Another Joystiq Deal, this one available for three more days, offers a Steam code for Roller Coaster Tycoon 3: Platinum for $5.
In standard sale news, Company of Heroes 2 is free on Steam now through Sunday at 1PM PT. If you play it and want to buy it, the game is 66 percent off, $13.60, through Monday, April 28. Roguelike action platformer Risk of Rain is 66 percent off in a Steam Daily Deal, making it $3.40 through Sunday at 10AM PT.
GOG is hosting a Supremacy Special weekend sale on strategy games, offering the Age of Wonders series, Galactic Civilizations, Fragile Allegiance and others for up to 80 percent off through Monday, April 28 at 8PM PT.
Joystiq Deals is a partnership between AOL and StackSocial. A portion of sales goes to funding this site. Deals are curated by StackSocial independently of the Joystiq editorial team.