Thank you very much! So a goal I had for this game jam was to learn additive loading in unity. So the answer is no - there were technically 7 separate scenes (excluding the credits), but I wanted to give the illusion that there was never any transition.
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Yea, the scene would break, then they would hit a trigger that loads the next scene. After a delay, the previous scene unloads. This way the player could see the previous scene fall even when they got to the new area. It was a fun experiment - I think there's still a lot for me to learn, but it was great being able to transition between scenes without a load screen.