I'm glad you enjoyed it.
The game wasn't built in 72 hours tho, that was the deadline for another game jam.
I agree, it needs a tutorial and the "repair" mechanic needs more work.
The way I wanted to integrate the story would have taken too much work so I left it for future updates. Haven't played around with 3D animations in Godot yet.
Didn't even managed to mention the full name "Defend the door" -> DEDOR =)
Thank you very much for the feedback!