https://www.origin.com/en-us/store/free-games/on-the-house

• Free?! What’s the catch?
• There’s no catch. Grab full games, expansions and more at absolutely no cost. Just make sure to act fast because On the House specials can appear and disappear at any time.
• You mean a trial or demo, right?
• Nope. You’re getting a full version of the real game — for free!
• How long will I own the game?
• Once you’ve claimed your game, it’s yours to keep!
• Why is Origin doing this?
• Our goal is to provide a great gaming experience and a way to discover awesome new games. Having a game in your library, for free, is a fantastic way to see what Origin is all about.