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📝 Development Journey

21 monthly updates documenting the solo development of I Thalassa – The New World

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Devlog #21 – Trading System, Economy & Localization

Hi everyone, Manuel Hosseini here with Devlog #21 for I Thalassa. This month was all about building a complete trading economy with NPC merchants, dynamic pricing, and full localization support for dialogs.

  • NPC Trader system with custom mesh, textures, and wobble shader
  • Hybrid trading mechanics where merchants buy any sellable item at reduced prices
  • Dynamic economy with price decay, restock cycles, and price history tracking
  • Language Manager for seamless dialog translation across all scenes
  • Door interaction system with key-based unlocking
  • Performance optimizations with Camera.main caching and reduced allocations
  • Crystal rare items and improved dialog UI for shipyard stations
Published on February 5, 2026
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Devlog #20 – Gamepad Input System, Bodyguards & Performance Optimization

Hi everyone, Manuel Hosseini here with Devlog #20 for I Thalassa. This month was all about gamepad support, bodyguards recruitment, and major performance improvements across the board.

  • Gamepad cursor system for menu and inventory navigation
  • Bodyguards acquisition and formation system
  • Power-ups performance overhaul and optimization
  • Booster power-up system with spatial audio
  • Animal interaction effects and sensor improvements
  • Scene persistence refactoring and polish
Published on January 10, 2026
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Devlog #19 – Build System Expansion, Modular Construction & Delete Mode

Hi everyone, Manuel Hosseini here with Devlog #19 for I Thalassa. This month focused on expanding the build system with modular construction, delete mode functionality, and advanced module management for deeper base-building gameplay.

  • Modular build system with weapon, wall, and structural modules
  • Delete mode and socket overlap detection
  • Enhanced VFX for Icarus ship
  • Inventory fixes and sensor improvements
  • Prefabs and scene configuration updates
  • File organization and project cleanup
Published on December 1, 2025
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Devlog #18 – System Overhaul, Visual Effects & Gameplay Expansion

Hi everyone, Manuel Hosseini here with Devlog #18 for I Thalassa. This month brought a major system overhaul, expanded gameplay mechanics, and significant visual effects enhancements across multiple game systems.

  • Inventory system overhaul with registry-based architecture
  • New Daedalus ship with enhanced flight mechanics
  • Shipyard station system with healing zones
  • Advanced VFX: shield, sprint, booster, and regeneration effects
  • Water interaction effects and environmental enhancements
  • Multiplayer improvements and terrain chunk system optimization
Published on November 14, 2025
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Devlog #17 – UI Systems, Audio & Visual Effects

Hi everyone, Manuel Hosseini here with Devlog #17 for I Thalassa. This week focused on enhancing UI systems, implementing advanced audio features, and polishing visual effects.

  • Complete minimap system with render texture baking
  • Underwater audio system with immersive sound effects
  • Enhanced speedlines and VFX engine integration
  • Scene management overhaul across multiple scenes
  • Debug mode enhancements and system optimization
  • Project structure improvements
Published on August 13, 2025
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