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 has its own look and identity. Online multiplayer where you fight other players ship against ship, board their vessel, and…
- 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
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 new playable duck main character with a complete animation set and holographic dialogue system. · Introduced Story Fragm…
- 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 not mandatory and you can keep continue with your session already begun. Thanks.
- 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 power with dedicated UI New escort-style enemy AI with bodyguards protecting leaders + combat fixes New missions tied t…
- 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 systems are now online. FULL SAVE SYSTEM Your progression now persists through a complete multi-slot architecture. · 3…
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 physics overhaul for sea animals and enemy submarine AI - New visual direction with redesigned UI, updated fonts, and…
Patch Notes – Devlog #20 I Thalassa – The New World [] Gamepad & Input []Full virtual gamepad cursor system for menus and inventory []Improved camera input handling for gamepad-driven UI navigation []Cursor manager system refactor with debug mode fixes []Ship input system fully separated from character controls []Smoother and slower camera movement for improved comfort [] Gameplay []New bodygua…
Fixed build packaging issue. Re-uploaded complete game files.
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Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.