Remco1986 said:The Collection is synched with your library on Steam. Maybe you can hide/remove them there? Or just put them as 'Hidden' in your Collection for the Play Status, and set your filters in such way that Hidden is not included.
I did this shortly after my post, and they've not returned. Now if only the devs would make a few achievements easier and add some features to the game, I could go back to 100% achievements.
NOTE: I don't play many games on Steam since all the games I play for the most part are on Xbox.