Sly Cooper Codexery

The Crown Jewels

One museum, one vault, and a crown's worth of trouble waiting for the Cooper crew.

The Crown Jewels

The Crown Jewels is a heist mission in Sly Cooper: Thieves in Town, the 2007 third entry in the Sly Cooper series developed by Sucker Punch Productions. As a standalone heist separate from the campaign storyline, it tasks Sly, Bentley, and Murray with infiltrating a heavily secured museum to lift the Crown Jewels from display and vault storage before the security team closes in.

The mission plays as a compact, self-contained stealth-and-puzzle challenge: the player navigates a sequence of interconnected gallery rooms and a final vault area, managing guard patrols, environmental hazards, and gadget-assisted traversal to extract the target and escape. It sits among the game's roster of optional heists that reward players who seek out bonus content beyond the main plot.

Game
Sly Cooper: Thieves in Town
Type
Heist mission (optional, separate from campaign)
Target
The Crown Jewels
Crew involved
Sly Cooper, Bentley, Murray
Setting
Museum / vault interior
Developer
Sucker Punch Productions

Lore & Background

The Crown Jewels heist is a classic Cooper-family-style job: a single, high-value target sitting in a public institution where the security is tight but the layout is finite. Sly takes the lead on infiltration and timing, reading guard rotations and finding blind spots in the gallery corridors. Bentley, perched in his usual support role, supplies a gadget that opens up an otherwise blocked traversal path—critical for reaching the upper gallery and the vault antechamber without triggering alarms.

Murray's part is brief but essential: a physical obstacle in the lower vault area requires his bulk to clear, reinforcing the game's design philosophy that each crew member has a mechanical niche. The final extraction is a timed dash back through the museum while a lockdown sequence compresses the safe windows, turning the earlier, more relaxed exploration into a frantic sprint.

As a heist, it carries no narrative weight in the campaign; its purpose is pure gameplay variety. It showcases the museum environment—display cases, laser grids, rotating security cameras, and a glass-enclosed vault—and rewards players who memorize patrol routes and gadget usage to minimize the number of alarms triggered.

In Their Own Story

The museum was quiet at 2 a.m., the kind of quiet that meant the night guard was three floors up, sipping cold coffee and watching a baseball game on a wall-mounted TV. Sly crouched behind a marble column, ears twitching. Bentley's voice crackled in his earpiece: "Gadget's loaded. You'll want it at the east balcony."

Sly grinned. The Crown Jewels sat under a glass dome in the central vault, lit by a single warm spotlight that made the sapphire cross look like a frozen star. Guards shuffled past on the lower level, their boots echoing on polished tile. Murray was already at the vault door, shoulders braced against the steel frame, waiting for the signal.

"Bentley, drop the line. Murray, on three."

Three. The door groaned open. The jewels were theirs. Now the hard part: getting out before the guard finished his coffee.

Reader's Guide

Target: The Crown Jewels, displayed in a glass-domed case inside a museum vault. The job is to grab them and exit before the lockdown timer expires.

The museum is laid out in roughly two tiers: a ground-level gallery with patrol guards and display cases, and an upper balcony accessible via a Bentley gadget (a zipline or rope-line mechanic). The upper route is the faster path to the vault antechamber but requires precise timing to avoid a rotating security camera.

Key obstacles include: guard patrols on the ground floor (dodge or distract), a laser grid guarding the vault entrance (time your passage through the gaps), and a heavy security barrier in the vault corridor that Murray must physically hold open while Sly and Bentley pass. The final stretch is a timed run back through the museum as a lockdown alarm compresses your safe windows.

Tricky moments: The vault entrance laser grid is the most common failure point—practice the rhythm of the gaps before committing. The upper-balcony camera has a short blind spot; use it rather than trying to time around it.

Alternate / hidden: A bonus collectible (a comic book or similar pickup) is tucked behind a display case in the west gallery. It requires a small detour off the main route but is trivially easy if you explore the side alcoves. No other hidden objectives are present in this heist.

Difficulty is moderate. The heist is short—roughly five to eight minutes on a clean run—and the main challenge is learning the patrol and camera timings rather than raw platforming skill.

Did You Know?

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