Steam has added yet more free-to-play games to its already massive library. Here are some of the coolest-looking ones.

“Let’s get our people educated or informed about the possibilities that they can have here,” Betsy Payne, manager of the organization that runs the map, Philadelphia STEM Ecosystem, told Technical.ly.

This free STEM sports curriculum provides students the opportunity to develop STEM skills through online, interactive hockey math games ... is a great way to expose kids to the sport of hockey ...