Here is the full list of all 33 Ninjin: Clash of Carrots achievements worth 1,000 gamerscore.
Played a stage in co-op mode.
Collected all accessories.
Collected all projectile items.
Collected all artifacts.
Collected all swords.
Got an S-rank medal in every stage.
Reached wave 50 in the Oni TV Show.
Defeated the final boss Sum-Moe-Ner and cleared the game.
Beat stages using a sword of every class.
Cheated in Moe Jr.'s challenge in stage 4-4.
Reached a combo of 500.
Ventured into the Summoner's dark world.
Spent 1000 rainbow carrots at the shop.
Collected 10 accessories.
Spent 20000 carrots at the shop.
Collected 30 swords.
Defeated the Summoner in World 3.
Defeated 3000 enemies.
Collected 10 artifacts.
Collected 15 projectile items.
Reached a combo of 100.
Defeated the Ice Troll in World 2.
Defeated General Jam in World 1.
Equipped an accessory.
Played in the Oni TV Show.
Cleared wave 6 in stage 1-4 without taking damage.
Beat a stage without using swords.
Beat a stage without dashing.
Beat a stage without using projectiles.
Made Corgi Jr. dizzy in the shop.
Got an S-rank medal in a stage.
Defeated 100 enemies.
Cleared stage 1-1.