on the way out. You must to do it in the correct order.