I just started playing Niche, though I have watched a lot of videos about it. In the tutorial, when I traveled to a new island, I got two achievements: 'Homecoming' and 'Globetrotter'. This was the first time I'm playing this! I definitely did NOT find all the islands. Since then, I've noticed that I haven't gotten any more achievements, even though I can spot a few that I should have received. For example, I should have gotten the achievements for twins and also for identical twins,  and I obvi