This birthday edition seems to be quite unfinished, as that jerkface in one of the possible endings says. A whole bunch of CGI images are never being used in the script, a bunch of collected variables never checked, making a bunch of choices in dialogs useless. Like about a third of the game is completely missing.
I got bored from trying to open new paths by giving different combinations of answers in the game and checked out the script to see what actually happens there. And what I found is that a whole bunch of answers just sets some variables that will never be checked anywhere in the game. I didn't count all possible endings, but there aren't many there, actually. And only one gets far enough to see sis's pussy, all others end before that. A bunch of images from other endings are never used.
Script is a bit difficult to read because variables seem to be in Polish. I think it's Polish, not sure.
Today he made a post on his patreon page about that:
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I have added some fixes to the Birthday Edition.
- New erotic ending. (spoiler: you have to be at least 3 times nice to Julia and firmly at least twice) Or ask a good fairy for help At the end of the erotic conversation with Julia choose the option: "Be strong").
- I fixed some bugs and rebalance the game (now it's easier)
- After talking with a good fairy you don't start the whole game again. You are moving into an erotic conversation with Julia.
- The Mac version is available.
I have added some fixes to the Birthday Edition.
- New erotic ending. (spoiler: you have to be at least 3 times nice to Julia and firmly at least twice) Or ask a good fairy for help At the end of the erotic conversation with Julia choose the option: "Be strong").
- I fixed some bugs and rebalance the game (now it's easier)
- After talking with a good fairy you don't start the whole game again. You are moving into an erotic conversation with Julia.
- The Mac version is available.
"