Nanosaur 2: Hatchling is the ultimate flying battle game for your iPhone or iPod Touch! You pilot a flying dinosaur from the future who's mission is to locate stolen dinosaur eggs and return them to saftey by throwing them into wormholes. You'll battle other dinosaurs and mechanized sentries while collecting various powerups and weapons such as heat-seeking missles, blasters, bombs, etc.
Nanosaur 2 is a 3D game that really shows off the capabilities of the iPhone, and you fly by tilting the iphone. The cinematic quality of the music and graphics make Nanosaur 2 one of the absolute "must-have" games for the iPhone.
Devices running iOS 4.1 and later that are Game Center compatible have access to the new Multiplayer modes where you can play up to 4 players over a WiFi or 3G network:
Capture The Eggs
This multiplayer mode is like capture the flag, and players are divided into the red and green teams. Your goal is to retrieve all of your team's eggs before the other team.
Battle
As you can imagine, this multiplayer mode involves a lot of weapons fire! You fly around picking up weapons and blasting the other players out of the sky!
Race
You can race other players around a track, and of course there is still plenty of shooting!
Source: The Developer Website.