Steam Achievements
- Awakened - Save Azai from the mercenaries.
- Crimson Haiku - Perform five different types of stealth kills successfully in one level.
- Deadly Shadows - Stealth kill a guard from inside a dumpster.
- Descendent of Iga - Earn three stars in every level.
- Escape - Escape from the Stronghold.
- Fated - Determine your fate.
- Gallows - Terrify a guard using the result of a hanging stealth kill five times.
- Ghost - Complete a level without killing any guards and without being detected.
- Haiku - Find all three scrolls in every level.
- Hisomu's Heir - Kill one guard.
- Inner Heaven - Kill a guard from inside the box.
- Karajan's Fate - Assassinate Karajan.
- Manipulator - Distract 25 guards using your equipment.
- Marked - Earn all the upgrades.
- Masterful - Complete a level without getting detected.
- Mercy - Complete a level without killing any guards.
- No One Lives Forever - Stealth kill an elite guard after stunning him.
- Of The Mind - Complete all of the challenge rooms.
- Oni - Terrorize 10 guards.
- Perfection - Earn all the Seals in every level.
- Snare - Use a dead body to lure another guard and then stealth kill them.
- Stealth Assassin - Perform 25 successful stealth kills.
- Tactical Espionage Action - Within a single Focus, aim and throw three different types of items.
- The Dark Project - Get the Undetected honor bonus 10 times in one level.
- The Mercenary - Assassinate Kelly, the mercenary captain.
- The Worst Allies - Kill a guard by getting other guards to shoot them.
- Things Better Left Unseen - Throw the body of one guard to terrorize another.
- Trickster - Distract 25 guards using environmental objects.
- True Ninja - Complete the game in New Game Plus.
- Unstable Footing - Terrify a guard and cause him to stumble to his death.