General-purpose platform engine with many features, easy to extend.

Strange Engine is a 2D KIT, which can be used to create a top down game. Or use its modules in other projects.

The Swiss army knife of 2D game creation!

Command Prompt based Text-Game Engine

Source code learn to create online multiplayer games with this engine

Make PC Windows videogame in an easier way

Lowpoly 3D platformer toolkit for GameMaker:Studio, now with open world systems!

Bitty Engine is an itty bitty game engine, with built-in editors, programmable in Lua.

A 2.5D game making engine free for non commercial use!

Cross-platform (desktop, mobile, console) 3D and 2D game engine. Visual editor. glTF, X3D, Spine. Modern Pascal code.

GameMaker Online Engine

Make a Openworld Metroidvania Realtime Game

.ini files + dialog boxes = games!

Make games you'll love! <3 <3 <3

3Dev is a lightweight, yet powerful game engine with PBR, physics, angelscript support and more

microStudio game engine, easy to learn, packed with features

Create 3D rpg maker games with ease!

A small and lightweight 2d game engine

Lua 2D engine for the Sega Dreamcast

Create Space Impact Games!

RPG engine and a Character Editor / Level Editor

An easy-to-use but powerful tool for building games to share on PC and mobile devices

Source code gameMaker Online PvP Engine

The 3D Scenes Procedural Engine

Create your own games without coding.

Make Undertale fangames easy, and share with the world!

Monster Tamer games? Oh yeah, there's an engine for that!

Open Source 3D Game Engine

An RPG game map editor with drag-and-drop, grouping, and unlimited layers functionality.

Simple 2d Engine focused on drawing shapes rather than using textures/sprites.

LÖVE-based game engine for Lua

A Unity-like Game Engine For Three.js

Free and open source 2D and 3D game engine

An open-source, free, and modular RPG Maker alternative

A top down engine / template that speeds up the development process, perfect for top down games.