Tenchu 2: Birth Of The Assassins

Successfully complete the game with both Rikimaru and Ayame.

Pausing the game and holding square, and then pressing Left, Right, Up, Down will restore your health.

During the game, hold select to view the map and press Circle five time.

You can get the different stealth kills by being in the correct position in relation to the enemy.

Easy stealth kills
Sneak up from behind.

Sneak up from behind and crouch.

Jump on enemy, while pressing Attack in mid-air.

Moderate stealth kills
Sneak from the side.

Hard stealth kills
Sneak from front (or wait for them to turn around into you). This must be timed perfectly.

At Custom Mission screen, hold R2 and Circle and press Up, Down, Down, Right, Left, Left.

At item selection screen, press Square, Square, Square, Circle, Square, Circle, Circle, Left, Up, Down, Right, R2, R2.