RPG Maker 2000/2003 and EasyRPG games interpreter
Flexible level editor
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
IsoCity: City building simulation game
Map generator for games
Ct.js is a desktop game engine that makes learning programming fun
A free & open-source 2D sprite editor, made with the Godot Engine
An Arithmetical Tetris Game. Numbered tiles divide and cancel out.
An HTML5 Game Framework
Python front end for MAME that can run in Linux, Windows, and MacOS
MedGui Reborn is a frontend (GUI) for Mednafen multi emulator.
Old-school 2D game engine
3D modeler, 3D game maker, 3D demo maker
SDL based generic 2D game engine
Turn-based empire building strategy game inspired by Civilization II.
Build images with images
A 16 bit style game on the 16-bit IBM XT.
A development environment focused on modding
A Tile-based Game Engine written in C# mimicing retro consoles.
Javascript library for making tile based games
Internet Discussion Boards is a message board system by Game Maker 2k.