Megaton Rainfall is a First Person Superhero Game. You control an indestructible interdimensional superbeing with an immense destructive power and supersonic flying capabilities, and your mission is to save the Earth from an alien invasion. The point is that you are so powerful, that every time you miss your target you can destroy entire buildings!
Unprecedented freedom of movement
Accelerate from 0 to mach 10 in 5 seconds, fly around a real-size-Earth, get out of the atmosphere, the solar system and even the Milky Way in less than 1 minute from any location.
Unprecedented scale of destruction
You can destroy entire skyscrapers (unintentionally) when you miss your target... Just like the aliens, if you let them to do so.
Highly adaptive soundtrack
Reacting to every bit of the action.
Innovative visual effects
Featuring procedural real time exploding/slicing/collapsing of buildings, and an Universe-scale rendering engine.
For even greater immersion. Platform(s) to be announced.