Announcement
ATLYSS Hotfix for 12026.a3
A hotfix patch for 12026.a3 is released. Lobbies will be have to be restarted for this to fully take effect. Fixed de-buff conditions that are stack-able not properly being removed when killed.
Steam
ATLYSS
Also known as ATLYSS, a, atlyss
Enter the world of ATLYSS, a Singleplayer/Online RPG where you can fight with or against friends in a surreal world filled with creatures beyond comprehension. Customize and progress your character(s), complete quests, and discover strange locations.
Last update
20 May 2026
Players now
279
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- January 2026
- Atlyss Hotfix (12026.a3) ReleasedA new quick hotfix patch is released. Lobbies will need to be re-hosted due to serverside changes. Finalized condition issues, creating a check for indefinite durations for validation. Please continue to report this if…
- ATLYSS Hotfix (12026.a2) ReleasedA quick hotfix patch is released. This is a new version, so lobbies will need to be rehosted. Fixed several enemy conditions from Warboars, Barknaughts, Sinroots, etc not having a duration. This is in result of a rework…
- ATLYSS Version 12026.a1 released. Verify integrity of game cache if the update does not occur. Developer's Note: Hello everyone, I have been on holiday break for the past few weeks, and have just begun development once…Patch notes
- December 2025
- The ATLYSS x Makeship Collaboration is here! For a limited time, you can get yourself a plush of Angela Flux, the Mystic Guardian of Sanctum! You too can potentially be occupied with the librarian in your own home. http…Patch notes
- November 2025
- ATLYSS Version 112025.a4 released. Verify integrity of game cache if the update does not occur. Game / General Applied an additional buffer for updating non-local players equipment display, which should prevent client p…Patch notes
- Atlyss Hotfix Patch (112025.a3)A small hotfix patch is released for version 112025.a3. Added an "allow unicode" setting in the game tab, nearby the fade chatbox options. This will allow the hosted lobby to accept unicode characters for other language…
- ATLYSS Version 112025.a3 released. Verify integrity of game cache if the update does not occur. Game / General Fixed a packet accumulation bug where it would potentially disconnect a player while playing. Fixed a lag in…Patch notes
- ATLYSS Version 112025.a2 released. Verify integrity of game cache if the update does not occur. Game / General Fixed Screen Mode and Screen Resolution setting drop-downs. Setting resolutions and screen mode should work…Patch notes
- *Update promotional artwork made by Assley (a.k.a Busta_Machine)! On the day prior to the first year anniversary, a new update for ATLYSS surfaces, bringing forth the ability to fully play the game using X-input game-pa…Store
- October 2025
- ATLYSS 102025.a5 ReleasedATLYSS Version 102025.a5 released. Verify integrity of game cache if the update does not occur. Game / General Added Steam rich presence to the game, displaying information on the Steam Friends list of the players locat…
- ATLYSS Version 102025.a4 released. Verify integrity of game cache if the update does not occur. Game / General Added an optional UI element that displays how many players are in the same map instance as you. This can be…Store
Gallery
In-game media
Achievements
Community progression
Top picks from 20 Steam achievements, sorted by player unlock rates.
- A New JourneyComplete the first quest in the game.92.1%
- Clearing Catacombs (1-6)Finish the Sanctum Catacombs (1-6).80.7%
- Clearing Catacombs (6-12)Finish the Sanctum Catacombs (6-12).60.5%
- Fashion SenseObtain your first cosmetic equipment.59.6%
- Teaming UpEnter a party with someone in Multiplayer.50.3%
- Scaling the TowerHidden46.3%