Chess Knights Shinobi

Folktaled shinobi

Master the ninpō

Hiraishin

Teleport yourself using a smokebomb

Your eyes deceive you

Hide from your enemies using the environment

Faito!

Stand against a more powerful enemy

Ninja walk

Use the height difference to be unseen

Not the birds!

Alert an enemy about your presence

Spotted

You shouldn't sound more alarms

Jacket on, jacket off

Complete your training

Kira

Assassinate your first target successfully

Asashin

Assassinate your second target successfully

Ichi

Collect the item from the first secret stage

Ni

Collect the item from the second secret stage

San

Collect the item from the third secret stage

Yon

Collect the item from the fourth secret stage

Go

Collect the item from the fifth secret stage

Roku

Collect the item from the sixth secret stage

Nana

Collect the item from the seventh secret stage

Hachi

Collect the item from the eight secret stage

Kyuu

Collect the item from the ninth secret stage

Juu

Collect the item from the tenth secret stage

Shinobi

Assassinate the shogun successfully

Sakusen kanryo

Burn the castle down

Not worse than trash

Complete 5 levels without losing any ninjas

Subete

Complete the collection

Strange territory

Enter a secret stage for the first time