We have more screenshots from Mass Effect, showcasing this upcoming science-fiction action and role-playing game in the works at Bioware. Developed exclusively for Xbox 360, Mass Effect features a rich, engaging story line with morally complex decisions, real-time, squad-based combat, character customization and deep role-playing systems, customizable weapons and vehicles, credible digital actors, and more. Press 'read more' for a presentation of the alien races from Mass Effect.