Simple DirectMedia Layer
A community sourced database of game controller mappings
Classic overhead run-and-gun game
Phaser is a free and fast 2D game framework for making HTML5 games
Classic 2D side-scrolling platformer game
Cross-Platform C++ 2D/3D game engine
Cross-platform 2D game engine focused on ultimate productivity
Free, cross-platform 2D game engine powered by Haxe and OpenFL
A web-based IDE for HTML5 game development. Powered by Phaser
Cross-platform 2D and 3D game engine with modular architecture
Pymunk is a easy-to-use pythonic 2d physics library
A dead simple 2D game engine for Go
CGL (C Game Library) is a multipurpose library
LayaAir is an open-source 2D/3D engine
A game engine powered by python and panda3d
mGBA Game Boy Advance Emulator
OpenSoldat is a unique 2D (side-view) multiplayer action game
dhewm 3 main repository
Multi-platform 2D and 3D game engine
Enigma is a puzzle game
An easy to use 2D HTML5 game engine written in TypeScript
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cocos simplifies game creation and distribution with Cocos Creator
Source of Mana is a unique 2D MMORPG
Easy to use Python library for creating 2D arcade games