Kill 100 Human Enemies.

Complete the ECHOES level undetected by the Watchmen.

Stealthily kill 15 Enemies.

Escape the chasing Nazis on the REICH level without being caught once.

Become a true ranger.

Kill 30 enemies with a flamethrower.

Kill 50 Watchmen.

Kill 20 lurkers.

Defeat Wolf Sigma in Mega Man X.

Use the Spiral Crush Buster to defeat a boss in Mega Man X.

Obtain all four armor upgrades in Mega Man X.

Defeat any of the eight Maverick bosses in Mega Man X.