OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

open-source c-plus-plus foss rpg-engine morrowind openmw tes

• Updated Nov 11, 2026
• C++

ScummVM main repository

multiplatform rpg-engine adventure-engine adventure-games

• Updated Nov 12, 2026
• C++

Reimplementation of Gothic 2 Notr

vulkan remake rpg-engine gothic gothic2

• Updated Nov 11, 2026
• C++

RPG Maker 2000/2003 and EasyRPG games interpreter

cross-platform game-engine game-development game-2d wii-homebrew rpg-engine rpg-maker game-interpreter psvita rpgmaker 3ds-homebrew rpg-maker-2k3 rm2k3 rpg-maker-2003 rpgmaker2000 rpgmaker2003 rm2k rpg-maker-2000 rpg-maker-2k switch-homebrew

• Updated Nov 8, 2026
• C++

Unreal Engine 4 Action RPG type game starter kit.

rpg c-plus-plus unrealengine unreal-engine ue4 rpg-game rpg-engine unreal-engine-4

• Updated Feb 18, 2023
• C++

Retro RPG Game Maker

rpg games ubuntu pypi rpg-engine

• Updated Apr 23, 2018
• Python

An implementation of the Diablo 1 game engine

game-engine sfml2 rpg-engine

• Updated Jul 21, 2025
• C++

H2服务器引擎架构是轻量级的，与其说是引擎，个人觉得称之为平台更为合适。因为它封装的功能少之又少，但是提供了非常简洁方便的扩展机制，使得可以用C++、python、lua、js、php来开发具体的服务器功能。H2引擎的灵感来源于web服务器Apache。

js game-engine mmo tcp-server lua-binding rpg-engine php-server cpp-sockets

• Updated Feb 16, 2022
• C

Scott's Open Source C# RPG

c-sharp rpg tutorial wpf rpg-engine

• Updated May 18, 2025
• C#

Modular game engine built with MonoGame, with GMS2-like workflow and advanced level editor

game rpg games xna game-engine cpp kit engine simplex gml monogame game-maker rpg-engine rpg-tool monogame-framework monogame-extended game-maker-studio-2 yyc simplex-rpg-engine

• Updated Dec 8, 2022
• C#

🎨: RPG map maker (paint tool)

rpg tile procedural-generation pixel terrain terrain-generation tiled-map-editor tilemap game-2d procedural rpg-game painting rpg-engine rpg-maker map-generation rpg-tool rpgmaker procedural-terrain map-generator

• Updated Feb 10, 2024
• C++

Open Source role-playing game engine for Taleworlds' Mount&Blade Series written in C# using Ogre3d Engine

game open-source modding game-engine mod ogre3d rpg-engine game-engine-3d moddable-game mount-and-blade modio openmb ogre3d-engine taleworlds

• Updated Jul 21, 2026
• C#

Agents for Role Play. Agents for Game. Agents as a Game. An orchestrator-agents engine for living worlds — file-backed, event-sourced.

ai game-engine rpg-game rpg-engine ai-agents agent-framework llm file-backed llm-agents ai-rpg agentic-ai ai-roleplay agent-orchestration airp ai-rpg-engine worldlines neonrp

• Updated Oct 26, 2026
• Python

Official Hamster Republic RPG Construction Engine

rpg gamedev cross-platform game-engine rpg-engine freebasic rpg-tool ohrrpgce game-engine-2d

• Updated Oct 28, 2026
• FreeBASIC

A free, open-source, fully editable RPG engine. !!! HEAVILY WIP PROJECT !!!

game rpg open-source gamedev game-engine game-development free customizable rpg-game rpg-engine rpg-tool plugin-support

• Updated Oct 30, 2026
• C#

Old-school CRPG engine, editor and game

rpg c-plus-plus lua rpg-game rpg-engine ultima

• Updated May 21, 2020
• C++

2D RPG Game creator

javascript game games game-engine engine rpg-engine rpg-maker rpg-tool game-engine-development game-engine-2d rpgtoolkit rpg-creator

• Updated Sep 11, 2024
• Java

AI-powered interactive RPG engine with persistent memory, independent NPC minds, creativity-based combat, and a reactive world. Build scenarios, live adventures — the AI narrates everything. Supports DeepSeek, Anthropic, and OpenAI.

react open-source game-engine neo4j storytelling interactive-fiction text-adventure rpg-engine fastapi ai-dungeon llm anthropic deepseek ai-storytelling ai-rpg narrative-engine

• Updated Sep 7, 2026
• Python

The version IDMarinas Edition is based on the version 1.1.2 Dragonprime by Dragonprime Development Team and version 1.2.5 +nb Edition of Oliver Brendel.

game rpg php mmorpg browser-game rpg-game rpg-engine lotgd text-based-game-engine text-based-game text-based-game-framework rpg-text dragonprime idmarinas

• Updated Feb 14, 2026
• PHP

Script per la creazione di Giochi di Ruolo "Play by Chat" su browser

mysql php rpg-engine rpg-maker play-by-chat

• Updated Nov 11, 2026
• PHP