Steam Next Fest, the demo-thon that runs from Feb. 24 to March 3, gives players a chance to check out dozens of upcoming new games for free. While some titles in Steam Next Fest dont yet have release dates, plenty of them are right around the corner, and a handful feel just like playing a free new game, whether you end up buying the full release or not. Were gobbling up these demos at Polygon, playing as much as we can and gathering our favorites to share with you.Mindwave builds thrillingly on a Nintendo masterpieceThe most bizarre digging game on Steam is full of love and trashThis desktop cat game is the best part of my MondayHeres a great puzzle game about one of lifes little anxietiesYou are Shotgun Cop Man, and you shoot your guns to jumpTiny Pastures is the cutest idle game so far in 2025