Metal Slug X Redesign with a futuristic Scifi twist. Set in 2085 on the Planet Kepler-507F. The humans have colonized a small part of the planet for generations. The rest of the planet is occupied by Aliens. They have control over most of the water on the planet. The humans rely on geothermal and solar energy to power their colony. Humans are running out of water so they must kill aliens and expand their colonization.