Open source. Open possibilities.

AI-powered novel RPG engine: import PDF novels or play built-in classics, role-play as characters, and make choices that alter stats, relationships, and story divergence.

A personal Elixir/OTP game-automation bot for a 2D MMORPG, using screen capture and synthetic input on macOS. It features a supervised process fleet, pure decision logic, and fail-safe actuation controls.

PGX is an open-source, modular C++ gameplay framework for Unreal Engine 5, designed to unify configuration, extension, and diagnostics.

BTX Start is a mining pool frontend and installer for the BTX cryptocurrency, which uses matmul proof-of-work. It provides a one-line installation script for NVIDIA GPUs (Linux/Windows) and Apple Silicon (Mac), featuring automatic GPU detection, performance tuning, and stratum protocol support to simplify mining compared to solo setups.

FlatRedBall is a cross-platform 2D game engine built with .NET and C#, featuring a dedicated editor to enhance developer productivity.

openage is a volunteer project building a free engine clone of the Genie Engine used by Age of Empires and AoE II. It uses original assets (not shipped), and gameplay is currently non-functional while the simulation is reimplemented. C++20, Python, Qt6, OpenGL, nyan modding format.

A collection of Docker container images for hosting dedicated game servers, including Minecraft (Paper, Skyblock, Cobblemon), Terraria, Valheim, Satisfactory, Rust, Don't Starve Together and Project Zomboid.

A C++ 3D geometry and level workstation for the original Silent Hill (1999) and its unofficial PC decompilation port, supporting bidirectional conversion of proprietary binary formats.

PoBR is a Rust rewrite of Path of Building for PoE2, offering fast stat calculation with source attribution, native i18n (EN/繁中/简中), and WASM web support. Beta.

Local-first browser text RPG framework: author world cards, connect your own LLM, and play with streaming narration, NPCs, d20 checks, saves, hex maps, and PWA offline support.

WebeeBlocks is an offline-first educational robotics environment that uses Blockly and Webots to teach algorithmic reasoning through Crazyflie drone simulation.

OpenHive is a model-agnostic runtime for managing colonies of AI agents designed for production business processes, featuring state management, failure recovery, and human-in-the-loop oversight.

AurexTranslator is a cross-platform, real-time screen translator for Windows and Linux (X11/XWayland). It translates text captured by OCR, from the clipboard, or hooked directly out of a game process through injectable engine-specific plugins.

Croupier is a general-purpose GM backend system for game operations, supporting integrated management of multiple games and environments. It utilizes a TCP session model for Agent-Server and SDK-Agent communication and defines business scopes via gameId and env.

Terminal-based AI MMORPG where players connect over TCP to a Gemini-narrated dungeon, fight monsters, loot treasure, level up, and chat.

Project AIRI is a self-hosted AI companion ("cyber living") inspired by Neuro-sama, supporting realtime voice chat, Live2D/VRM avatars, and game playing like Minecraft and Factorio. Runs in browser, macOS, Windows, and mobile.

Nakama is an open-source game backend server from Heroic Labs. It provides users, storage, social graph, chat, realtime and turn-based multiplayer, leaderboards, tournaments, parties, purchase validation, notifications and runtime code.

Goat It Web Game is a Nuxt 4 and Vue 3 web game, part of the Goat It app ecosystem, with a live demo, Docker support, and comprehensive testing via Vitest, Playwright, and Cucumber.

3D rogue-like game in Go using g3n engine, based on a tutorial series. Features ECS architecture and assets from PolyHaven and @mz4250.

An agentic AI role-playing game framework where narration, NPCs, lore, and character creation run as composable plugin agents, with stage and text modes, portable world packs, and support for OpenAI, Anthropic, DeepSeek, and Qwen.