: These function as in-game achievements. Unlocking them often provides bonus cosmetic cards or specific gameplay tweaks for Mega Man Zero 3 . Mega Man Zero/ZX Legacy Collection Review
: Your performance (clear time, enemies defeated) determines your Rank (S, A, B, etc.). Higher ranks (S or A) are often required to unlock EX Skills from bosses in Zero 2 and Zero 3 . Collection Extras
: A special feature for the ZX titles that mimics the original DS "Dual Link" feature, allowing you to face bosses from Zero 3 and Zero 4 . Essential Tips for Beginners