Champions Online among first wave of titles.
Valve has announced Steam support for free-to-play titles with immediate effect.
Five launch titles are available now: Spiral Knights, Forsaken Worlds, Champions Online: Free for All, Global Agenda: Free Agent, and Alliance of Valliant Arms (AVA).
Starting tomorrow with Spiral Knights and ending on Sunday with AVA, each one will get a ‘F2P Game of the Day’ slot which will see exclusive in-game extras up for grabs.