Developer posts and news about this game.
Two weeks of work on top of the last build. Getting into a match is now a single click, the map remembers the places you care about, and the game runs on Mac and Linux. Multiplayer Quick Match: Steam matchmaking with public lobbies, so you can join a session without a code Multip
In this version I am fixing the MP with integration of linux and Mac. For MacOs Testers please contact me and you can get a version of the game for your computer. You can help me to shape the game. Thank you.
Multiplayer Matches now play out from start to finish instead of falling apart at the end. Get eliminated and you stay in as a spectator instead of being dropped back to the menu The host is asked to confirm before quitting, and everyone gets a readable message when a player leav
Online Multiplayer, Story Arc Finale & Living Regions Hi everyone, Manuel Hosseini here with Devlog #29 for I Thalassa. This was the biggest month so far: the game goes online with ship-vs-ship battles, the Shinoise story reaches its ending, and every region of the map now ha
- bodyguard items collectors - new missions - general bug fix - Thalassa discovery items and UI for fragment discoveries - new inventory UI Alpha test: It's always recommended to create a new session in order to do all the new missions in the right order. Thanks
Mission build fix mission title localized boost improvements tooltip on items icon inventory full message
Devlog #28 – Playable Duck, Story Fragments & Sea Currents This update introduces a brand-new playable duck character, expands the game's narrative with a story-fragment discovery system, and adds fast underwater traversal through powerful sea currents. New Features Added a n
- Code to access with discord - small changes on scenes
- riding current improvements - oxygen and booster missions - fixing material (healing and electric) In order to have a better experience I recommend you to start a NEW session on the main menu at the beginning, in this way you can always find the new missions. By the way this is
- small fix (Added missing language on main menu panel)
- small fix on scene - buttons social for playtest - current ride VFX and sfx 1 min tutorial here below:
- Oxygen UI feedback on recharge - booster for player automatic on scene - small fix on scene
- General Bug fix (from reported bug on discord) - Buoyancy force on healing and oxygen regen - UI
- main menu YT Button - controller UI tutorial panels - ship camera improved - fixed warning messages on low oxygen - new translations - increased oxygen and power gen default max
We’ve rolled out a new playtest update focusing on survival systems, combat behavior, UI polish, and mission integration. 🔧 Highlights New oxygen survival system with O₂ zones, low-oxygen warnings, and refiner prompts Refinery modules now convert raw resources into oxygen and po
- ship heal and fuel effect improved on item drop on the ship icon - swim boost bug on sand fixed - exclusivity between inventory and exit panel bug fixed - Nautilus animal - ship damage effect restored - flag on first module - new grass alga - fluid camera movement fix
- Camera movement fix - cleanable alga - menu toggle fix - low quality sea fix - Tooltip for ship toggle panel Tanks everybody for the feedback Keep texting me in private or directly in the community: Here below a mini tutorial to understand how to play this alpha test. Thanks
Fix and improvements for the alpha test release build mode toggle coral reef new main menu improvements virtual cursor on main menu fixed scene main UI general improvements boost effect ship altitude blocker
SAVE SYSTEM ONLINE. SENTINELS ACTIVATED. Devlog #25 – Major Systems Update This update pushes I Thalassa deeper into large-scale underwater gameplay. Persistent progression, enemy wave management, recruitable bodyguard ships, upgraded VFX pipelines, and fully refactored combat sy
This update introduces major improvements to gameplay, physics, and visual clarity. - Added rideable sea creatures with full player control, smooth turning, and dynamic camera banking - Implemented jellyfish group behavior with electric net damage mechanics - Complete Rigidbody p