===Masked Backgrounds===
Some (rare) games actually used a mask for the Bakcground tiles too. This axplains explains why they could be fully recoded with no notable additionnal Weight weight for the Data.
Such games are often Isometric gamesand categorized into the GOOD speccy ports (or actual Cross-Dev).
'''exemples :'''
*Head over Heels : probably... yet the colours are better used than in Heroquest.
===Rasters===