Massive Owl Space Library in Owlboy: Location Guide
The Massive Owl Space Library explained: where it is, what lore it contains, and how it relates to the Book of Noctae.
What is the Massive Owl Space Library in Owlboy?
The Massive Owl Space Library is the last area in the game to be reached, located above Mesos in the highest level of the atmosphere. According to the community wiki, the owls used it as their most extensive and impressive research facility, entirely for the purpose of studying The Loop — and it was there that the Hex-Machine was created to stop The Loop, and there that both the Hex and the Anti-Hex were unleashed.
Where is the Massive Owl Space Library?
It sits above Mesos, at the highest level of the atmosphere. A related community wiki entry refers to "the Great Owl Space Library above Mesos" (Hex-Machine), tying the location to that same part of the sky. D-Pad Studio's official site describes the game as an "open-world exploration game with a unique mix of flight and platforming" (owlboygame.com).
Can Otus fly in the library?
No. The air is so thin at this level that Otus cannot fly, though he can slow his descent by trying to. The community wiki does not describe how the rest of the area is traversed, so beyond the loss of flight, movement details are not officially documented.
What will you find inside?
The library is a research facility first and foremost, and the community wiki notes several things tied to it:
- It was the owls' most extensive and impressive research facility, dedicated entirely to studying The Loop.
- The Hex-Machine was created here to stop The Loop.
- Both the Hex and the Anti-Hex were unleashed here.
- The three Books of Noctae can be found in this library.
The Books of Noctae are the documented find in this area. If you are here for the story, the Hex-Machine's origin is the payoff.
Why does the library matter to the story?
It is where the Hex-Machine was built to stop The Loop, and where the Hex and the Anti-Hex were both released. Those two events are the documented significance of the area; the community wiki does not spell out further story consequences, and the game's official store page and announcements do not detail the library's narrative role.
One caveat: exact room layouts, enemy placements and collectible positions for the library are not laid out in official patch notes or store pages. Specifics about the area come from community documentation rather than D-Pad Studio itself. If a spot looks different from an older guide, assume the game is the authority.
Related guides
Related Guides
Advent in Owlboy: Home Town Walkthrough
A guide to Advent, Otus's home town in Owlboy, covering where to go first, the people you meet and the places worth visiting.
Eternal Sanctuary in Owlboy: Area Guide
What the Eternal Sanctuary is in Owlboy, where it sits in the adventure and what you need to get through this late-game location.
Floating Continent in Owlboy: Area Guide
A guide to the Floating Continent in Owlboy, including its jungle and molten areas and what players should prepare for before arriving.
Floating Tower in Owlboy: Location Guide
Where the Floating Tower is in Owlboy, what players do there, and the Tower's place in the story.