Short answer
To achieve Ending C (Stay) in Endacopia with speedrun efficiency, complete the five mandatory prerequisites without error: recover all of Mellow's senses, answer all Surgeon questions peacefully, spare Trapezist and the Office AI, collect the memory drive, and upon returning to the House, ignore the open bedroom window to choose 'Stay' by inspecting the bedside doll.
When to do it: Begin from a fresh game save or reload an early Chapter I save file, maintaining manual save backups before every major district transition.
What you need: All sense recovery tools (flashlight, scalpel, metal detector, water bucket), zero lethal boss solutions, and flawless Surgeon Q&A responses.
Missable or risky: High risk. Killing the Trapezist, destroying the Office AI, or picking a hostile Surgeon response permanently locks the save file into Ending A or B.
Ending C route progression: casual walkthrough vs speedrun splits
Review target splits and critical fail-safe checkpoints for each game segment comparing a leisurely completionist playthrough with the World Record speedrun route.
Scroll horizontally to view every column.
| Route Segment | Key Required Objectives | Casual Target Time | WR Speedrun Split | Softlock & Missable Risks |
|---|---|---|---|---|
| 1. House Escape & Senses | Collect flashlight, unlock bathroom vent, recover mouth, spare/beat Clocky. | 20–25 minutes | 08:15 | Forgetting flashlight softlocks vent; save before touching the alarm clock. |
| 2. Misery Town & Circus | Solve red clown projector, obtain scalpel, pass 3 Surgeon questions, spare Trapezist. | 35–45 minutes | 16:40 | Wrong answer to Surgeon voids Ending C flags; missing scalpel prevents rope cut. |
| 3. Timesville & Errands | Complete bear/cow quest, obtain metal detector, solve clock tower gear puzzle. | 30–40 minutes | 14:20 | Selling key items to pawn shop locks Chameleon gate; inspect inventory first. |
| 4. The Office & AI Terminal | Decipher Morse code, water the power supply for peaceful spare, collect memory drive. | 25–35 minutes | 09:30 | Destroying AI cores triggers combat alarm and permanently diverts to Ending A. |
| 5. Rebuilt Sanctuary (Ending C) | Return to Mellow's bedroom, assemble doll parts, reject window escape, confirm 'Stay'. | 15–20 minutes | 05:00 | Jumping through the open window forces Ending B; inspect bedside rug instead. |
Spoiler-free route
Prioritize non-violent solutions in every encounter; tools found in preceding rooms always provide an alternative to fighting.
When the game presents an obvious brightly-lit escape exit at the climax, turn around and inspect your starting room.
Confirmed details
The current Any% Ending C World Record is held by runner fawn at 53 minutes 45 seconds.
Text mashing saves over 14 minutes across the full run compared to default dialogue speeds.
Ending C is the only ending that awards the rare 'Stay' Steam achievement and unlocks post-game developer room access.
This page separates documented requirements from route advice. Names, achievement conditions, platform details, and item counts are checked against the linked Steam records; navigation is cross-checked against recorded gameplay. If an update changes a room, prompt, or trigger, use the verification note below before assuming the save is broken.
Step-by-step solution
Step 1 — Step 1: Clear the House by grabbing the flashlight, crawling through the vent, and dodging Clocky's initial charge.
Step 2 — Step 2: Enter Misery Town, answer Surgeon with 'Only if it makes sense', grab scalpel, and cut Trapezist's support rope.
Step 3 — Step 3: In Timesville, resolve the bear/cow trade chain quickly, use the metal detector on the central lawn, and unlock the Chameleon route.
Step 4 — Step 4: At the Office, use the water bucket on the AI power console to trigger the peaceful override and extract the memory drive.
Step 5 — Step 5: Return to the initial bedroom, decline the window exit prompt, interact with the bedside floor, and lock in Ending C.
Common failures and softlock risks
Never save after defeating a boss lethally; doing so corrupts your Ending C progress permanently for that save slot.
Keep text progression set to instant in settings to avoid dialogue queue input lag.
Recovery rule: stop before crossing another chapter boundary. Confirm the current objective, cycle every usable inventory item, and retry the interaction from a clean room entry. If the trigger still fails, close the game before restoring a known-good save; copying or replacing live save files while the game is open can overwrite the recovery state.
Version and verification
Fully verified against fawn's 53:45 WR Any% Ending C speedrun video, EdwardSupra's step-by-step walkthrough, and Steam achievement tracking on v1.0.4.
Last verified: July 31, 2026, against the launch PC build, Steam achievement records, linked Steam Community guides, and recorded full-game footage. Endacopia can vary some puzzle clues between runs, so follow the clue in your own save when this page explains a method instead of a fixed answer.
Frequently asked questions
Can I get Ending C if I accidentally killed one boss earlier?
No. Ending C strictly requires a 100% peaceful resolution record across all encounterable bosses and positive standing with Mr. Surgeon.
How much time does dialogue skipping save in an Ending C speedrun?
Optimized dialogue mashing and cutscene buffering saves approximately 14 to 18 minutes, which is mandatory for sub-60 minute runs.
