I played and finished the game, i achieved about 7 achievements but in steam, zilch achievements, please fix!

I'm missing 1 collectable from Tui at the sand cave, my best hint is that is in there: https://steamcommunity.com/sharedfiles/filedetails/?id=2784608940 However i can't figure out how to unlock that barrier to get into.

- The in-game achievement box popup is right on top of the speech boxes and it doesn't seem to go away. - Controls feel a little too slippery in mid air and are a little hard to get used to. - Some water pools don't have low enough ledges nearby, and if you fall in you're stuck losing health until you respawn. Apparently you can't double jump out from water? Otherwise I had a nice time with the demo for Imp of the Sun, thanks & good luck! ...

Honestly can't tell. Animations look terrible in trailer.

First of all, the game is very, very nice. I love the art style, the music is great and the combat is OKAY atleast. But one major thing is that the jump height is fixed, which I just don't understand for a metroidvania game. Also, the main reason why I decided to refund this game, even though I enjoyed it and really wanted to finish it, is that steam achievements don't work, and the developers seems to ignore forums and seems to just have abandonded this game. Looking at the achievement stats, almost eve...