I am stuck quite at the beginning:
Spoiler
I activated the elevator, got some stuff in my inventory (I don't remember what it is, there is no description for it), use the party horn on another guy, and was able to place, for whatever reason, a broken bottle over the guy in the observatory. I assume I have to wake up or move him with the crystal and later get the ring to cut the glass dome, but I have no idea how.
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