FREE game for iOS: Dino Cap
With the Level mode of this game you will kill dinos, earn cash, hide in houses, grab ammo, head to ammo country and buy new guns for the next level.
In the time survival mode you have to run through the jungle and grab the weapons and ammo magically falling from the sky! keep shooting for as long as you can hold out.
Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later