# Unciv | Yair Morgenstern | Knowledge Base | Instagit Open-source Android/Desktop remake of Civ V GitHub Stars: 10.8k Repository: https://github.com/yairm210/Unciv --- ## Articles ### [How Unciv's Save/Load System Works Across Desktop, Linux X11, and Android](/yairm210/Unciv/unciv-save-load-system-platforms) Discover how Unciv's save/load system works on desktop, Linux X11, and Android. Learn about JSON serialization and platform-specific implementations for seamless cross-platform saving. - Tags: internals - Published: 2026-06-18 ### [What Are Transient Caches in Unciv and How Do They Optimize Performance?](/yairm210/Unciv/unciv-transient-caches-optimize) Discover how Unciv transient caches optimize game performance by eliminating recalculations and keeping save files small. Learn about runtime data structures and their benefits. - Tags: performance - Published: 2026-06-18 ### [How to Create Custom Tilesets for Unciv Maps: A Complete Guide to Visual Mods](/yairm210/Unciv/unciv-create-custom-tilesets) Learn to create custom tilesets for Unciv maps with this complete visual modding guide. Package images, define JSON, and register your mod to enhance your game's graphics. - Tags: how-to-guide - Published: 2026-06-18 ### [How the EspionageManager Works in Unciv: Spy Management and Intelligence Operations](/yairm210/Unciv/unciv-espionagemanager-work) Discover how Unciv's EspionageManager coordinates spy operations, calculates visibility, and manages turn-based intelligence missions. Learn about spy management in Unciv. - Tags: internals - Published: 2026-06-18 ### [How the Unciv AutoPlay System Automates Gameplay: A Technical Deep Dive](/yairm210/Unciv/unciv-autoplay-system-automate) Explore the Unciv AutoPlay system's technical details. Learn how it automates unit movements, city management, and turn transitions using the AutoPlay class for seamless gameplay. - Tags: deep-dive - Published: 2026-06-18 ### [How to Debug and Test Unciv: A Complete Guide to Unit Testing and Debugging Flags](/yairm210/Unciv/unciv-debug-test) Master Unciv debugging and testing with this complete guide. Learn to use debug flags and run JUnit tests efficiently for robust game logic verification. Fork the project today - Tags: how-to-guide - Published: 2026-06-18 ### [How PolicyManager Handles Social Policies in Unciv: A Complete Technical Guide](/yairm210/Unciv/unciv-policymanager-social-policies) Explore how Uncivs PolicyManager class manages social policies, culture, free slots, adoption, and civilization stats. Get a complete technical guide. - Tags: deep-dive - Published: 2026-06-18 ### [How the ReligionManager Handles Religious Beliefs in Unciv](/yairm210/Unciv/unciv-religionmanager-religious-beliefs) Explore how Uncivs ReligionManager class manages religious beliefs, from tracking faith accumulation and pantheon creation to founding religions and enhancing them with Great Prophets. - Tags: internals - Published: 2026-06-18 ### [How to Implement Custom Unit Actions in Unciv: A Complete Developer Guide](/yairm210/Unciv/unciv-implement-custom-unit-actions) Learn how to implement custom unit actions in Unciv. Follow our developer guide to define new actions, create builder functions, and register them for your mod. - Tags: how-to-guide - Published: 2026-06-18 ### [How to Create Custom Victory Conditions in Unciv: A Complete Modding Guide](/yairm210/Unciv/unciv-create-custom-victory-conditions) Learn to create custom victory conditions in Unciv using only JSON. This guide requires no code changes, making modding accessible for everyone. Define your unique win states today. - Tags: how-to-guide - Published: 2026-06-18 ### [How Diplomatic Relations Work in Unciv: Inside the DiplomacyManager Architecture](/yairm210/Unciv/unciv-diplomatic-relations-work) Discover how Unciv manages diplomatic relations through its DiplomacyManager. Learn about relationship levels, opinion modifiers, and turn-based flags influencing trade and war. - Tags: architecture - Published: 2026-06-18 ### [How TechManager Handles Technology Research in Unciv](/yairm210/Unciv/unciv-techmanager-technology-research) Discover how the TechManager in Unciv centralizes technology research logic, manages queues, calculates science costs, and handles turn-based advancement including overflow and era transitions. - Tags: internals - Published: 2026-06-18 ### [How to Create Custom UI Screens in Unciv: A Complete Developer Guide](/yairm210/Unciv/unciv-create-custom-ui-screens) Learn to create custom UI screens in Unciv. Extend BaseScreen, use Stage and skin, and push your screen with UncivGame.pushScreen(). A complete developer guide. - Tags: how-to-guide - Published: 2026-06-18 ### [How City Territory Growth Is Calculated in Unciv: Culture Mechanics Explained](/yairm210/Unciv/unciv-city-territory-growth-calculation) Discover how Unciv calculates city territory growth using culture. Learn the formula and modifiers affecting tile expansion in this strategy game. - Tags: deep-dive - Published: 2026-06-18 ### [How Unciv's EventBus Works for Game Notifications: A Technical Deep Dive](/yairm210/Unciv/unciv-eventbus-game-notifications) Explore Unciv's EventBus a lightweight publish-subscribe system. Discover how it decouples game event generation from consumption through type-safe listeners. Learn event handling in Unciv. - Tags: deep-dive - Published: 2026-06-18 ### [How to Add Translations and i18n Support in Unciv: A Complete Developer Guide](/yairm210/Unciv/unciv-add-translations-i18n-support) Add translations and i18n support to Unciv. Follow our developer guide to create property files, register locales, and rebuild for automatic language support. Enhance your game today. - Tags: how-to-guide - Published: 2026-06-18 ### [How Unciv Multiplayer and Turn Synchronization Works](/yairm210/Unciv/unciv-multiplayer-turn-synchronization) Discover how Unciv multiplayer and turn synchronization uses a dual-storage architecture and throttled polling to keep game states aligned across devices. Learn about its efficient networking. - Tags: internals - Published: 2026-06-18 ### [How to Implement Custom Civilizations in Unciv JSON Files: A Complete Modding Guide](/yairm210/Unciv/unciv-implement-custom-civilizations-json) Learn to implement custom civilizations in Unciv by editing JSON files. This guide covers defining Nation objects and integrating them into your game for a unique experience. - Tags: how-to-guide - Published: 2026-06-18 ### [How Unciv Handles Transient References During Game State Serialization](/yairm210/Unciv/unciv-game-state-serialization-transient-references) Discover how Unciv's game state serialization manages transient references using @Transient and setTransients() to ensure data integrity and prevent concurrency issues during saves. - Tags: internals - Published: 2026-06-18