Successfully complete the indicated task to unlock the corresponding emblem that will appear next to your name.

Emblem	How to unlock
BFF	Use 100 co-op moves.
Boss Buster	Defeat 100 Bosses.
Brainiac	Play a Story mode level (single player) on the Normal or higher difficulty; do not switch from Donatello or get knocked out.
Bullet Rain	Defeat 30 enemies in a row using a turret.
Can Crusher	Defeat Super Shredder without equipping any charms or using any Ninjutsu, items, or power ups.
Charmer	Collect all charm types.
Chopper Chopper	Destroy 30 helicopters.
Clean Feet	Use a gimmick to travel 100 ft without touching the ground.
Close Call	Defeat a Boss while all players are in the pizza room.
Defense Artist	Perform 100 perfect guards.
Don't Need Help	Play a Story mode level (single player) on the Normal or higher difficulty; do not switch from Raphael or get knocked out.
Economic and Efficient	Defeat five enemies simultaneously with a single Ninjutsu.
Elite Challenger	Defeat 10 elites.
Elite Combatant	Defeat 50 elites.
Elite Conqueror	Defeat 100 elites.
Experienced blocker	Perform 50 perfect guards.
Fearless	Successfully complete all stages on the Very Hard difficulty.
Field Doctor	Help recover or revive your buddies 50 times.
Fledgling Ninja	Defeat 50 enemies with takedowns.
Gotta go fast	Defeat 10 enemies with takedowns within 30 seconds.
Hard Worker	Get an "S" rank 50 times.
Hold Perfectly Still	Defeat five enemies during Turtle Time. Note	Enemies defeated by other Turtles also count.
Humiliator	Defeat General Krang with a Krangdroid.
Kung Fu Master	Perform a parry (perfect guard) five times in a row on a Boss.
Maniac	Obtain all collectibles.
Mass Transit	Have five enemies get hit by a train at once.
Master Warrior	Defeat 500 enemies.
Natural Leader	Play a Story mode level (single player) on the Normal or higher difficulty; do not switch from Leo or get knocked out.
Ninjutsu Legend	Fully upgrade all ninjutsu.
Ninjutsu Master	Obtain all ninjutsu.
Ninjutsu Novice	Obtain half of all ninjutsu.
One Man Party	Play a Story mode level (single player) on the Normal or higher difficulty; do not switch from Michelangelo or nor get knocked out.
Only the Best	Get an "S" rank 100 times.
Perfect Synch	Perform a communication action during the snapshots when a Boss is defeated.
Professional Medic	Help recover or revive your allies 100 Times.
Running Circles	Perform a back attack (perfect dodge) five times in a row on a Boss.
Seen them all	Defeat all secret Bosses.
Showoff	Have Michelangelo do his co-op move finishing pose during the snapshot when a Boss is defeated.
Skilled Warrior	Defeat 250 enemies.
Sky Cleaner	Destroy 15 helicopters.
Slam Dunk	Use a heavy attack to knock an enemy against the basketball board in the Residential area, defeating him.
Stealthy to the End	Defeat all Bosses with a takedown.
Street Warrior	Defeat 50 enemies.
Turtle Power	Defeat Mega Krang without using a Krangdroid.
Ultimate Ninja	Defeat 100 enemies with takedowns.
Untouchable	Defeat Super Shredder in Hard mode without being shell-shocked once.