Blue Rooms
001-012
013-024
025-036
Bedrooms
Green Rooms
Further rooms
Studio Additions
Studio Additions
Found Floorplans
Found Floorplans
Outer Rooms
Outer Rooms
Planetarium
Jump to navigation
Jump to search
Spoilers Ahead
This page contains spoilers for a Found Floorplan. View at your own discretion.
Planetarium
A circular theater featuring a dome shaped projection screen upon which scenes of the stars and galaxies allow viewers to experience the splendor of the heavens.
The Planetarium is a room in Blue Prince. It is listed as Room 1 of the Found Floorplans page in the Room Directory.
Drafting
The Planetarium is permanently added to the draft pool after finding the floorplan on the Estate. It is located in the Observatory.
Points of interest
Documents
The Observatory contains a star schedule for all the Constellations that can be observed in the Observatory.
Effect
Ending the day in the Planetarium will increase star 
count by 2. Despite the language in the description, it's not necessary to "call a day" inside, as simply running out of steps inside will trigger the effect in the same way.
Spoilers Within
This section contains spoilers for a Planetarium secret.
Click to view
Entering the Planetarium while having the Telescope will prompt players to use it. Each use will reveal one of five planets, granting a permanent addition to the Planetarium.
Interactions
As a Tomorrow Room
- Having the Chronograph makes drawing the Planetarium more likely.
[Studio Addition: Clock Tower] Drafting the Planetarium will cause the Clock Tower to grant an additional key tomorrow.- [Satellite Dish Spoiler] Drafting the Planetarium can trigger a particular experimental trigger, added after raising the Satellite Dish and downloading the data packet, which is activated by drafting Tomorrow Rooms.
As a Dead End
- Activating Draxus, the Dead makes the Planetarium more common today.
[Outer Room: Tomb] Drafting the Planetarium will spread 5
in the Tomb.
[Upgrade Spoiler: Cloister] The Planetarium can be drafted from the Cloister of Draxus. Doing so immediately provides 4
.- [Book Spoiler: Drafting Strategy: Architectural Digest Vol. 5] The Planetarium counts towards the 20 Dead Ends required for the Drafting Strategy Sweepstakes.
Additional information
- [Mail Room Experiment Spoiler] The Planetarium is mentioned indirectly in Randolph's sixth letter as a floorplan which had been removed from the Drafting Studio and hidden in the Observatory.