Mass Effect is a science fiction action-RPG created by BioWare Corp., the commercially and critically acclaimed RPG developer of "Jade Empire," "Star Wars: Knights of the Old Republic," "Neverwinter Nights," and the "Baldur's Gate" series. "Mass Effect" will deliver an immersive story driven gameplay experience with stunning visual fidelity. Published by Microsoft Game Studios, "Mass Effect" will be exclusively for the Xbox 360 video game system.

As the first human Specter – sworn defenders of galactic peace – your mission is to halt the advancing armies of a legendary agent gone rogue. But as you lead your elite team across hostile alien worlds, you will discover the true threat is far greater than anyone imagined.

• Immersive RPG: Determine the fate of mankind as you lead an elite tactical strike force as an epic galaxy-wide conflict unfolds. "Mass Effect" will take the player into new depths of an action-roleplaying game, with choice-based gameplay.
• Rich and engaging storyline. While defending galactic peace and earning a position of respect for humanity in the community, gamers will discover that a greater conflict between organic life and artificial intelligence exists. Players' decisions and actions will serve to shape the destiny of all life in the galaxy as you become absorbed in the story that is "Mass Effect," the first game in an epic trilogy from BioWare. They will become the center of an engrossing story as they battle against alien life forms to save the galaxy from threatening armies.
• Player controls the ultimate fate of the galaxy: The player's decisions and actions will serve to shape the destiny of all life in the galaxy, while raising humanity to the pinnacle of galactic civilization via noble means or via tyranny.
• Real-time squad based combat: "Mass Effect" employs a real-time, squad based, tactical combat system. Players will be immersed in intense, challenging and exciting combat.
• Explore uncharted worlds: In addition to the main story arc of the game, players will be able to visit a large number of uncharted, unexplored planets which are not directly tied to the main story. At any time during the campaign, a player can choose to explore one of these planets in an all-terrain rover in order to discover new alien life, resources, ruined civilizations and powerful technologies.
• Digital actors: "Mass Effect" features a huge cast of in-engine digital actors that you will encounter as NPCs, enemies or as party members. Each will have life-like facial and body movements, and an advanced dialogue system will give them engaging personalities.
• Character customization. Players will be able to choose from a variety of stunning, photo-realistic character appearances at the start of the game, and throughout the game can increase various statistics which will have an impact on their performance during gameplay. Equipment, weapons and armor that are acquired during the course of the story will change the appearance of the characters.
• Next-generation gaming defined. "Mass Effect" takes advantage of Xbox 360's hardware providing gamers with exciting new experiences, including photo-realistic, high definition graphics on an epic scale. As the future of gaming goes online, Xbox360 live features, including premium downloadable content and recognition of achievement will be available via the Xbox Live service.

Mass Effect er et scifi-rollespill (RPG) laget av BioWare, de anerkjente utviklerne av RPG-spillene Jade Empire, Star Wars: Knights of the Old Republic, Neverwinter Nights, og Baldur's Gate-serien. Mass Effect er et engasjerende historiedrevet spill med fantastisk grafikk.

Det gis ut av Microsoft Game Studios og er eksklusivt for Xbox 360. Du er det første mennesket som er med i Specter, de edsvorne forsvarerne av galaksen. Ditt oppdrag er å stanse invasjonshæren til en berømt agent som har blitt skurk. Når du leder elitesoldatene gjennom fiendenes verdener, oppdager du at den egentlige trusselen er mye større enn noen kunne ha forestilt seg.

• Anerkjent spillutvikler: BioWare er tilake med Mass Effect, et nyskapende neste-generasjons rollespill (RPG) som finner sted i et åpent univers som du kan utforske mens du kjemper om å beholde freden.
• Utforsk universet: Mass Effect foregår 200 år inn i fremtiden. Det foregår i et stort univers der du kan oppdage og utforske nye planeter. Beslutningene og handlingene dine påvirker skjebnen til alt liv i galaksen.
• Spennende handling: Mass Effect utnytter maskinvaren og tjenestene tilXbox 360 og gir en engasjerende rollespillopplevelse takket være fotorealistisk høyoppløsningsgrafikk, engasjerende, livaktige karakterer og en knallgod historie i beste BioWare-tradisjon.

Mass Effect er et science-fiction action-rollespil (RPG), som er skabt af BioWare, den kommercielt succesrige og kritikerroste rollespiludvikler af Jade Empire, Star Wars: Knights of the Old Republic, Neverwinter Nights og Baldur's Gate-serien. Mass Effect byder på en fordybende, historiestyret gameplay-oplevelse med betagende visuel autencitet.

Mass Effect udgives af Microsoft Game Studios og kommer kun til Xbox 360-videospilsystemet. Som den første menneskelige Specter – svorne forkæmpere for galaktisk fred – er det din mission af standse de fremstormende hære anført af en legendarisk agent, der har skiftet side. Mens du anfører dit eliteteam tværs over fjendtlige fremmede verdener, finder du ud af, at den virkelige trussel er langt større, end nogen havde kunnet forestille sig.

• Prisvindende udvikler: BioWare er tilbage med Mass Effect, et innovativt næstegenerations action-rollespil, der foregår i et omfattende univers, som indbyder dig til udforskning, mens du kæmper for at bevare freden i en truet galakse.
• Utforsk universet: Mass Effectforegår 200 år ude i fremtiden og fordyber dig i et enormt og varieret galaktisk miljø, hvor du opdager og udforsker nye verdener. Dine beslutninger og handlinger påvirker og former skæbnen for alt liv i galaksen.
• Medrivende historie: Mass Effectudnytter næstegenerationshardwaren og -funktionerne i Xbox 360 til at levere en utroligt omfattende og medrivende rollespilsoplevelse via spillets fortolkning af iøjnefaldende, fotorealistisk high definition-grafik; fængslende, livagtige figurer med dybde og en alsidig historie i bedste BioWare-tradition.