TIC-80
Fantasy computer for making, playing and sharing tiny games
...It provides a complete game development environment with built-in editors for programming, sprites, maps, sound effects, and music. Developers can create games using languages such as Lua, JavaScript, Python, Ruby, and MoonScript. The virtual hardware imposes creative limitations, including a 240 × 136 pixel display, a 16-color palette, and four-channel audio. Games are packaged into portable cartridge files that can be shared across supported platforms. TIC-80 also supports keyboard, mouse, and game controller input for interactive gameplay. ...