Personally, I really think a play-later sort should be added. I see tons of good looking games all the time, but rarely have the time to play them. So I favourite them all on site so I can find them again when I have time to play.
This is not ideal for two three reasons.
A) I had to sacrifice my favourites sort for this
B) It is linear and previously favourited games may become hidden behind new ones.
C) The favourites sort is currently located at the very bottom of the page and not convenient to access.
The addition of a play-later sort would
A) allow me to use the favourites sort as intended
B) quickly find games that caught my interest in the past to play when I do get the time
A play-later sort should have/be:
A) quick and easy to add games to and remove games from
B) have an option to sort by most recent
C) have an option to sort by random (so older ones can be shown instead of only the most recent)
D) optional algorithmic filter to allow the algorithm to predict which from the list one would be most likely to enjoy (last minute suggestion and the least important)