The game was initially larger than 1 gb so we weren't able to just put them on itch (max file size)
We patched the game and made some optimizations and pushed it just below 900 MB.
There is no difference between the downloads, they are all 0.1.1
Future versions will be bigger again, then we'll probably have to resort to external.
oh yeah you can contact them and they will either lift the limit for you or do it for you - not sure yet. We'll find out when we get over the 1GB limit again.