Power-up Locations-
Armor Capsules-
1)Leg Capsule - Allows X to preform a dash that is very very useful.
Chill Penguin's Stage, no secret location its on the main path.
2)Helmet Capsule - Allows X to break certain blocks with a headbutt.
Storm Eagle's stage
3)Body Capsule - Reduces damage taken by 50%
Sting Chameleon's Stage
4) X-Buster Capsule - Improves the capabilities of your current X-Buster to charge it more and create a more powerful shot, it also allows you to charge up the weapon you obtain from bosses.
Flame Mammoth's Stage
Heart Tank Locations-
There is one Heart tank in every stage, the reason I'm not telling you where is because they're pretty easy to find.
Energy Tank Locations-