User blog comment:Lost Labyrinth/EA to go 100% digital. What does this mean for The Sims series and players?/@comment-5005548-20120710141718/@comment-5005548-20120719062527

In response to the idea of burning onto a disc, that is a good idea. However, I'm concerned about highly restrictive DRM.

http://forums.steampowered.com/forums/showthread.php?t=1649582

At that link, it basically says that even if you were to create backups of Steam games, you would still need to have Steam installed for them to work.