Free and Free-to-Play Games Roundup

Here's a roundup of some games that are free to keep and some that are free-to-play for the weekend (thanks SteamDB). One of these is a free weekend for DCS: UH-1H Huey on Steam, so we also should point out that a Sunday will mark the beginning of DCS Fly Everything for Free event (thanks Olaf). This will last for an entire month so that's your heads up to dig out your joystick if you're interested. Here's the list of freebies, including some that have already been mentioned here for completeness:

Free to keep:

Free to play for the weekend: