Graphics, despite sharing a common ancestry, are well redone, and take into account the Amstrad power.
But sometimes After all, despite being slowlier, this is not an excuse to get the same awfull looking graphics... Sometimes those games are not that well "ported", yet itsconcept its concept and gameplay is such that this is not That important, the game is simply too good to be wasted by such detail as the use of Mode1, and it was still sufficently re-done.
*Head over heels : no attributes and the no-rastercolourchange policy enable to not waste CPU ressources uselessly, while the only 4 colours are cleverly choosen and used in a cartoon styled madness...