Finish the first level by beating firebreathing Karnov.

Finish the second level by beating the talon-wielding ninja Nenail.

Finish the third level by beating the mirroring ninja Hanzo.

Finish the fourth level by beating the armored dude named Animal.

Finish the fifth level by beating the kusarigama-wielding warrior Killer Joe.

Finish the sixth level by beating bojutsu-master Kon Bosai.

Beat the leader of the Dragon Ninja gang.

Finish the first level by beating firebreathing Karnov on difficulty above normal.

Finish the second level by beating the talon-wielding ninja Nenail on difficulty above normal.

Finish the third level by beating the mirroring ninja Hanzo on difficulty above normal.

Finish the fourth level by beating the armored dude named Animal on difficulty above normal.

Finish the fifth level by beating the kusarigama-wielding warrior Killer Joe on difficulty above normal.

Finish the sixth level by beating bojutsu-master Kon Bosai on difficulty above normal.

Beat the leader of the Dragon Ninja gang on difficulty above normal.

Finish the first level without dying.

Finish the second level without dying.

Finish the third level without dying.

Finish the fourth level without dying.

Finish the fifth level without dying.

Finish the sixth level without dying.

Clear the boss rush level and defeat the Dragon Ninja leader without dying.

Finish the first level without picking up weapons.

Finish the second level without picking up weapons.

Finish the third level without picking up weapons.

Finish the fourth level without picking up weapons.

Finish the fifth level without picking up weapons.

Finish the sixth level without picking up weapons.

Clear the boss rush level and defeat the Dragon Ninja leader without picking up weapons.

Beat Karnov on level 1 without taking damage.

Beat Nenail on level 2 without taking damage.

Beat Hanzo on level 3 without taking damage.

Beat Karnov on level 1 without taking damage on difficulty above normal.

Beat Nenail on level 2 without taking damage on difficulty above normal.

Beat Hanzo on level 3 without taking damage on difficulty above normal.

Use powerpunch for the first time.

Equip a knife for the first time.

Equip nunchucks for the first time.

Perform spinkick for the first time.

Finish level 1 without jumping off the fence.

Beat level 2 without getting off the truck.

Recover from falling off the truck in level 2.

Recover from falling off the train in level 5.

Finish the first level without using spinkick ability.

Kill 10 blue normal ninjas with direct hits using power punch.

Kill 50 blue normal ninjas with direct hits using power punch

Finish the game without using any continues.

Finish the game without using any continues on difficulty above normal.

Put a ninja on fire out of his misery.

Beat Animal on level 4 without taking damage.

Beat Animal on level 4 without taking damage on difficulty above normal.

Put a total of 3 ninjas on fire out of their misery.

Beat level 1 on any difficulty without taking damage.

Beat level 1 on any difficulty without dying or jumping!

Pick up your first drink, which obviously is a Coca Cola!

Pick up your first clock giving you more time.