Complete one of the original Mark of the Ninja levels using the Path of Wisdom.

Earn all of the upgrades.

Knock out an enemy again that was revived from being knocked out.

Earn three stars in every level.

Find all three scrolls in every level.

Escape from the Stronghold.

Stealth kill an elite guard after stunning him.

Throw the body of one guard to terrorize another.

Stealth kill a guard from inside a dumpster.

Assassinate Kelly, the mercenary captain.

Distract 25 guards using environmental objects.

Complete a level without getting detected.

Kill one guard.