Mass Effect is day 11 of our series on 15 Xbox classics you can still play on Xbox Series X|S. BioWare’s science-fiction role-playing game launched as an Xbox 360 exclusive in 2007, and the original version is still playable today through backward compatibility and Game Pass.
Mass Effect at a glance
- Developer: BioWare
- Publisher: Microsoft Game Studios
- Original release: 20 November 2007 (North America), 23 November 2007 (Europe)
- Original console: Xbox 360
- Xbox Store price: £14.99 / $19.99
- Game Pass: Premium and Ultimate (through EA Play)
- Backward compatible since: 12 November 2015
What is Mass Effect?
Mass Effect is set in the Milky Way in 2183. You play Commander Shepard, an elite human soldier who’s sent after Saren Arterius, a rogue agent working to bring about an invasion by the Reapers, an ancient race of machines. Shepard becomes humanity’s first Spectre, an agent of the galaxy’s ruling Council, and takes command of the starship Normandy.
Combat happens in real time as a third-person shooter, with squad powers and role-playing customisation layered on top. Conversations use a dialogue wheel: options on the left usually dig deeper into the conversation, and options on the right move it on. Your choices shape how characters react and change parts of the story. Between missions, you can explore uncharted planets in the M35 Mako, an all-terrain vehicle.
Mass Effect’s history on Xbox
Mass Effect was directed by Casey Hudson, who’d directed BioWare’s Star Wars: Knights of the Old Republic. Preproduction started in early 2004. Because the team already knew the original Xbox well, it chose to build the game for the Xbox 360. About 130 people worked on it over three and a half years, using Unreal Engine 3 as a base.
It was planned from the start as the first part of a trilogy. Rather than a blank protagonist, BioWare wanted players to play a defined character who makes big decisions. The team also wanted to turn the pause-and-play combat of Knights of the Old Republic into a real-time shooter. Lead writer Drew Karpyshyn and his team spent three years writing about 400,000 words, with more than 20,000 lines of spoken dialogue. Jack Wall, who’d scored Jade Empire, wrote the music with help from Sam Hulick, mixing late-1970s and early-1980s electronic sounds with an orchestra.
Microsoft announced Mass Effect as an Xbox 360 exclusive at its X05 event in Amsterdam on 4 October 2005. A demo at E3 2006 won Best Role Playing Game at the Game Critics Awards. It went gold on 22 October 2007 and launched that November.
Two add-ons followed. Bring Down the Sky came out on 10 March 2008 and sends Shepard to stop an asteroid from hitting a colony world. Pinnacle Station arrived on 25 August 2009 with combat simulator challenges. Mass Effect 2 followed in 2010, and Mass Effect 3 in 2012.
Why it matters
Mass Effect was one of Microsoft’s big Xbox 360 exclusives and the start of a trilogy planned from day one. Saves from the first game could carry choices forward into Mass Effect 2.
In 2021, the whole trilogy was remastered as Mass Effect Legendary Edition. It includes Bring Down the Sky, but Pinnacle Station was left out because its source code had been lost. That leaves the original Xbox 360 version as the only one on Xbox that ever had it.
The series is also in the news. In October 2026, EA’s decisions about BioWare’s future led some fans to call on Xbox to buy Mass Effect. We looked at that in our piece on why Xbox shouldn’t gamble on Mass Effect now.
How to play Mass Effect on Xbox Series X|S today
Mass Effect was part of the Xbox One backward compatibility launch line-up on 12 November 2015, and it runs on Xbox Series X|S too. You can buy it from the Xbox Store for £14.99 or $19.99.
It’s included with Game Pass Premium and Ultimate through EA Play. See our Game Pass tiers guide for what each plan includes.
The original doesn’t have Xbox One X enhancements or FPS Boost, so it runs as it did on Xbox 360.
If you own the Xbox 360 disc, an Xbox One or Xbox Series X will recognise it and download the backward-compatible version.
More on Mass Effect
Our Mass Effect hub covers the original game. Tomorrow, the series moves on to Mistwalker’s Lost Odyssey.
