Hello,
I've added a game (https://www.adventuregamestudio.co.uk/site/games/game/2406-paper-planes/) to the database.
There's only one link to a Windows version on Gamejolt so I didn't check any of the Linux, MacOS, Android or iOS boxes.
However, if you click on the "download" button, every possible version appears.
I didn't notice that with the other games. Did I make a mistake?
That was a bug. Fixed now!