Spore is good. start out in the ocean find land evolve customize your creature make freinds and foes and take over the world.

Pixel Piracy is a great pirate simulator. you buy crew buy supplies fight other ships and get really good. and the pixel art is really good.

Brawlhalla is a great fighting game super smash bros for the computer. plus its FREE deffently try it.

excellent zombie survival games. kill zombies craft build survive basicly single player. but when in multiplayer you do all that and pvp

Cobalt is a great game to play. it has very fun game mechanics and a fun multiplayer. however the story mode is not to great but still an awesome game.

Dota 2 is a VERY hard game to learn. but if you put in the time you can get REALLY good. but its free so just give it a try.

Trove is a fun MMORPG buying classes defeating shadow towers and having i freind makes it much easier and more fun

Terraria is a game that you can do MANY things in. kill bosses, mine, build, and craft. and bring a freind along for so much more fun