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. Check full story for new details about the Krogan race, a species of large reptilian bipeds that will play a vital role in the universe of Mass Effect.