YOU play the role of a marine known only as Hero, who will have to live up to his name to halt the advance of a ruthless alien horde hellbent on devouring the human race. Battle enemy armies across the United Earth Space Administration's fleet of massive spaceships and uncover the horrifying truth about the Xoranid invasion.

- 60 action-packed levels in an epic space adventure!

- 5 weapons: Laser Gun, Plasma Gun, Rail Gun, Death Ray and Rocket Launcher

- Hours of thrilling discovery and combat as an epic gameplay experience unfolds along with an equally gripping story

- Combat and exploration statistics recorded for each level

- Unlimited replay value as you try for a perfect score

- An unparalleled gameplay experience on iPhone, iPod Touch and iPad!

Source: http://itunes.apple.com/us/app/giant-leap/id343254728?mt=8