Library Keys Overview

How Keys Work

Clean The Library hides four permanent upgrade keys throughout the two-floor library map. Unlike magic abilities unlocked by shelving milestones, keys are physical collectibles discovered through exploration and jump puzzles. Once picked up, each key grants a passive bonus for the remainder of your run and all future sessions on that Roblox account.

The four keys are: Crimson Octagon (jump height upgrade), Golden Diamond (+3 carry capacity), Azure Star (+2 carry capacity), and Emerald Club (sprint speed). Together they provide +5 extra carry beyond base, maximum jump for elevated platforms, and sprint for long second-floor aisles sections 2A–2Q.

Key collection order affects build efficiency—see upgrade order and the video key collection route guide for optimized paths that avoid empty-map backtracking.

Key Summary

Crimson Octagon — improves jump height to reach elevated key platforms, rail objects, and second-floor shortcuts without Max Jump gamepass.

Golden Diamond — largest single carry boost at +3 books, reducing trips between hub piles and shelf wings like 1D Science or 2G Engineering.

Azure Star — additional +2 carry stacking with Golden Diamond for five extra volumes total beyond starter capacity.

Emerald Club — unlocks sprint movement for cross-map routing, essential for speed badges and comfortable second-floor play.

Keys in Co-op

Keys are account-bound per player—each teammate must collect their own set. Co-op squads should call key locations aloud when discovered so others can path efficiently on subsequent lives or new accounts.

Designate a key hunter role early in co-op sessions while others maintain pile Sort throughput on first floor. Jump key often gates others on elevated spawns.

Gamepass Max Jump (29 Robux) and Max Speed (99 Robux) partially substitute Crimson Octagon and Emerald Club for Robux spenders—see items overview.