Fighting giant aliens in walking tanks is an idea frequently revisited within the science-fiction community. Just look at a large part of popular anime, Starship Troopers, Aliens - there are myriad examples. With games, such an idea seems popular since gamers tend to accept that any semblance of plot, character, or logic can be shoved out the door in favor of flashy graphics and the ability to detonate satisfyingly sizable amount of explosives. Lost Planet adheres to such a notion.
