The checklist follows the official Steam achievement list. It includes 6 hidden achievements. Hidden titles and ending names stay behind closed spoiler controls until you open them. Short descriptions summarize Steam’s descriptions; they do not add unverified route requirements.
Your own record · no account required
Track your achievements
Mark the achievements you have earned in Tenebris Somnia. This is a manual checklist; it does not connect to Steam or unlock achievements in the game.
Progress stays in this tab until you choose Save progress. To restore it after a refresh, choose Load saved progress. Saves belong to this browser and device.
0 of 4 ending achievements completed
Spoiler controls protect hidden achievement titles and ending names. Open an entry only when you want to see its Steam description summary. These short descriptions are not verified unlock walkthroughs.
- Steam achievement
Unlock every star locker.
- Steam achievement
Knock at Iván’s apartment door ten times.
- Steam achievement
Inspect Ivan’s photograph five times.
- Steam achievement
Eliminate at least two enemies together; Carnitos do not count.
- Steam achievement
Eliminate three Carnitos in a single strike.
- Hidden
Reveal achievement title and description summary
Heart of Lead
Eliminate every Relicta ghost.
- Steam achievement
Change rooms to escape a Vorax before it detonates.
- Hidden
Reveal achievement title and description summary
Bad Puppy
Have Sanguis destroy every mannequin.
- Steam achievement
Continue travelling along the endless corridor.
- Steam achievement
Collect the iron pipe.
- Steam achievement
Collect the set of three film canisters.
- Steam achievement
Consume Lavendoleum when Julia is already at full health.
- Steam achievement
Finish a run with the wrench as the only weapon used.
- Steam achievement
Win the Carnitos encounter without taking a hit.
- Steam achievement
Win against Obscuratus with the wrench alone.
- Steam achievement
Win against Fumus with the pipe alone.
- Steam achievement
Sacrifice three save points to fill the silver bottle.
- Steam achievement
Read the entire Old Book.
- Hidden
Reveal achievement title and description summary
Acrophobia
Be killed by a fall caused by Lacuna.
- Hidden
Reveal achievement title and description summary
Devoured
Be swallowed by Hermes.
- Ending
Reveal ending name and description summary
SOLVE ET COAGULA
Complete Ending 1.
- Ending
Reveal ending name and description summary
MAGNUM OPUS
Complete Ending 2.
- Ending
Reveal ending name and description summary
VIVUS EX MORTIBUS
Complete Ending 3.
- Ending
Reveal ending name and description summary
RENUNTIATIO
Complete Ending 4.
No achievements match this filter. Choose All to return to the full list.
No changes have been saved in this tab.
Nothing you tick or save is sent to this website, Steam, or analytics. Clearing saved progress removes this tool’s local save; it keeps your current on-screen checklist.
How to use this achievement tracker
- Tick an achievement after earning it in the game. Choose Endings to see only ending achievements, or Incomplete to plan what remains.
- Choose Save progress to store the current ticks in this browser. Nothing saves automatically.
- After returning or refreshing, choose Load saved progress. Use Copy checklist for a text record you can keep elsewhere.
This tool does not read your Steam account, import progress, sync devices, or unlock achievements. Your checklist is an independent record. Private browsing, clearing browser data, or changing devices can remove access to a local save.
Find help with an achievement
The achievement reference explains the source list and distinguishes Steam descriptions from verified walkthrough steps. For ending names and the limits of known route information, open the endings overview. For a specific obstacle, start with the walkthrough index or puzzle guides.
Sources and privacy
Achievement names, hidden status and ending numbers were checked against the official Steam achievements for Tenebris Somnia on 2026-10-23. We do not claim a personal completion run or a complete set of tested unlock methods.
The save contains achievement IDs, the list version, and a save time in local browser storage. Checklist changes are not sent to analytics. Read the privacy policy or send a correction if the list differs from your current game version.