Steam Workshop, the online platform that allows gamers to make in-game items for Valve titles such as .

"So far, the total payments made to individuals for the creation of in-game items sold in Team Fortress 2, Dota 2, and Counter-Strike: Global Offensive have passed $57 million. This money was earned by over 1,500 contributors spread out across 75 countries.

"Today we're happy to announce that after a ton of work, the first curated Workshops for non-Valve games have opened: Dungeon Defenders: Eternity and Chivalry: Medieval Warfare. This is really exciting news and means that more high quality content will be available for the game you love playing. Plus, purchases of this great new content directly enables those community members to continue practicing their craft and making more awesome content."

Valve added that more curated Workshops would open up to creators and players in the coming weeks and months.