Would we just use our keys we own already by putting them into the system?
It seems, difficult in the purchasing manner of the game.
You'd have to just purchase a key but this does render possible problems with how that would work.
I'm probably just being dumb.
A lot of steam games have keys. The simple way for most of them is that when you buy the game, steam notifies you of your key and gives you it when the game requires it to be typed in. Its also saved in your account information for that game.
Why would that be? It would just run through the Blockland launcher as usual, the only difference being that all the Blockland files currently held in your Documents will be in Steam\Steamapps\Blockland.
This is false too, as files easily could remain in my documents. There are multiple games already on steam that have file folders in my documents. GTA 4 and its episodes along with the Fallout Series are good examples.
It really would not be that hard to put on steam, but I am not sure I would necessarily like it on their either.