'''Plus features''': Indicates whether a game uses the Plus capabilities, at least Plus palette colours or better.
'''Homebrew''': Unofficially published games. It includes games spreaded spread as listings in magazines or published by retro-game companies after the end of the commercial life of the Amstrad CPC/Plus systems.
'''Description''': Useful informations like who patched the game or created it for GX4000, what have been patched, how to easily play the game on GX4000 and if upgrades have been added to the original CPC/Plus version.