Perform a group stealth attack.
Block 5 consecutive enemy attacks.
Enter the Recall Hints section of the menu.
Perform 5 consecutive single shot kills.
Complete any training session.
Create a distraction by disturbing a flock of birds with Kuzo.
Activate the Wimpy Enemies cheat.
Complete Baumusu's challenges for the Ruins of Tiru.
Complete Baumusu's challenges for Tapuroku.
Complete Baumusu's challenges for Heiadoko.
Complete Baumusu's challenges for Vaitaku.
Complete Baumusu's challenges for Meifiti.
Complete Baumusu's challenges for Rahtutusai.
Perform 10 consecutive stealth kills.
Complete a level without dying.
Kill 15 consecutive enemies with your bow.
Disarm 5 consecutive enemies.
Complete a Time Attack using only your fists.
Complete a Time Attack in under 40 seconds.
Kill three enemies with one strike.
Unlock all movies and art.
Achieve a body count of 60 in any Body Count mode.
Collect every Tuku to unlock all weapons for every level.
