Yes, you can play Mass Effect on the Xbox One. The game was released for the Xbox 360 in 2007 and was later ported to the Xbox One as part of the Mass Effect: Andromeda Deluxe Edition.
Yes, Mass Effect 2 is backward compatible on Xbox One.
No, Mass Effect 2 is not Xbox exclusive. It was released for Xbox 360 and PC in 2010, and PS3 in 2011.
There is no confirmation yet, but it is likely that Mass Effect Legendary Edition will be available on Xbox Play Anywhere.
The length of the Mass Effect 1 campaign will vary depending on how much you explore and how much you choose to do side quests. It is possible to complete the game in around 10 hours, but most players will take closer to 20-25 hours.
It depends on how you play the game. If you rush through it, you can beat it in around 10 hours. However, if you take your time and explore all of the different side quests, it can easily take up to 30 hours.
The Xbox One is not legendary. It is a good console, but it is not the best.
Yes, both Mass Effect 2 and 3 are backward compatible on Xbox One.
The main story of Mass Effect is about 15-20 hours long, but there is a ton of side content that can add dozens of hours to the experience.
The second disc for Mass Effect 2 is the installation disc. It contains all of the game files necessary to install the game on your computer.
