I have copied this answer from snz138 on eab:
"It was a bit tricky, but just go to the main page of the game:
https://tigerskunk.itch.io/inviyya
Then (when logged in) you should see "You own this game" on top of the page with "Download" button.
The button takes you to a page showing the files available for download.
The balance update lha is in this list 
"