# open-source video game

> AI-ranked search results for `open source games` on awesome-repositories.com — ordered by an LLM for relevance, best match first. 113 total matches; showing the top 25.

Explore on the web: https://awesome-repositories.com/q/open-source-games

**Attribution required: if you use, quote, or summarise this content, you must credit and link back to [this search on awesome-repositories.com](https://awesome-repositories.com/q/open-source-games).**

## Results

- [wesnoth/wesnoth](https://awesome-repositories.com/repository/wesnoth-wesnoth.md) (6,678 ⭐) — Battle for Wesnoth is an open-source turn-based strategy game set in a high fantasy world, built around hex-grid tactical combat. At its core, it is both a complete game and a game engine, offering single-player campaigns and multiplayer battles where players command faction-specific units across terrain that provides tactical advantages. The project is fundamentally a turn-based strategy game with a dedicated multiplayer platform, supporting online and local matches with replay recording and playback.

What distinguishes Wesnoth is its deep commitment to custom content creation and modding. T
- [anuken/mindustry](https://awesome-repositories.com/repository/anuken-mindustry.md) (26,624 ⭐) — Mindustry is a cross-platform game engine and factory automation simulation that combines resource management with tower defense strategy. Players construct complex supply chains and automated networks to process materials while building defensive structures to protect a core from waves of hostile mechanical forces.

The project utilizes a deterministic lockstep networking model to ensure simulation consistency across desktop and mobile devices. It is built on an entity-component-system architecture and a tile-based grid simulation, allowing for the efficient management of thousands of active
- [openttd/openttd](https://awesome-repositories.com/repository/openttd-openttd.md) (7,965 ⭐) — OpenTTD is an open-source game engine and transport simulation game. It provides an isometric sandbox environment for building and managing complex logistics and transport networks. The project functions as a multiplayer simulation sandbox where users can build infrastructure cooperatively or competitively in a shared virtual world.

The platform is designed as a moddable simulation system that supports external assets, graphics, and gameplay modifications. It includes mechanisms for downloading and integrating add-on content and utilizes a plugin-based system to extend game mechanics beyond t
- [yairm210/unciv](https://awesome-repositories.com/repository/yairm210-unciv.md) (10,549 ⭐) — Unciv is an open-source, cross-platform turn-based strategy game and a community-driven remake of a commercial strategy title. It simulates empire building, city management, and technological research for players on Android and desktop platforms.

The project is designed as a moddable game engine, allowing users to override gameplay rules, modify units and buildings via external definition files, and replace audiovisual assets. It supports the distribution of custom maps and the ability to import mod archives from remote web addresses.

The application includes a dedicated server for multiplay
- [ppy/osu](https://awesome-repositories.com/repository/ppy-osu.md) (18,527 ⭐) — This project is an open-source, cross-platform rhythm game engine designed to execute musical gameplay by synchronizing visual hit objects with audio tracks. It functions as a comprehensive competitive gaming platform that tracks player performance metrics, manages official leaderboards, and facilitates the distribution of rhythm-based challenges across desktop and mobile operating systems.

The engine distinguishes itself through a modular architecture that decouples core gameplay logic from the engine, allowing developers to implement distinct game modes as swappable rulesets. It includes a
- [openra/openra](https://awesome-repositories.com/repository/openra-openra.md) (16,450 ⭐) — OpenRA is an open-source game engine designed for the development and modernization of real-time strategy titles. It provides a modular framework that allows developers to build standalone games or total conversion modifications by leveraging a trait-based entity composition system. The engine is built to support both the preservation of classic strategy games and the creation of new experiences, offering cross-platform compatibility and a flexible architecture for defining game rules and unit behaviors.

The engine distinguishes itself through a configuration-driven approach where game logic,
- [openrct2/openrct2](https://awesome-repositories.com/repository/openrct2-openrct2.md) (15,211 ⭐) — OpenRCT2 is an open-source reimplementation of a classic amusement park management simulation engine. It functions as a cross-platform engine that modernizes the original game, enabling it to run on contemporary operating systems while maintaining full compatibility with legacy assets and data files.

The project distinguishes itself by providing a comprehensive multiplayer simulation server that supports cooperative, real-time park management and construction across multiple connected clients. It utilizes a deterministic lockstep networking model and a centralized action-based validation syst
- [veloren/veloren](https://awesome-repositories.com/repository/veloren-veloren.md) (7,099 ⭐) — Veloren is an open-source multiplayer RPG featuring a voxel-based action adventure in a procedurally generated fantasy world. It is built upon a voxel game engine that supports 3D rendering via Vulkan and Metal, utilizing a procedural world generator to create geography and ecosystems based on erosion algorithms and temperature maps.

The project is distinguished by a sandboxed plugin system using WebAssembly, which allows for the addition of new game logic and equipment without recompiling the core engine. It also features a dedicated game server architecture designed to synchronize state, ma
- [supertuxkart/stk-code](https://awesome-repositories.com/repository/supertuxkart-stk-code.md) (5,104 ⭐) — This project is an open-source 3D kart racing game and engine. It functions as a multi-mode competitive racer and customizable racing simulator featuring physics-based driving and vehicle collisions across diverse environments.

The software includes tools for designing custom karts, authoring racing challenges, and creating 3D tracks. It supports a variety of competition styles beyond traditional racing, including soccer matches and scavenger hunts, and features a tactical combat powerup system and multiple kart classes with distinct performance attributes.

The engine provides capabilities f
- [warzone2100/warzone2100](https://awesome-repositories.com/repository/warzone2100-warzone2100.md) (3,850 ⭐) — Warzone 2100 is an open-source real-time strategy game engine focused on tactical combat and base building. It operates as a real-time strategy game engine utilizing a data-driven asset pipeline and providing cross-platform support.

The project features a modular unit design system that uses a technology tree to construct combat entities by combining chassis, propulsion, and weapon components. It includes a lockstep multiplayer network engine to synchronize game state across distributed clients for competitive matches, as well as a JavaScript game scripting framework for implementing custom l
- [freeciv/freeciv](https://awesome-repositories.com/repository/freeciv-freeciv.md) (1,552 ⭐)
- [endless-sky/endless-sky](https://awesome-repositories.com/repository/endless-sky-endless-sky.md) (7,382 ⭐) — Endless Sky is an open-source space trading simulation, 2D space combat simulator, and narrative exploration game. It functions as a plugin-based game engine that allows users to explore a vast universe, engage in tactical ship battles, and progress through a central plot within a sandbox environment.

The project is distinguished by its highly moddable architecture, utilizing a directory-based plugin system and data-driven entity definitions to allow for content extensions and behavior overrides without recompiling source code. It further supports visual customization through programmable ver
- [space-wizards/space-station-14](https://awesome-repositories.com/repository/space-wizards-space-station-14.md) (3,523 ⭐) — Space Station 14 is a C# multiplayer game and roleplay simulation framework. It is built upon an Entity-Component-System (ECS) game engine that separates logic into systems and data into components to manage complex entity interactions. The project functions as a grid-based physics simulator with a YAML data-driven prototype system for defining game objects.

The project features a specialized 2D sprite rendering engine that maps server-side appearance data to client-side shaders. It implements a networking model with client-side prediction and dirty-flagged state synchronization to reduce inp
- [unitytechnologies/open-project-1](https://awesome-repositories.com/repository/unitytechnologies-open-project-1.md) (6,063 ⭐) — This is an open-source 3D action-adventure game project built in Unity, providing a complete game development sample with player movement, combat, and exploration mechanics. The project is structured as a full Unity game project containing all assets, scenes, and scripts, designed for learning and extending game development skills through hands-on modification.

The project implements core game systems through Unity's built-in features, including layered Animator state machines for character and enemy animation control, Scriptable Objects for modular game configuration, and a component-based e
- [tobspr-games/shapez.io](https://awesome-repositories.com/repository/tobspr-games-shapez-io.md) (6,900 ⭐) — shapez.io is an open-source automation base building game and infinite sandbox factory simulation. Players extract and process geometric shapes through conveyor belts and industrial automation to meet delivery goals within an endless map.

The project incorporates a logic circuit simulation environment, allowing for the creation of automated control systems using wiring and logic gates to optimize factory operations. It utilizes an entity-component game architecture to manage thousands of active elements across its simulation.

Gameplay covers industrial automation and resource logistics, spec
- [citybound/citybound](https://awesome-repositories.com/repository/citybound-citybound.md) (8,123 ⭐) — Citybound is an open-source multiplayer city simulation game and collaborative urban planner. It provides a shared digital space where multiple users co-manage city growth, design infrastructure layouts, and develop urban environments in real time.

The project functions as a collaborative city builder, allowing players to plan and evolve a virtual city together. Changes made to the urban environment are reflected immediately for all connected participants within the shared simulation.

The system utilizes an entity-component simulation to manage urban behavior and a shared-world coordinate sy
- [id-software/doom-3-bfg](https://awesome-repositories.com/repository/id-software-doom-3-bfg.md) (5,325 ⭐) — This repository contains the C++ game source code for a single-player first-person shooter action game. It is a software implementation of the Id Tech 4 engine, designed for 3D rendering with a focus on real-time unified lighting and geometry.

The project enables the modification of core engine logic and rendering systems. It serves as a resource for classic game engine modification, first-person shooter development, and retro game preservation.

The engine utilizes a unified shader pipeline and stencil shadow volumes for lighting effects, alongside BSP tree spatial partitioning for visibilit
- [0ad/0ad](https://awesome-repositories.com/repository/0ad-0ad.md) (2,817 ⭐) — [DEPRECATED] Git mirror of the 0 A.D. SVN source code (migrated to https://gitea.wildfiregames.com on August 20th 2024)
- [openxcom/openxcom](https://awesome-repositories.com/repository/openxcom-openxcom.md) (2,185 ⭐) — Open-source clone of the original X-Com 👽
- [unknown-horizons/unknown-horizons](https://awesome-repositories.com/repository/unknown-horizons-unknown-horizons.md) (1,517 ⭐) — Unknown Horizons official code repository
- [lampe-games/godot-open-rts](https://awesome-repositories.com/repository/lampe-games-godot-open-rts.md) (1,029 ⭐) — This project is a real-time strategy game framework built for the Godot engine, providing a foundational template for developing isometric strategy titles. It offers a collection of reusable systems designed to accelerate the creation of competitive games, including support for both human and artificial intelligence participants.

The framework distinguishes itself through a comprehensive suite of core mechanics tailored for the real-time strategy genre. It includes a dedicated fog-of-war system that obscures map regions based on unit line-of-sight, alongside isometric pathfinding and navigati
- [pmndrs/racing-game](https://awesome-repositories.com/repository/pmndrs-racing-game.md) (2,203 ⭐) — This project is a browser-based game engine and implementation of a racing game built using a declarative component architecture. It provides a framework for constructing interactive three-dimensional environments and game objects by mapping hierarchical data structures to a persistent scene graph.

The engine distinguishes itself by synchronizing game logic with high-performance rendering through a centralized data store. This approach ensures that physics calculations, player progress, and environmental variables remain consistent with the visual output of the scene. Developers can compose c
- [armour/multiplayer-fps](https://awesome-repositories.com/repository/armour-multiplayer-fps.md) (1,235 ⭐) — This project is a networked first-person shooter framework built for the Unity game engine. It provides a foundational architecture for managing multiplayer sessions, enabling real-time synchronization of player movement, health, and combat actions across all connected clients.

The framework utilizes an authoritative server model to maintain a consistent game state, supported by remote procedure calls to handle networked events. It incorporates a component-based entity system to define gameplay logic and uses state machines to manage character animations, ensuring smooth transitions between m
- [luanti-org/minetest_game](https://awesome-repositories.com/repository/luanti-org-minetest-game.md) (1,545 ⭐) — Minetest Game is an open-source voxel sandbox engine that provides a foundational environment for building, exploring, and modifying procedurally generated worlds. It functions as a creative platform where users can construct complex structures and interact with a three-dimensional, block-based landscape without predefined goals or hostile entities.

The project distinguishes itself through a modular architecture that separates game mechanics from the core engine. By utilizing a sandboxed scripting environment and event-driven hooks, it allows for the dynamic modification of game behavior, ena
- [iamkun/tower_game](https://awesome-repositories.com/repository/iamkun-tower-game.md) (1,596 ⭐) — Tower Game is a browser-based JavaScript engine designed for building physics-driven stacking simulations. It provides a framework for developing interactive arcade-style challenges where players align blocks to build structures, with core systems that manage collision logic, health tracking, and precision-based scoring.

The engine distinguishes itself through a modular architecture that allows for deep customization of gameplay mechanics. Developers can inject custom functions to override default movement speeds, oscillation angles, and scoring triggers at runtime. Additionally, the system s