What about the airlock?
How to Get the Good Ending in Space Yandere
Never say "negative" to Luna.
Talk to Sparks every day, until he confesses love.
Get all 10 doodads.
Don't give the strange cake to Eden.
Let Sparks remove your mysterious chip.
Have Sparks and Alex join your party.
Rescue Luna from Melvin.
Talk to Luna before boarding Evac.