A free app for Android, by Dexus Dinosaur.

Hybrid Titan Raptor Rampage is an action survival game that combines the best of city destruction and monster mayhem in a single game. The aim of the game is to destroy as many buildings and vehicles as possible and, in the process, you will be attacked by a number of different creatures.

You will need to use your arsenal of weapons to fight against all the different monsters. These weapons include guns, rifles, machine guns, rocket launchers, grenade launchers, and even missile launchers. 

There is a lot of variety in the monsters that you will need to fight. Some of them will be giant robots, armored vehicles, and even giant airplanes.