About the Game
Fathom's End is a first-person lighthouse keeper simulation set on a lone tower far out in the Atlantic. Miles from land, the lighthouse is yours to run.
You maintain the beacon, manage its systems, respond to radio calls, and keep the light turning through long nights and unpredictable weather.
The work is slow. Long stretches of careful observation, watching over systems that don't always announce when they need attention. The main lamp can blow. The clutch can jam. A breaker trips, the lens dirties, the evaporator needs priming. There are over a dozen systems to learn and monitor, and faults develop whether you're paying attention or not. Every lapse carries weight. It's a slow, tactile experience about isolation, repetition, and quiet persistence.
Key Features
Immersive first-person simulation – Operate and monitor the lighthouse's systems: lamps, clutch, generator, foghorn, radar, radio, and more. Each one needs regular attention. Neglect has consequences.
Dynamic weather and atmosphere – Experience storms, fog, and calm seas in a detailed and reactive Atlantic environment.
Daily routine and responsibility – Maintain the light, manage resources, and complete daily logs for the Maritime & Navigation Lighthouse Authority.
Isolation as gameplay – Embrace the quiet, the repetition, and the weight of duty. The tower won't run itself and it won't always tell you when something's wrong.
Survival through scarcity – Track hunger and thirst, budget limited funds, and plan carefully to afford infrequent supply drops.
Living world beyond the horizon – Encounter unique radio calls from passing ships and distant stations, hinting at a wider world you’ll never see.
Fathom's End is in Early Access. The current experience represents the core simulation. Substantial new systems, activities, and content are planned to keep the player busy, especially during the quieter moments. Below is the 2026 roadocean map with just a selection of features planned to be added this year alongside significant performance improvements and bug fixes.

Screenshots
14 imagesVersion Information
Steam Patch Notes
Official update history
New Features & Content
Added a Supplies Allowance setting with £100, £150, and £200 options for greater control over difficulty
Replaced the generator power button and connected auxiliary control with a rotating switch. Use Q and E to switch between OFF, LOW, and ON
Lentils can now be combined with either tinned beef or raw fish to make a stew
Fixes
Fixed an issue where acoustic zones could apply late after loading
Fixed an issue where loading screen input could carry over into gameplay
Fixed an issue where MAYDAY helicopter radio calls could carry over into the next shift after sleeping
New Features & Content
Added a Base Daily Pay setting with £50, £75, and £100 options for greater control over difficulty
Added signage to the bathroom door
Fixed an issue where the Auxiliary Controls prompt could still appear after installation
Fixed multiple issues with radio calls following a MAYDAY event
Fixed an issue where throwing burnt food into the bin would also destroy the saucepan
Fixed an issue with interaction distance
Reduced MAYDAY frequency
Removed unnecessary Discord authorisation prompts
Fixed a material instance leak that could cause severe performance degradation and crashes over time
Fixed an issue where multiple ships could be incorrectly held during the MAYDAY sequence
Fixed an issue where stale order data could be used when sending an order
Fixed an issue with MNLA subtitle localisation
Fixed an issue with paper localisation when stored in the filing cabinet
Fixed an issue with the End of Day Report
New Features & Content
Added a new ship (GDLT)
Gameplay & Balance
Disabled hunger and thirst during the tutorial
Extended interaction distance for replacing lamps
Temporarily removed the binoculars from new games due to ongoing FOV issues
Fixes
Fixed an issue that allowed the backup lamp to blow while on standby
Fixed an issue where submitting the order form could be incorrectly blocked for insufficient funds
Fixed an issue where order form text extended off the bottom of the page
Fixed an issue with “Ships Handled” incorrectly counting MNLA calls
Fixed an issue with cassettes restoring incorrectly after save/load
Fixed an issue where some ships would not perform a radio check when entering
Fixed an issue where MAYDAY ships were not released after resolution
Fixed an issue with MNLA subtitle timing
Fixed an issue with ship exit call audio
Fixed a doppler issue with the boombox causing audio modulation during player movement
Current Release
Build 24477779
Uploaded Aug 05, 2026
System Requirements
How to Install
Fathom's End.exe to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
Needed when extracting (WinRAR / 7-Zip) — not a site login.
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View AllDownload Fathom's End for PC with a direct link or via torrent. Get the full version of Fathom's End for free. Fathom's End is a Simulation released by Lonely Anchor.