Dying Light - One of my personal favorites. It blends zombie slashing action with quick and snappy parkour!
Supraland - 3d adventure game meets metroidvania. Supraland focuses on exploration with puzzle-solving elements. It's a pretty unique game and one that I would recommend!
Prey (2017) - Can't say much about it because it is hard not to tell someone about it without spoiling. But it's a really great game!
Deep Rock Galactic - It's just fun. You mine rocks and shoot bugs. Easy to pick up, hard to put down.
Peak - Despite what people say in calling this 'friendslop', it's a really good game! While most people play with friends, it's just as enjoyable Solo!
Strange Jigsaws - Just a bunch of strange jigsaw puzzles.
Loop Hero - Loop Hero is a simple game. You start an expedition and walk in a grid. Over time, you get pieces to expand the change the grid to net you more materials, weapons, etc.
Spelunky (1 or 2) - Spelunky is a game where you go spelunking. (surprised?)
Spelunky is also a game where you'll feel like each time you fail, you learn something and improve because of that.
Subnautica - Subnautica is an extremely fantastic game. Everything from the environments to the aliens that inhabit the planet makes the game a rather immersive survival game.
Uncharted 2 - What can I say that hasn't been said about this game? It's just a great game.
Helldivers 2 - Helldivers 2 is just a fun horde shooter, maybe on par with Left 4 Dead 2. It's got a good selection of weapons and missions. Also, all hail Super Earth.
Cyberpunk 2077 - Cyberpunk had a rough launch, which put a lot of people off from this really great game. Night City feels alive in a way no other game has managed to capture yet, and the story is one that manages to be captivating and engaging. Cyberpunk 2077 transformed from a hot mess to a great game that I highly recommend!
Inscryption - It's a fun card game with a really good story. Another game I'd highly recommend.