A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Ct.js is a desktop game engine that makes learning programming fun
Old-school 2D game engine
SDL based generic 2D game engine
A Tile-based Game Engine written in C# mimicing retro consoles.
Javascript library for making tile based games
2D Game Engine
Low-Level Game Engine for Retro Platforms
Real-time RPG for PC/tablet/phone; multiple quests and random dungeons
A roguelike game engine/editor