Played the X8 demake for myself
I can't compare it too much to base x8 because I haven't played it in years and I don't remember jack shit all
for a fan remake, it's really good and faithful, yea there's no axl zero or cutscenes but it's whatever, biggest positive though is reworking yeti and manowar's stages to be actual stages instead of dumb gimmicks like in the base game
the art style is impressive and gameplay feels smooth, sprite work and animations are incredible, it's overall good
my issues lie with the difficulty, it feels like a x3 situation of unbalanced, unarmed gets his ass handed to him then you get one of the chest parts that makes you immune to knockback and reduces damage so much that enemies are a joke and you can practically tank everything
also the ability to double jump and air dash twice are a bit broken, along with bambo's weapon that destroys spikes and when combined with a certain arm part makes ammo infinite is also broken(I don't mind any of this personally as you don't have to use them but I just thought it'd be worth mentioning)
the bosses are the worst offender, even with the reduced damage they still do so much with dark mantis being the worst offender, his desperation attack will practically kill you in two hits
and the gateway stage boss rematch has you fighting two bosses at once which depending on the combo you got can be a breeze or nightmare, btw you go through a little mini stage too and if you die once in them you have to do the other stage over with dark mantis and optic sunflower's parts being the worst offenders due to spikes(combined with darkness) and bottomless pits
I got up to lumine's second phase and gave up when i died as you have to fight sigma and lumine's first phase again and with empty e tanks I don't have the patience
overall, it's a fine fangame, I just think the difficulty is too much at times but beyond that it's fun for what you get especially for free