What game / game items are worth to play and collect items and then sell?

Games that I think you should check out, If you're into things such as Tower Defense games I offer a 3D Tower defense with a great customization, Dungeon Defenders - Only Dungeon Defenders 1 as there is a small community still playing but its very helpful, You should check this game out because I've put over 250 hours into it and its still extremely fun completing the game a few times and all the challenges. Second game I reccomend checking out is RWBY Grimm Eclipse, This game is an anime game but its extremely fun with 8 characters that you can play and level up constantly, The only downfall is that the game is quite short and you just keep repeating it over and over again which can get quite boring. And thats really all I play currently.