Achievements guide

Track KEY scans, vault deductions, and chapter-specific feats. Hardest long-term goal: full clue coverage for the true ending — pair this list with the walkthrough and beginner guide.

Name	G	Description	Chapter	Tips
Thanks Key	20	Have KEY analyze 25 clues.	All	Scan everything in Chapters 1–2; revisit areas if a frequency scan fails the first time. Ch1
Elementary	15	Complete 15 Vault deductions.	All	Link clues as soon as KEY unlocks new deductions — do not backlog to the final chapter. Ch1
Archivist	10	Collect all major documents in Chapter 1.	1	Double-check the Incident Report back page and both sides of the obituary. Ch1
Deep Breath	10	Clear the underwater section without a game-over.	2	Airlock timing and generator repair are the main choke points — save before diving if the game allows. Ch2
Glyph Reader	15	Fully decode the Ancient Glyph tablet in the labyrinth.	2	Scan with the frequency KEY suggests; revisit after obtaining the Astral Stone. Ch2
Stone Cold	10	Solve the basalt and quartz mechanism first try.	1	Basalt is behind a pillow upstairs; quartz comes from the shelves scan chain. Ch1
Sanity First	20	Finish Chapter 1 under a target sanity threshold (exact values may vary by patch).	1	Limit basement staring contests; use KEY dialogue to ground the investigation. Ch1
Red Thread	10	Inspect the red-rope body scene completely.	2	Rotate the camera for every interact prompt before leaving the rift. Ch2
Monolith	15	Interact with the camp monolith until all evolution points register.	2	Return after placing the artifact if any prompt reappears. Ch2
Demo Clear	30	Reach the end of the public demo.	2	Follow the camp sequence after the labyrinth — place the artifact to roll credits for the demo build. Ch2
Frequency Master	25	Scan every required sonar frequency in Chapters 1–2.	1–2	Mineral, Electronic Component, and Copper chains are the big three in the demo. Ch2
Lorekeeper	10	Read every optional lore object in May's house.	1	Office diplomas, wall scribbles, and living-room art all count. Ch1
Vault Veteran	20	Link every demo-era Vault entry.	All	Backtrack with new clues — some nodes only unlock after Chapter 2 items. Ch1
No Stone Unturned	40	100% clues in a single playthrough (post-launch list).	All	Use this wiki's walkthrough checklist chapter by chapter; hardest for full-game release. Ch1
Ending: Dawn	50	Unlock the high-sanity good ending (details after launch).	7	Will require stable sanity and key late-game choices — guide TBD.
Ending: Abyss	50	Unlock the corruption-heavy ending.	7	Opposite route to Dawn — intentional anomaly exposure.
Ending: Secret	80	Artifact placement secret ending.	All	Track optional artifact interactions across chapters after full release. Ch1
Ending: True	100	True ending — all major clues and correct finale path.	All	Plan for New Game+ or a meticulous first run once the full clue list is final. Ch1

Gamerscore values are illustrative for wiki organization; verify against the live game after release.

Achievement FAQ

Hardest achievement?

No Stone Unturned / true ending path — requires full clue coverage. Follow the walkthrough chapter by chapter.

Best order for Thanks Key?

Clear every interact in Chapters 1 and 2 before leaving each zone; run frequency scans before story locks you out.

How do I unlock Thanks Key?

Have KEY analyze 25 distinct clues. Chapters 1 and 2 of the demo contain more than half of them if you scan thoroughly.

Where is the quartz alloy?

Near the occult book pages on the shelves in May's house. Scan it on the Mineral sonar frequency when KEY unlocks that step.

I missed a clue — can I go back?

Most demo areas allow free backtracking inside the chapter. If a door locks, reload an earlier save if available.

Hardest achievement in the demo?

Thanks Key or full frequency coverage — both reward slow, methodical scanning.