Mega Man Xtreme 2/Walkthrough

Suggested order
Notes:
 * In Zero's Mission, the Head Crush and Leg Crush are useless.
 * In Extreme Mode, X's Arms Upgrade can be obtained without getting X's Head Upgrade; this way, X can keep using four parts instead of two.
 * In Extreme Mode, X's Head Upgrade is only necessary to obtain the Hadouken and Shouryuken.