Big Bucket Software has The Incident (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE (regularly 99-cents) for a limited time. They are also offering the mac verison of The Incident for FREE as well for limited time.

THE INCIDENT is a fast-paced, retro-style action game. Run, dodge and jump your way to safety as an angry rain of just about everything in the world falls and builds a mountain of platforms for you to climb up, up… up to the source of it all: the cause of THE INCIDENT.