cosmic comet
There is a bug, this takes advantage of the time and settings, and it allows you to abuse the offline income by travelling back and forwards in time. This affects leaderboard time scores, as demonstrated here. This can be performed on all versions (I think)
Also, I do this to prevent giving myself finger tumours.
cosmic comet
I used it to beat the tea event before it was supposed to start 🫠
last moon
This isn't a bug, it's just cheating