Here is the full list of all 33 Ninjin: Clash of Carrots achievements.
Collect all projectile items.
Collect all artifacts.
Collect all accessories.
Get an S-rank medal in every stage.
Collect all swords.
Make Corgi Jr. dizzy in the shop.
Reach a combo of 500.
Defeat the final boss Sum-Moe-Ner and clear the game.
Venture into the Summoner's dark world.
Cheat in Moe Jr.'s challenge in stage 4-4.
Spend 1000 rainbow carrots at the shop.
Defeat the Summoner in World 3.
Spend 20000 carrots at the shop.
Collect 15 projectile items.
Defeat 3000 enemies.
Collect 30 swords.
Collect 10 accessories.
Reach wave 50 in the Oni TV Show.
Defeat the Ice Troll in World 2.
Collect 10 artifacts.
Reach a combo of 100.
Defeat General Jam in World 1.
Beat a stage without using projectiles.
Beat a stage without using swords.
Beat a stage without dashing.
Beat stages using a sword of every class.
Clear wave 6 in stage 1-4 without taking damage.
Equip an accessory.
Play in the Oni TV Show.
Play a stage in co-op mode.
Clear stage 1-1.
Get an S-rank medal in a stage.
Defeat 100 enemies.