When you are racing a boss or a clock in Blue Prince, the Gem Cost of a Room is usually the number that matters most. This page ranks all 110 Rooms by Gem Cost straight from the data, highest first, so you can see at a glance which rooms drain your economy and which are free.
The full Rooms list (ranked by Gem Cost)
| Name | Rarity | Gem Cost | Notes |
|---|---|---|---|
| Throne Room | Rare | 5 | The former seat of power of Orinda Aries before the current era and the rise of the red banner. |
| Trophy Room | Rare | 5 | The polished brass of the treasured laurels filling the trophy cases of this room reveal the pride… |
| Attic | Rare | 3 | High above the mansion in its lofty perch, Mt. Holly’s Attic provides curious explorers with a… |
| Cloister | Unusual | 3 | A covered walk and colonnade surrounding an enclosed and seemingly inaccessible garden. A solitary… |
| Rotunda | Rare | 3 | A circular chamber with a domed ceiling adorned with an array of mechanical gears. In the center of… |
| Vault | Rare | 3 | A secure onsite depository fitted with steel walls and numbered lockers. This fortified strongroom… |
| Ballroom | Unusual | 2 | An opulent hall with a polished mirror floor. In the old days, numerous balls and dances were held… |
| Drafting Studio | Rare | 2 | As an architect and engineer, it was not uncommon to find your great uncle spending the better part… |
| Foyer | Unusual | 2 | The grand baroque hall of Mt. Holly is impressive to behold. This ornamented passage is flanked… |
| Master Bedroom | Rare | 2 | H. S. Sinclair’s own room. Though perhaps soon you may consider it your own. |
| Music Room | Unusual | 2 | A small recital hall providing an ideal setup for musical performers and accompanists. It is not… |
| Office | Standard | 2 | The late Sinclair’s personal home office, a room he used exclusively for business affairs and the… |
| Passageway | Commonplace | 2 | A long cramped series of unfinished passages used primarily by the servant staff to traverse the… |
| Showroom | Rare | 2 | An array of jewelry display cabinets showcasing an impressive selection of high-priced items, each… |
| Veranda | Unusual | 2 | This relaxing breezeway serves as an ideal spot for rocking chairs and lemonade. |
| Aquarium | Unusual | 1 | In addition to having a bouquet of colorful fish swimming within them, each tank in the Aquarium is… |
| Boiler Room | Unusual | 1 | A utility room serving as a central hub for controlling the heating and steam power supplied to… |
| Commissary | Standard | 1 | The staff commissary is always stocked with household goods and supplies at a reasonable cost. This… |
| Conservatory | Unusual | 1 | This baroque arboretum showcases and preserves the rarest specimens of every type and variety… |
| Courtyard | Standard | 1 | A charming spot granting guests a bit of fresh air and open skies within the privacy of the manor… |
| Drawing Room | Commonplace | 1 | A social sitting room adorned wall to wall with artwork and drawings. An unfinished sketch of your… |
| Garage | Unusual | 1 | Entering and exiting out through the west facing private drive, the Garage serves as a more… |
| Greenhouse | Standard | 1 | This room is always warm as its glass walls and roof help to retain the sun’s rays. The gardener,… |
| Kitchen | Commonplace | 1 | A standard kitchenette with all the typical amenities: a stove, refrigerator, oven and sink. This… |
| Laboratory | Standard | 1 | A fully staffed research facility furnished with all manner of scientific equipment and measurement… |
| Laundry Room | Rare | 1 | A standard hub of domestic toil complete with washers, dryers and a state of the art steampowered… |
| Locker Room | Rare | 1 | This poolside Locker Room is of course not always poolside, but it is much more convenient for… |
| Locksmith | Unusual | 1 | Considering the amount of floor plans and different doors that can appear on any given day, it was… |
| Nursery | Commonplace | 1 | One of the few rooms you vividly remember from your visits here in your youth. Though even at that… |
| Observatory | Standard | 1 | Housing an impressively large telescope, Mount Holly’s observatory is a window to the world above… |
| Patio | Standard | 1 | A roofed outdoor seating area located along the permieter of the estate. During the summer… |
| Rumpus Room | Standard | 1 | A uniquely modern fashioned gaming room, the Rumpus Room has provided many guests of the estate… |
| Secret Passage | Unusual | 1 | A small “deadend” room with an ordinary bookcase, that exemplifies that the best means to escape… |
| Security | Standard | 1 | A control room with state of the art surveillance equipment, inventory system, and access control… |
| Servant’s Quarters | Unusual | 1 | A cold empty room, devoid of ornamentation and personal effects. This suspiciously humble bedroom… |
| Solarium | Standard | 1 | |
| The Pool | Standard | 1 | An indoor Orindian pool was one of the more modern additions to the estate, the inclusion of which… |
| Walk-In Closet | Standard | 1 | The stylish and smart clothes in this generously sized closet belong to the former Mistress of the… |
| Billiard Room | Commonplace | 0 | This smoky backroom, featuring a pool table and fully stocked bar, has served as a retreat on more… |
| Chamber of Mirrors | Rare | 0 | Reflections of reflections, this confusing room can sometimes prove disorienting to the wayward… |
| Closet | Commonplace | 0 | A very modest recessed space used for storage. This particular closet is favored by the junior… |
| Coat Check | Standard | 0 | A cloakroom where guests may leave their coats, bags or hats in exchange for a claim ticket. This… |
| Conference Room | Unusual | 0 | In his latter years, H. S. Sinclair had become withdrawn from public life and conducted all… |
| Dining Room | Standard | 0 | An intimate and warm room with a large dining table boasting a serving tray with a silver dome… |
| Freezer | Rare | 0 | Dedicated to deep freeze and cold storage, Mt. Holly’s freezer is an insulated space kept almost as… |
| Library | Unusual | 0 | Two stories of wall-to-wall books surround the reader in this room, exhibiting either a bountiful… |
| Mail Room | Unusual | 0 | A dedicated mailing room in which incoming and outgoing post and packages are sorted and then… |
| Parlor | Commonplace | 0 | This cozy lounge furnished with couches and armchairs serves as the perfect social setting for… |
| Pump Room | Unusual | 0 | This facility, dedicated to the filtration and flow of water throughout the estate, houses five… |
| Room 8 | Rare | 0 | Unsurprisingly, Key 8 unlocked a door leading to a familiar looking room, a cryptic room that had… |
| Sauna | Unusual | 0 | A traditional wood-lined Corarican style sauna, temperature controlled and exceptionally relaxing… |
| Storeroom | Commonplace | 0 | A dedicated storage space filled from end to end with a surplus of chairs, carpets, paintings and a… |
| Study | Unusual | 0 | After the passing of Baroness Auravei, her private study was claimed by her eldest son, Herbert… |
| Utility Closet | Standard | 0 | One benefit of the restoration of old buildings is that it allows the owners to update and add… |
| Wine Cellar | Unusual | 0 | A short staircase leads down to this below ground cellar revealing an impressive collection of… |
| Workshop | Unusual | 0 | Springs, screws and coils scattered atop the workbench show signs of this room’s frequent use. A… |
| Antechamber | N/A | — | From its root meaning “The Room Before”, all signs and paths point toward the Antechamber. This… |
| Archives | Unusual | — | Countless shelves of documents and towering file cabinets make this otherwise immense space seem… |
| Bedroom | Commonplace | — | A familiar room that you may have slept in at some prior visit in the past. Like most bedrooms of… |
| Bookshop | Rare | — | |
| Boudoir | Standard | — | A private salon with a plethora of fainting couches and chaise longues that served both as a… |
| Bunk Room | Unusual | — | The rustic, wooden stacked bunk beds evoke the enticing promise of campfire stories and childhood… |
| Casino | Unusual | — | |
| Chapel | Commonplace | — | A private sacristy, as ornate as the most lavish rooms of the estate, is watched over by eight… |
| Classroom | Unusual | — | |
| Clock Tower | Unusual | — | |
| Closed Exhibit | Rare | — | A painstakingly produced accurate reproduction of one of the so-called “Closed” Exhibits of the… |
| Corridor | Commonplace | — | A long hall with two doors at either end that had been one of your uncle’s most frequently traveled… |
| Darkroom | Standard | — | A room dedicated to photo processing, development and print-making. This room is outfitted with… |
| Den | Commonplace | — | A more traditional family room, warm and inviting. So comfortable, one might assume that the… |
| Dormitory | Standard | — | |
| Dovecote | Unusual | — | |
| East Wing Hall | Unusual | — | This fenestrated hallway overlooks the east side of the estate grounds and is warmed in the early… |
| Entrance Hall | N/A | — | Past the steps and beyond the grand doors, admission to Mount Holly is granted by way of a dark and… |
| Furnace | Rare | — | The main centralized heat source for the estate. You may find yourself starting to sweat after… |
| Gallery | Rare | — | A small chamber dedicated to the exhibition of art, ideal for showcasing smaller series and… |
| Gift Shop | Rare | — | Thank you for visiting Mount Holly. We hope you enjoyed your stay here! |
| Great Hall | Unusual | — | A room of many doors and even more choices. The Great Hall is unquestionably the largest hallway of… |
| Guest Bedroom | Commonplace | — | A small bedroom maintained and kept available for accommodating weekend guests and impromptu… |
| Gymnasium | Standard | — | A half-court intended for basketball and racquetball which is seldom used by anyone apart from the… |
| Hallway | Commonplace | — | One of the many nondescript hallways snaking through the estate and providing elegant causeways… |
| Her Ladyship’s Chamber | Rare | — | Tucked quietly away in the west wing of Mount Holly is the decorative bedroom of your grandmother,… |
| Hovel | Unusual | — | A squalid dwelling on the edge of the estate belonging to one of the groundskeepers. |
| Lavatory | Standard | — | A room one might go to great lengths to avoid showing guests despite them always probing for its… |
| Lost & Found | Unusual | — | There has always been a history of things disappearing on the estate, including this very… |
| Maid’s Chamber | Unusual | — | A typical example of the accommodations for the live-in staff on the estate. It appears this… |
| Mechanarium | Unusual | — | An iron vaulted mechanical chamber affixed with motorized panels that can reveal up to 8 different… |
| Morning Room | Rare | — | The best thing to go with breakfast is a morning newspaper and a coffee. |
| Nook | Commonplace | — | A snug corner reading room which serves as a quiet, private place for guests to spend a few hours… |
| Pantry | Commonplace | — | A well stocked pantry is always the true test of a large estate, and keeping Mt. Holly’s wide gamut… |
| Planetarium | Standard | — | A circular theater featuring a dome shaped projection screen upon which scenes of the stars and… |
| Room 46 | Rumored | — | The mysterious room mentioned in H. S. Sinclair’s will, named only by a number. Despite the house’s… |
| Root Cellar | Unusual | — | An underground store of jarred vegetables and fruits from Mount Holly’s gardens. It’s always… |
| Schoolhouse | Unusual | — | Long before Reddington Elementary was opened, school convened in a single small building. As the… |
| Secret Garden | Rare | — | A floorplan so secretive it had been removed from the drafting pool to avoid anyone unwanted… |
| Shelter | Unusual | — | An underground bunker located away from the main house. This fallout shelter was designed… |
| Shrine | Unusual | — | A sacred silence permeates this candlelit cavern, whose flickering lights add to the holy aura… |
| Spare Room | Commonplace | — | An unfurnished, unfinished and otherwise unremarkable empty room. If there had at some point been… |
| Terrace | Standard | — | A terrace balcony overlooking the grounds providing an ideal spot for appreciating all the verdure… |
| The Armory | Standard | — | |
| The Foundation | Rare | — | The cornerstone of the house, unvarying and unchanging, The Foundation is one of the only constants… |
| The Kennel | Standard | — | |
| Tomb | Unusual | — | This Sinclair family crypt is as gloomy as it is immense. The true Sinclair legacy lies here,… |
| Toolshed | Unusual | — | A simple shed with a variety of tools used by the groundskeepers in the course of their duties. |
| Trading Post | Unusual | — | An outpost established on the outskirts of Mount Holly in the era before the new realms. This… |
| Treasure Trove | Unusual | — | |
| Tunnel | Standard | — | |
| Vestibule | Unusual | — | |
| Weight Room | Rare | — | An exercise room outfitted with weightlifting equipment. A good workout session here will wipe you… |
| West Wing Hall | Standard | — | The west wing of the estate has been closed since the death of Lady Epsen. It is unsurprising… |
Ranking all 110 Rooms by Gem Cost; the analysis below covers the entire set from the cached data.
How the Rooms split by Rarity
Unusual (41)
Cloister — A covered walk and colonnade surrounding an enclosed and seemingly inaccessible garden. A solitary angelic… Ballroom — An opulent hall with a polished mirror floor. In the old days, numerous balls and dances were held in this… Foyer — The grand baroque hall of Mt. Holly is impressive to behold. This ornamented passage is flanked with marble… Music Room — A small recital hall providing an ideal setup for musical performers and accompanists. It is not uncommon for… Veranda — This relaxing breezeway serves as an ideal spot for rocking chairs and lemonade. Aquarium — In addition to having a bouquet of colorful fish swimming within them, each tank in the Aquarium is also… Boiler Room — A utility room serving as a central hub for controlling the heating and steam power supplied to various rooms… Conservatory — This baroque arboretum showcases and preserves the rarest specimens of every type and variety. Through… Garage — Entering and exiting out through the west facing private drive, the Garage serves as a more practical and… Locksmith — Considering the amount of floor plans and different doors that can appear on any given day, it was only a… Secret Passage — A small “deadend” room with an ordinary bookcase, that exemplifies that the best means to escape the… Servant’s Quarters — A cold empty room, devoid of ornamentation and personal effects. This suspiciously humble bedroom belonged to… Conference Room — In his latter years, H. S. Sinclair had become withdrawn from public life and conducted all business from the… Library — Two stories of wall-to-wall books surround the reader in this room, exhibiting either a bountiful spring of… Mail Room — A dedicated mailing room in which incoming and outgoing post and packages are sorted and then delivered… Pump Room — This facility, dedicated to the filtration and flow of water throughout the estate, houses five water pumps… Sauna — A traditional wood-lined Corarican style sauna, temperature controlled and exceptionally relaxing. The… Study — After the passing of Baroness Auravei, her private study was claimed by her eldest son, Herbert Sinclair. For… Wine Cellar — A short staircase leads down to this below ground cellar revealing an impressive collection of bottles from… Workshop — Springs, screws and coils scattered atop the workbench show signs of this room’s frequent use. A craftsman’s… Archives — Countless shelves of documents and towering file cabinets make this otherwise immense space seem small and… Bunk Room — The rustic, wooden stacked bunk beds evoke the enticing promise of campfire stories and childhood adventures… Casino — Classroom — Clock Tower — Dovecote — East Wing Hall — This fenestrated hallway overlooks the east side of the estate grounds and is warmed in the early day by the… Great Hall — A room of many doors and even more choices. The Great Hall is unquestionably the largest hallway of the house… Hovel — A squalid dwelling on the edge of the estate belonging to one of the groundskeepers. Lost & Found — There has always been a history of things disappearing on the estate, including this very floorplan, which… Maid’s Chamber — A typical example of the accommodations for the live-in staff on the estate. It appears this particular… Mechanarium — An iron vaulted mechanical chamber affixed with motorized panels that can reveal up to 8 different doors… Root Cellar — An underground store of jarred vegetables and fruits from Mount Holly’s gardens. It’s always amazing what… Schoolhouse — Long before Reddington Elementary was opened, school convened in a single small building. As the student body… Shelter — An underground bunker located away from the main house. This fallout shelter was designed specifically for… Shrine — A sacred silence permeates this candlelit cavern, whose flickering lights add to the holy aura shining down… Tomb — This Sinclair family crypt is as gloomy as it is immense. The true Sinclair legacy lies here, resting… Toolshed — A simple shed with a variety of tools used by the groundskeepers in the course of their duties. Trading Post — An outpost established on the outskirts of Mount Holly in the era before the new realms. This station allowed… Treasure Trove — Vestibule —
Standard (26)
Office — The late Sinclair’s personal home office, a room he used exclusively for business affairs and the running of… Commissary — The staff commissary is always stocked with household goods and supplies at a reasonable cost. This provides… Courtyard — A charming spot granting guests a bit of fresh air and open skies within the privacy of the manor walls. Greenhouse — This room is always warm as its glass walls and roof help to retain the sun’s rays. The gardener, however,… Laboratory — A fully staffed research facility furnished with all manner of scientific equipment and measurement devices… Observatory — Housing an impressively large telescope, Mount Holly’s observatory is a window to the world above and beyond… Patio — A roofed outdoor seating area located along the permieter of the estate. During the summer evenings, it is… Rumpus Room — A uniquely modern fashioned gaming room, the Rumpus Room has provided many guests of the estate with… Security — A control room with state of the art surveillance equipment, inventory system, and access control via an… Solarium — The Pool — An indoor Orindian pool was one of the more modern additions to the estate, the inclusion of which provided a… Walk-In Closet — The stylish and smart clothes in this generously sized closet belong to the former Mistress of the estate,… Coat Check — A cloakroom where guests may leave their coats, bags or hats in exchange for a claim ticket. This floor plan… Dining Room — An intimate and warm room with a large dining table boasting a serving tray with a silver dome cover. Dinner… Utility Closet — One benefit of the restoration of old buildings is that it allows the owners to update and add modern… Boudoir — A private salon with a plethora of fainting couches and chaise longues that served both as a dressing room… Darkroom — A room dedicated to photo processing, development and print-making. This room is outfitted with safelights… Dormitory — Gymnasium — A half-court intended for basketball and racquetball which is seldom used by anyone apart from the junior… Lavatory — A room one might go to great lengths to avoid showing guests despite them always probing for its location. Planetarium — A circular theater featuring a dome shaped projection screen upon which scenes of the stars and galaxies… Terrace — A terrace balcony overlooking the grounds providing an ideal spot for appreciating all the verdure and… The Armory — The Kennel — Tunnel — West Wing Hall — The west wing of the estate has been closed since the death of Lady Epsen. It is unsurprising therefore, that…
Rare (23)
Throne Room — The former seat of power of Orinda Aries before the current era and the rise of the red banner. Trophy Room — The polished brass of the treasured laurels filling the trophy cases of this room reveal the pride their… Attic — High above the mansion in its lofty perch, Mt. Holly’s Attic provides curious explorers with a cache of dusty… Rotunda — A circular chamber with a domed ceiling adorned with an array of mechanical gears. In the center of the room,… Vault — A secure onsite depository fitted with steel walls and numbered lockers. This fortified strongroom holds a… Drafting Studio — As an architect and engineer, it was not uncommon to find your great uncle spending the better part of his… Master Bedroom — H. S. Sinclair’s own room. Though perhaps soon you may consider it your own. Showroom — An array of jewelry display cabinets showcasing an impressive selection of high-priced items, each unique and… Laundry Room — A standard hub of domestic toil complete with washers, dryers and a state of the art steampowered unit… Locker Room — This poolside Locker Room is of course not always poolside, but it is much more convenient for guests when it… Chamber of Mirrors — Reflections of reflections, this confusing room can sometimes prove disorienting to the wayward guest… Freezer — Dedicated to deep freeze and cold storage, Mt. Holly’s freezer is an insulated space kept almost as frigid as… Room 8 — Unsurprisingly, Key 8 unlocked a door leading to a familiar looking room, a cryptic room that had been… Bookshop — Closed Exhibit — A painstakingly produced accurate reproduction of one of the so-called “Closed” Exhibits of the Fenn Aries… Furnace — The main centralized heat source for the estate. You may find yourself starting to sweat after drafting this… Gallery — A small chamber dedicated to the exhibition of art, ideal for showcasing smaller series and collections… Gift Shop — Thank you for visiting Mount Holly. We hope you enjoyed your stay here! Her Ladyship’s Chamber — Tucked quietly away in the west wing of Mount Holly is the decorative bedroom of your grandmother, Lady… Morning Room — The best thing to go with breakfast is a morning newspaper and a coffee. Secret Garden — A floorplan so secretive it had been removed from the drafting pool to avoid anyone unwanted accidentally… The Foundation — The cornerstone of the house, unvarying and unchanging, The Foundation is one of the only constants in the… Weight Room — An exercise room outfitted with weightlifting equipment. A good workout session here will wipe you out and…
Commonplace (17)
Passageway — A long cramped series of unfinished passages used primarily by the servant staff to traverse the estate… Drawing Room — A social sitting room adorned wall to wall with artwork and drawings. An unfinished sketch of your uncle sits… Kitchen — A standard kitchenette with all the typical amenities: a stove, refrigerator, oven and sink. This gallery is… Nursery — One of the few rooms you vividly remember from your visits here in your youth. Though even at that time, you… Billiard Room — This smoky backroom, featuring a pool table and fully stocked bar, has served as a retreat on more than one… Closet — A very modest recessed space used for storage. This particular closet is favored by the junior members of the… Parlor — This cozy lounge furnished with couches and armchairs serves as the perfect social setting for receptions and… Storeroom — A dedicated storage space filled from end to end with a surplus of chairs, carpets, paintings and a handful… Bedroom — A familiar room that you may have slept in at some prior visit in the past. Like most bedrooms of the estate,… Chapel — A private sacristy, as ornate as the most lavish rooms of the estate, is watched over by eight Ajeran Angels… Corridor — A long hall with two doors at either end that had been one of your uncle’s most frequently traveled rooms… Den — A more traditional family room, warm and inviting. So comfortable, one might assume that the countless clocks… Guest Bedroom — A small bedroom maintained and kept available for accommodating weekend guests and impromptu visitors who… Hallway — One of the many nondescript hallways snaking through the estate and providing elegant causeways between the… Nook — A snug corner reading room which serves as a quiet, private place for guests to spend a few hours of their… Pantry — A well stocked pantry is always the true test of a large estate, and keeping Mt. Holly’s wide gamut of… Spare Room — An unfurnished, unfinished and otherwise unremarkable empty room. If there had at some point been plans for…
N/A (2)
Antechamber — From its root meaning “The Room Before”, all signs and paths point toward the Antechamber. This mysterious… Entrance Hall — Past the steps and beyond the grand doors, admission to Mount Holly is granted by way of a dark and garish…
Rumored (1)
Room 46 — The mysterious room mentioned in H. S. Sinclair’s will, named only by a number. Despite the house’s official…
The numbers at a glance
| Metric | Value |
|---|---|
| Total Rooms tracked | 110 |
| With a written description | 98 |
| Without a written description | 12 |
| Unusual — Rarity | 41 |
| Standard — Rarity | 26 |
| Rare — Rarity | 23 |
| Commonplace — Rarity | 17 |
| N/A — Rarity | 2 |
| Rumored — Rarity | 1 |
| Average Gem Cost | 1.13 |
| Max Gem Cost | 5 |
| Min Gem Cost | 0 |
What the Rooms data tells us
If you only remember one thing: the rarity split is the fastest way to narrow 110 Rooms down. Unusual is the largest group at 41 entries, so start your comparison there before looking at anything else. Note: 12 of the 110 entries have no written description in the source data — for those you are reading stats only, so trust the numbers, not assumptions.
By the numbers, the standouts are Throne Room and Trophy Room with the highest Gem Cost (5). They set the ceiling for the whole Rooms set.
Entries worth a closer look
Throne Room — The former seat of power of Orinda Aries before the current era and the rise of the red banner.
Trophy Room — The polished brass of the treasured laurels filling the trophy cases of this room reveal the pride their owner must feel having…
Attic — High above the mansion in its lofty perch, Mt. Holly’s Attic provides curious explorers with a cache of dusty keepsakes,…
Cloister — A covered walk and colonnade surrounding an enclosed and seemingly inaccessible garden. A solitary angelic statue in the center…
Rotunda — A circular chamber with a domed ceiling adorned with an array of mechanical gears. In the center of the room, a stone podium…
Vault — A secure onsite depository fitted with steel walls and numbered lockers. This fortified strongroom holds a good portion of the…