Broken Steel DLC changes the final choice, allowing companions to activate the purifier, but also nullifies player's self-sacrifice decision. Fallout 3 is an especially important game in the ...

That means you get base Fallout 3 plus its various expansions like Operation: Anchorage, The Pitt, Broken Steel, Point Lookout, and Mothership Zeta. I'm a little iffy on Mothership Zeta ...