Here is the full list of all 35 Yasai Ninja achievements.
Beat "Kyurinaga's Army"
Defeat the Shogun as Kaoru Tamanegui
Kill 50 Armored cucumber
Beat "Run!"
Beat "Burn Burn Burn!"
Kill 100 spicy chili
Beat "In Hell"
Kill 50 spicy chili
Kill 25 armored cucumber
Beat "Forge Road"
Beat "Sensei"
Kill 150 soldier cucumber
Beat "Freedom!"
Kill 25 ninja turnip
Kill 50 archer cucumber
Find 25% of the Ancient scrolls
Beat "Leek Town"
Beat "The Escape"
Beat "Prisoners"
Complete 100% of the game
Find 50% of the Ancient scrolls
Find 75% of the Ancient scrolls
Find all Ancient scrolls
Dodge an unnecesary fight
Defeat the Shogun as Broccoli Joe
Touch 100 objects
Beat Cauliflower taking no damage
Beat the game in PRO mode
Kill 2500 enemies
Beat an exploration level taking no damage
Beat a level with no deaths
Kill 250 soldier cucumber
Kill 100 archer cucumber
Kill 50 Ninja turnips
Beat the game in cooperative mode