SEGA is giving away free games on Steam as part of its "Make War Not Love 3" promotion. The games are Jet Set Radio, Golden Axe, and Hell Yeah! Wrath of the Dead Rabbit and its DLC.
You can add these games to your game library by simply logging into Steam and click install. According to SEGA, doing this on one title will automatically earn you the remaining titles.
A new set of games will be available in a few days, including Binary Domain, Streets of Rage 2 and Condemned: Criminal Origins.