30 open-source projects similar to tomlooman/actionroguelike, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
This repository is a comprehensive collection of functional 2D and 3D demo projects and implementation samples for the Godot Game Engine. It serves as an interactive tutorial and reference library, providing a working codebase to demonstrate how to apply engine features in real-world scenarios. The collection focuses on practical implementation guides, covering a wide array of technical capabilities from basic engine fundamentals to advanced rendering and scripting techniques. It allows users to study the application of node-based composition, asset pipelines, and game logic through direct ex
vcmi is an open-source game engine for Heroes of Might and Magic III that recreates the gameplay, logic, and rendering of the original strategy game. It serves as a cross-platform game runtime supporting Windows, Linux, macOS, Android, and iOS, providing a turn-based strategy simulator for strategic world map navigation and tactical combat. The project is built as a moddable game framework, featuring a data-driven modding system and a sandboxed Lua scripting integration. These allow for the definition of custom gameplay logic, spell effects, and the addition of new factions, characters, and a
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
FXGL is a 2D game engine and development framework designed for Java and Kotlin. It provides a structured environment for building cross-platform desktop games, integrating a central game loop with an entity component system and a JavaFX-based scene graph for rendering. The toolkit distinguishes itself by providing a comprehensive suite of integrated libraries for game AI pathfinding, physics collision resolution, and multiplayer networking via TCP and UDP protocols. It includes specialized systems for adaptive user interface design using global stylesheets and a data-driven asset management
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
Beehave is a behavior tree AI framework and plugin for the Godot engine. It serves as an agent logic orchestrator for designing adaptive non-player character behaviors using hierarchical behavior trees. The system features a visual debugger that provides runtime visualization of the execution flow and internal state of active trees. This allows for AI execution analysis and the identification of logic errors through a state-based runtime interface. The framework utilizes a composite-decorator pattern and a tick-based polling cycle to execute tree-based logic. It integrates directly with the
This repository is a collection of reference implementations and sample projects demonstrating data-oriented design using the Unity Entities package. It provides a suite of examples for implementing an entity component system that separates game data into components and logic into systems. The collection includes specialized demonstrations for rendering large volumes of entities via graphics pipelines, implementing high-performance collision and rigid body dynamics through data-oriented physics, and managing multiplayer state synchronization using the network framework for entities. It also p
Urho3D is a cross-platform 3D game engine written in C++. It uses a component-based scene graph to compose game objects from nodes and attached components, separating transforms from behaviors for modular design. The engine integrates AngelScript and Lua scripting for game logic, uses the Bullet library for physics simulation, and renders scenes with OpenGL or Direct3D through forward, deferred, or light pre-pass pipelines with customizable render passes and shadow mapping. The engine distinguishes itself with a built-in visual scene and UI editor for composing 3D worlds and interface layouts
Fluid Behavior Tree is a code-driven framework for Unity designed to manage autonomous character behaviors through hierarchical decision-making structures. It functions as a game AI logic engine that processes complex entity behaviors by traversing directed graphs of nodes that return success, failure, or running status signals during each frame update. The library distinguishes itself through a fluent builder pattern that allows developers to define nested tree structures, sequences, and parallel execution flows entirely through chainable code methods. This approach emphasizes modularity, en
Craft is a multiplayer voxel sandbox written in C. It utilizes an OpenGL voxel engine to render a block-based world and implements an infinite terrain generator that uses noise functions to create deterministic, procedural landscapes. The project features a networked environment where players can build and modify a shared world using socket-based state synchronization. To maintain consistency across sessions, it employs a voxel world database to store and retrieve modified block coordinates. The system covers a range of capabilities including 3D collision detection for character movement, to
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
Bareiron is a minimalist environment for hosting multiplayer game servers on low-power, memory-constrained devices. It functions as a Minecraft server optimizer designed to provide basic connectivity for remote players while operating on embedded hardware with limited system resources. The software includes a hardware performance tuner that allows for the disabling of intensive game mechanics and resource-heavy features to prevent system crashes. It also incorporates a network traffic controller to adjust broadcast frequencies and tick rates, reducing bandwidth consumption and lag. The syste
tModLoader is a modding framework and toolset designed for expanding game content and extending core game logic. It provides a polymorphic content API that allows for the creation of new items, NPCs, projectiles, and world assets through object-oriented inheritance. The project is distinguished by its advanced code modification capabilities, utilizing intermediate language bytecode patching and reflection-based private access to alter internal game behavior. It features a hot-reloading assembly runtime that enables developers to recompile and apply source code changes in real-time without res
Amethyst is a data-driven game engine written in Rust for building high-performance 2D and 3D games. It is built on an entity component system architecture that decouples game state from logic to enable parallel processing and reusable code. The framework features a glTF 3D renderer for importing scenes and geometry using physically based materials. It also serves as a multiplayer game framework, providing network transport abstractions and state synchronization for real-time online experiences. The engine covers a broad range of capabilities, including hybrid 2D/3D rendering, asynchronous a
jynew is a 3D RPG game engine and development framework designed for building three-dimensional role playing games. It provides a comprehensive suite of tools for scene editing, game logic scripting, and the creation of 3D environments. The project features a specialized 3D asset management pipeline for importing and aligning models and animations, including specific tools for weapon attachment and rendering. It includes a dedicated combat system editor for defining battle encounters, skill effects, and combat grids with real-time synchronization. Additionally, it provides a game modding fram
Romm is a self-hosted game library manager and ROM management web interface. It serves as a central server for storing and categorizing game files and emulator firmware, providing a web-based browser to organize collections through automated library scanning and metadata retrieval. The project distinguishes itself by integrating a web-based emulator frontend that uses WebAssembly to play games directly in the browser. It further provides a game save synchronization server that uses SSH-based synchronization to transfer save states and progress between the server and registered handheld device
CyberEngineTweaks is a modding framework for Cyberpunk 2077 that provides a suite of tools for engine patching, scripting extensions, and the creation of interactive in-game modification interfaces. It functions as a scripting engine extension and patching tool designed to modify engine behavior and add custom game logic. The project distinguishes itself by combining a script-injection framework with a graphical user interface library, allowing for the development of custom settings menus and overlays directly within the game engine. It enables low-level engine modifications to improve perfor
Kryo is a Java binary serialization framework and object cloning library used to convert Java objects into a compact binary format and restore them from bytes. It provides a system for creating deep or shallow copies of complex object graphs without requiring binary conversion. The project utilizes variable-length integer encoding and integer-ID class registration to reduce the size of serialized data. It handles complex object graphs through circular reference tracking to prevent data duplication and infinite loops. To maintain long-term data viability, it includes schema evolution managemen
This repository is a comprehensive collection of reference implementations and sample libraries for the Universal Windows Platform. It provides practical examples of how to use Windows Runtime APIs to build cross-device applications, including detailed guidance on XAML-based declarative user interfaces and DirectX-integrated rendering. The project distinguishes itself by providing a wide array of hardware integration suites, covering low-level communication with USB, Serial, I2C, SPI, and GPIO peripherals. It includes specialized implementations for mixed reality holographic rendering, advanc
Ogre is a high-level 3D rendering engine designed for creating games, simulations, and visualizations without requiring low-level graphics API code. It functions as a framework for real-time 3D graphics processing, providing a physically based renderer to simulate lifelike surfaces and lighting. The engine includes specialized systems for skeletal animation to control character movement and a terrain generation system for producing large textured landscapes. These features are supported by automatic levels of detail and distance-based mesh management to maintain performance. The project cove
Oasis Engine is a web-based game engine and component-based game framework designed for creating real-time interactive 2D and 3D applications for web and mobile platforms. It functions as a real-time 3D renderer and a physics simulation engine capable of producing interactive visual environments. The framework includes a visual scene editor that allows artists and developers to build, layout, and export project scenes through a graphical interface. This system supports visual scene composition and converts these layouts into structured data for runtime reconstruction. The engine's capabiliti
BehaviorTree.CPP is a C++ library for designing task-switching logic and reactive behaviors using a hierarchical tree structure. It provides a framework for creating reactive logic systems that manage complex behaviors through an execution engine and a centralized data store for sharing state between nodes. The library decouples high-level behavioral logic from source code by using an XML parser to define tree morphology. It further extends its functionality through a dedicated visualizer for monitoring real-time execution states and a specialized bridge for integrating ROS2 actions and servi
Navigation2 is a ROS 2 navigation framework for autonomous mobile robots. It provides the core identity of a path planner, costmap management system, kinematic motion controller, and behavior tree orchestrator to compute collision-free routes and execute movement commands. The framework is distinguished by its use of behavior trees to coordinate modular task servers, enabling complex navigation routines and autonomous recovery actions. It supports a plugin-based architecture that allows planners and controllers to be swapped at runtime to adapt to different environments. The system covers a
Odin Serializer is a framework designed for the Unity game engine to convert complex object graphs into persistent binary or JSON formats. It provides a system for saving and loading intricate class structures, including nested generics and polymorphic types, while maintaining the structural integrity of the data. The framework distinguishes itself through its support for ahead-of-time compilation, generating necessary type metadata during the build process to ensure functionality on platforms that restrict runtime reflection. It integrates directly with the Unity engine lifecycle, allowing f
This project is an open-source 3D game engine designed for building high-fidelity games, simulations, and cinematic environments. It functions as a robotics simulation platform with native integration for ROS 2 to model robot controllers and sensors. The engine features a multi-threaded Forward+ physically based renderer that supports hardware-accelerated ray tracing and global illumination. The system is built on a modular extension architecture using Gems to add or replace features without modifying core binaries. It includes a native SDK for AWS cloud integration, enabling IAM authenticati
This project is a single-player tower defense game and 2D grid-based strategy application built with Python and the Pygame library. It focuses on resource management and tactical unit placement to prevent waves of enemies from reaching a goal. The gameplay centers on constructing defensive lines using units with specialized combat abilities. Players manage a limited currency by collecting energy resources via a pointer interface and select specific equipment sets to configure their available units before starting a level. The system supports level-based progression by loading environmental c
This is the original C source code for the Quake game engine, a landmark first-person shooter engine from the 1990s. It is a retro game engine that renders 3D environments and processes player input in real time using CPU-based software rendering rather than GPU acceleration. The engine supports networked multiplayer gameplay over LAN or internet connections and is designed to be moddable, allowing users to create and run custom game modifications and levels. The engine's architecture includes a Binary Space Partition tree for efficient world geometry organization and visibility determination
Piston is a modular game engine and framework written in Rust for building two and three-dimensional graphical applications. It functions as a cross-platform windowing library and a system for managing input events and window loops across different operating systems. The project provides specialized rendering systems, including a voxel rendering engine for volumetric pixels and a skeletal animation system for deforming meshes via hierarchical bone structures. It also features an immediate mode user interface toolkit for creating responsive on-screen elements and a behavior tree AI framework t