Some tutorials appear in locations where they shouldn't, because they appear on first instance of event - pick-up or cell division or other - and this event occurs in more than 1 chapter, so you can skip the moment where they were supposed to happen and trigger them too late.
[x] checkpoint tutorial pop-up should only appear on first checkpoint, in chapter 1, and not potentially on every chapter.
[x] plasmid + induced promoter step-by-step tutorial should only appear on first instance of pickable plasmid, and not later, in chapter 8.
Some tutorials appear in locations where they shouldn't, because they appear on first instance of event - pick-up or cell division or other - and this event occurs in more than 1 chapter, so you can skip the moment where they were supposed to happen and trigger them too late.