Here is the full list of all 76 Oh No Ninjas achievements.
Own The Dojo Sailor Hat accessory.
Own The Dojo character Ong.
Own The Dojo character Ralph.
Own The Dojo character C.Fu.
Buy all Word Lists from The Dojo.
Own all the female characters in The Dojo.
Own The Dojo character Whoosh.
Own The Dojo character Sue Doku.
Own The Dojo Silly Glasses accessory.
Own The Dojo Wizard Glasses accessory.
Win 100 rounds of Ninjas.
Own The Dojo character Sid.
Own The Dojo character Mr. Robot.
Own all the 3 wrestler characters in The Dojo.
Own The Dojo character Chipotle.
Own 2 different wrestler characters in The Dojo.
Own The Dojo character Bosco.
Own The Dojo character Felicia.
Own The Dojo character Jade.
Own The Dojo character Reginald.
Lose 25 rounds of Ninjas.
Play 100 rounds of Ninjas.
Survive 100 ninja attacks.
Give Up in 25 ninja battles.
Survive 50 ninja attacks.
Own The Dojo Construction Hat accessory.
Own The Dojo Police Hat accessory.
Own The Dojo Retro Glasses accessory.
Own The Dojo Trucker Hat accessory.
Own The Dojo Gaga Glasses accessory.
Own all upgrades from the Dojo.
Own the Pagoda arena in The Dojo.
Earn enough XP to reach level 15.
Own The Dojo Fez accessory.
Own The Dojo Aviators accessory.
Buy 2 upgrades from the Dojo.
Buy one upgrade in the Dojo.
Earn or buy 100,000 coins.
Play 25 rounds of Ninjas.
Earn enough XP to reach level 10.
Use 100 ninja stars.
Use 50 ninja stars.
Own The Dojo Top Hat accessory.
Own the Wrestling Ring arena in The Dojo.
Earn or buy 50,000 coins.
Own the Alley arena in The Dojo.
Play 10 rounds of Ninjas.
Buy 5 word lists from The Dojo.
Purchase a new word list in The Dojo.
Earn enough XP to reach level 5.
Use 25 ninja stars.
Defeat 100 ninjas.
Use a ninja star.
Earn or buy 5000 coins.
Defeat 50 ninjas.
Earn enough XP to reach level 1.
Start a ninja battle.
Defeat 25 ninjas.
Go to the Credits Screen.
Lose 100 rounds of Ninjas.
Play 500 rounds of Ninjas.
Play 1000 rounds of Ninjas.
Win 25 rounds of Ninjas.
Survive 10000 ninja attacks.
Buy all the hats in The Dojo.
Buy all the glasses in The Dojo.
Own every item in The Dojo.
Own The Dojo Laser Eyes accessory.
Own The Dojo Panda Hat accessory.
Own The Dojo Wizard Hat accessory.
Own The Dojo Cowboy Hat accessory.
Own The Dojo Monitor accessory.
Own The Dojo character Fabio.
Own The Dojo character Yorick.
Own The Dojo character The Troll.
Own The Dojo character Jim.