CHROMA-60 is a Fantasy Computer programmed in assembly language for an emulated 8-bit CPU and has a scanline based renderer that supports raster effects and allows for very colorful images despite the 1-bit display.
Picotron Alternatives
Picotron is described as 'Fantasy Workstation: a self-contained creative environment built for imaginary hardware. Create cute Lua apps that can be run inside Picotron as windowed userland processes, shared as cartridge files, or exported to stand-alone HTML apps' and is a game development tool in the development category. There are more than 25 alternatives to Picotron for a variety of platforms, including Windows, Linux, Mac, Web-based and Self-Hosted apps. The best Picotron alternative is Godot Engine, which is both free and Open Source. Other great apps like Picotron are LÖVE, TIC-80, PICO-8 and quadplay.