All Endings
The 5 endings tied to ending achievements.
See endingsBlue Prince Achievements — All 42 Triggers
Blue Prince has 42 Steam achievements (also on GOG and PS5 trophy list). Of those, 34 are visible in the achievement window and 8 are hidden. The hidden ones tend to be major story or secret-room triggers. This page lists every one with the exact action that fires it, missable warnings, and a recommended chase order so you can collect efficiently across 2-3 saves.
Total: 42 achievements. Story (5), Puzzles (12), Items (8), Endings (5), Rare actions (4), Hidden (8). All achievable in a single save except the 4 "ending"-specific ones which require multiple saves or NG+.
Story Achievements (5)
| Name | Trigger | Missable? |
|---|---|---|
| First Step | Complete the tutorial | No |
| Welcome to Mt. Holly | Sleep through Day 1 | No |
| Lay of the Land | Visit 20 unique rooms | No |
| The Letter | Read uncle's letter in Study (Day 3+) | No, but easy to skip |
| Heir Apparent | Reach Room 46 | No |
Puzzle Achievements (12)
| Name | Trigger | Reward |
|---|---|---|
| Vaultbreaker | Enter Vault correctly first try (code 4558) | 5 Coins |
| Steady Hand | Score 180 on Dartboard | Marksman's Pin |
| Chain Reaction | Clear Billiard Room in 3 shots | Pool Cue |
| Boiler Maker | Boiler Room valve order Middle-Right-Left | Mine bonus |
| Star Reader | Identify all 12 Observatory constellations | Telescope Eyepiece |
| Wordsmith | Solve all 6 Parlor riddles | Forgotten Wing hint |
| Botanist | Bloom White Iris in Greenhouse | +1 Gem/day |
| Plumber | Aquarius 11-pipe solve | Wrench |
| Pressure Maker | Pump Room 40-60-80 PSI | Mine Layer 3 |
| Devout | Chapel bell sequence (any plaque day) | Cross |
| Mad Chemist | Mix all 7 stable Laboratory formulas (across runs) | "Alchemist" title |
| Sleuth | Solve all 5 Note puzzles (Day 1-5) | Notebook item |
Item Achievements (8)
- Collector — Hold 10 unique items simultaneously.
- Hoarder — Store 5 items in the Carriage House Storage Loft.
- Wealthy — Hold 100 Coins at end of any day.
- Crystal Vision — Collect 7 Sapphires in one run.
- Heirloom — Obtain the Master Key.
- Time Keeper — Find both halves of the Sundial.
- Painter's Eye — Restore the Conservatory painting.
- Curator — Display 5 trophies in the Trophy Room.
Ending Achievements (5)
- The Standard Heir — Standard Ending (reach Room 46 and accept inheritance).
- The Forgotten — Forgotten Wing Ending (Chapel Day 7 + Forgotten Tear).
- The Wanderer — Outer Ending (visit all 6 outer rooms then walk past gate).
- The True Heir — True Ending (all 3 above on one save, then post-credits).
- Forever — NG+ Forever Ending (clear True Ending in Permadeath).
Rare Action Achievements (4)
- Sanctum Found — Draft and enter the Sanctum (0.4% room rate).
- One Way Out — Complete a run without using a Bedroom (sleep at Garden bench instead).
- Iron Heir — Permadeath any-ending clear.
- Speed Demon — Reach Room 46 in under 30 in-game days (real-time irrelevant).
Hidden Achievements (8) — Spoilers Below
Spoiler warning: The following achievements contain story spoilers. They're hidden in-game for narrative reasons. Skip this section if you want to discover them yourself.
| Name | Trigger | Spoiler Level |
|---|---|---|
| The Architect Knew | Find the secret floor plan in the Study fireplace | Mild |
| Cousin's Confession | Read all 7 letters from Cousin Margaret (Day 2-8) | Mild |
| The Eighth Formula | Mix Sulfur + Honey + Mercury in the Lab (produces nothing, but flags this) | Mild — just a hidden flag |
| Listen to the Walls | Stand still in Hallway for 60 seconds. Whisper triggers. | Lore-heavy |
| The Black Letter | Receive the Black Letter from the Maid (only on Day 11+ with positive Maid relationship) | Significant |
| Forgotten Name | Find the real name of the Forgotten Wing prisoner (in Wine Cellar Black Market basement) | Major |
| The Coat Returns | Re-enter the Coat Check with the original coat after the True Ending | Endgame |
| Mt. Holly Forever | Refuse the inheritance in Room 46. The game continues with a unique state. | Endgame |
Recommended Chase Order
Most efficient order to clear achievements across 2-3 saves:
Save 1: Standard run (target 25-30 achievements)
- Story 5/5 (auto on reaching Room 46).
- Puzzles 8-10/12 (skip Permadeath-only ones).
- Items 5-7/8 (Trophy and Sapphire counts may need a second run).
- Endings: Standard. Maybe Forgotten or Outer if route allows.
- Hidden 3-4/8 (Architect, Cousin, Eighth Formula, Listen to Walls).
Save 2: Permadeath (target 6-8 achievements)
- Iron Heir (Permadeath clear).
- Speed Demon (under 30 days — Permadeath usually meets this).
- Hidden achievements not unlocked on Save 1.
- Black Letter, Forgotten Name (require Day 11+, so plan for long Permadeath run).
Save 3: NG+ True/Forever ending
- The True Heir (requires Save 1 + Save 2 to seed NG+).
- Forever (Permadeath True Ending NG+).
- The Coat Returns (endgame trigger).
- Mt. Holly Forever (refuse inheritance — branches the post-game).
Most Missable Achievements
- The Letter — read uncle's letter in Study. Easy to skip if you don't draft Study early.
- Star Reader — must identify all 12 constellations across multiple Observatory visits. Track them with a Camera item.
- Cousin's Confession — all 7 letters; one appears on Day 8 only.
- The Black Letter — Maid relationship matters; don't ignore her or steal in Commissary.
- Sanctum Found — single 0.4% room. Could take 100+ days of runs to see naturally.
Achievements FAQ
Do achievements carry across saves?
Yes. Achievements are per-account (Steam/GOG/PSN), not per-save. Unlocking one on Save 1 keeps it for Save 2.
Can I unlock achievements offline?
Yes. They sync when you next go online.
Is 100% achievable in one save?
Theoretically yes for everything except Speed Demon (under 30 days) and Forever (NG+ from Permadeath True). Practical 100% needs 2-3 saves.
Are there hidden achievements not listed here?
As of v1.2.4, no. Datamining confirms 42 total. Any post-launch DLC may add more.
Related Guides
Permadeath Survival
Required for Iron Heir and Forever.
Read moreItems List
Every item — required for Collector achievement.
Item indexRare Rooms
Sanctum and other rare-room achievements.
Read more