I fucked up saving Zero because I forgot where the X Hunter fight was in Bubble Crab's stage. Unfortunate.
I still prefer this one just a bit over X1, I like the stages more, the bosses are more difficult, and I just like how everything looks. Upgrades are also more interesting than X1's basic head/arm/leg upgrade, giving X some neat new abilities that I really enjoyed.
I give it like a 9.25/10 idk, maybe 9.5