The major Mass Effect 2 DLC included in the Legendary Edition are as follows: Regardless, we have covered it in our Mass Effect 1 guide. This is because developer Demiurge Studios discovered that its source code was corrupted when Mass Effect 1 was ported to the PlayStation 3 in 2012. Unfortunately, Bioware was unable to include Mass Effect 1's other piece of DLC content: Pinnacle Station. Bring Down the Sky: Traverse a huge asteroid in the M35 Mako to stop Batarians from wiping out all life on one of Humanity's most successful colonies.Mass Effect 1 only includes one piece of DLC in the Legendary Edition: