From the actual lawsuit documents (emphasis is mine):
Valve’s monopolization and attempted monopolization have the purpose and effect of fixing and inflating prices in the relevant market.
EDIT: Uh.... Exactly what part are we downvoting here? All I did was quote the lawsuit.
Honestly, I'm surprised Crash Bandicoot & The Last of Us barely squeaked in at the bottom of the list.
Japanese people really like Japanese devs.