I finish the level 150 but I don't known how to have this achievement : Edge of the World Somebody to help

I have I have completed all the levels (150). But I didn't get any achievements. Maybe it's a bug?

This guide shows how: https://steamcommunity.com/sharedfiles/filedetails/?id=2953971728 Thanks for making and posting it. I'm putting out a separate thread for it here, for those of us who don't read chinese characters and may otherwise miss the guide :-)...

I get to the platform with cub but nothing happens. This seems to be the goal of this level. Im not sure if this is a bug (l play on MacOS) or if Im doing something wrong 🤔 Please help 🙇‍♂️

I completed the first 10 levels and really enjoyed myself; the "hint system" is, in my opinion, weak: all it does is show the number of squares each "platform" can move before melting. Instead, if I could see the "next" platform I need to move to, I would buy this game. I ike the fact that it requires planning, that the difficulty increases gradually (I'm sure it gets even harder), but I don't buy a "brain teaser/puzzle" game if I can get stuck and make no more progress. I did place it in my wishlist, in ...