Escape from a certain observatory

[Mistery]

Escape from the observatory created by Tatsuyama. Good luck!
There are 2 endings.

Play Here

Please use spoilers for hints and walkthroughs:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[tipper75]

I found the three letter code from the arrows hint, and three rocks but I lost one in the box with the hex head bolts. I have also turned on the constellations.

Found screw driver.

Out with both ends.

[huggy]

Out with both ends...