Man this game is satisfying...!
It's very fun in that special ASMR sort of way. The popping sound and the reappearing sound do a great job tickling your senses. Please do add those other play types, it would be fun to experience what makes them distinct. If there was one thing I would change, it would be to activate the particles on the player object whenever you are pressing space, so that you can tell you are moving forward. That's really only a small concern for the tutorial, as it has an open sky while the other play modes have many blobs in one place.
This game is still very new but I can tell a lot of people are going to enjoy it. Excellent job!