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ACHERON

Also known as ACHERON, a, acheron

ACHERON is a fast-paced, brutal old-school FPS inspired by Quake, blending brutalistic architecture, Lovecraftian alien horrors, and Hellraiser-esque nightmare fuel in a gritty PSX-style aesthetic.

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Last update

21 May 2026

Latest update

AnnouncementPublished 20 Aug 2024

Tutorial and Fixes

DEMO UPDATE ADDED Simple tutorial to teach bunny-hopping Mousewheel selection for weapons Vsync option More resolution options End Level screen with timer and killcount The ability to see weapon inventory with "Q" FIXED…

8 changesFixGameplayRead announcement

Update history

Browse past updates and patch notes for this game.

4 updates

April 2024
New Level, New GunNew Level New Weapon Available Save System Boss has been removed because he wasn't very fun to fight New vision modes Old HUD made a comeback as well as the ability to turn off all HUD Cycle the vision modes and HUDs wi…Announcement5 changesGameplayUI/audio14 Apr 2024
August 2023
The Walls have eyes... and laser weapons.*The walls have eyes and laser weapons, new enemy added ( Wall Sentry ) * General bug fixes *And most importantly the doors will now look more dooryAnnouncement1 changeGameplay27 Aug 2023
June 2023
ACHERON Final Demo just released.Hey there, there have been many delays and Acheron has changed a lot since i first started it but this is the final iteration, so be sure to give it a try and let me know what you think, i will be updating the demo but…Announcement1 changeGameplay27 Jun 2023

Gallery

Tutorial and Fixes

April 2024

August 2023

June 2023