Easy to use Python library for creating 2D arcade games
MAME is a multi-purpose emulation framework
Phaser is a free and fast 2D game framework for making HTML5 games
Raycasting plugin for Phaser 3
Haskell to VHDL/Verilog/SystemVerilog compiler
Ct.js is a desktop game engine that makes learning programming fun
Sega system-16 emulator
A Phaser CE plugin that brings sloped tile collision handling
A web-friendly way for anyone to build unusual displays
C-Lesh is a game programming language for 2D games.
flixel is a free Actionscript (Flash) library