If you're looking to get some multiplayer games, try out Rainbox Six Siege, Town Of Salem or Rust. If you're just looking for a game to fool around with your friends, would recommend Portal 2, Keep Talking And Nobody Explodes or something as simple as Farming Simulator 15/17. You could also try out some of the singleplayer games like Undertale, or The Binding Of Isaac which are quite fun and have an amazing story, there's also a fun 2016 release called Inside, its a 2.5D puzzle sort of thing, or you could get Limbo, it's made by the same developers and also is equally fun. You can also try out Selma and the Wisp, its also a puzzle game, it has an amazing soundtrack and I actually have met the developers, and they're amazing at what they are doing.