Sixth- and seventh-gen games
If you long for PlayStation 2- and Xbox 360-era games, and can find them on Steam (there are quite a few), the Steam Deck is going to have no problem keeping you entertained for a while.
Generally speaking, games from the 2000s seem to be very kind to the Steam Deck’s battery, and some early 2010-era games aren’t too rough either, especially if you drop the framerate to 30 (which is honestly what those games usually ran at on consoles anyway). Examples include Fallout: New Vegas, Dishonored, Vanquish and Skyrim, to name a few.
There are some exceptions. For example, I noted that the Master Chief Collection’s Halo 3 drains the battery a little far beyond what I’d feel comfortable with on a long train ride.
