What video game have you played the most, that you think is garbage and no one else should ever play?
I have played Eve Online so many hours, and it's a bad game. Don't do it. you will spend hundreds of hours dreaming about the cool thing you'll do later, but for 99% of players the cool thing will never happen. You will be part of the one percent's cool thing.
Space Engineers. Hou can do lots of cool engineering things, but the venn diagram of "fun" and "bugged beyond belief" is nearly a perfect match. If it works, it is peobably boring, like the crafting system.
I had such hopes for SE but seeing the developers drift into some dimension where the game works and it's time to sell dlc... Oh well. Hope their awesome AI startup that will definitely fly SE spaceships when it's done is coming along.