Source Steam Blog store.steampowered.com
Steam has always been a particularly useful storefront for free PC games, letting players expand their libraries without spending anything, and Steam's new Free-to-Keep Promotion is expanding its current October lineup. Publishers and developers regularly use limited-time giveaways, such as the FTK Promotion or Free Weekends, to put older and lesser-known games in front of larger audiences. Of the two, Steam's Free-to-Keep Promotion is especially appealing because the games aren't…