Frameworks

Simply put, the most powerful user-friendly tool there is for creating games for 8-bit computers. Supported formats include the ZX Spectrum, MSX, Amstrad CPC, BBC Model B, Dragon 32/64, Acorn Atom, Enterprise and VZ200 with more on the way

CPCBasicator has been created to help develop in BASIC from PC on Amstrad CPC machines.

The Bladecoder Adventure Engine is a set of tools to create interactive graphic adventures (classical point and click games).

Morpheus is an experimental 2D game engine written in modern C++ supporting both the Nintendo DS and the Game Boy Advance, tested on real hardware when possible.

This is a remake of the C64 version of SEUCK (Win32, Linux and Mac OSX)

CPCtelera is an integrated development framework for creating Amstrad CPC games and content

Arcade Game Studio is a engine that can make classic 80's retro game. It offers many tools to build games that look and feel like 80's games. Add your own stuff, very lightweight, able to be played in almost all windows games and build in editor. No coding required, you can make a game under an hour.

Arcade Game Designer is a tool for creating ZX Spectrum and Amstrad CPC464 games

MegaZeux is a game creation system originally released in 1994 and still being developed today. At DigitalMZX you'll find an enormous collection of MegaZeux games and a forum inhabited by friendly MegaZeux veterans. In-depth community info can be found in the MZX Wiki.

A retro game engine for Python.

N64 game-engine and editor using Libdragon and tiny3d.

A development library and operating system for the Sega Dreamcast game console

A free development kit allowing development of software in C language for the Sega Mega Drive

A development kit for the Sega Mega Drive and Mega CD hardware

A desktop app that lets you create C64 programs with a drag-and-drop, block-based editor instead of typing assembly by hand