We have a new trailer and four new screenshots from Mass Effect, showcasing this upcoming science-fiction action and role-playing game in the works at Bioware (thanks: GameTrailers). 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.

Mass Effect Battle Transmission Trailer (42.32MB)