Use the Grappling Hook Once
Grab Your First Batarang
Have 9 Batarangs
Enter in the Joker's Room
Defeated The Joker Without Taking Damage
Complete the Episode 1
Complete the Episode 1 on Hard Mode
Dick Grayson Joined in the Party
Enter in the Scarecrow's Room
Defeated The Scarecrow Without Taking Damage
Defeated the Scarecrow on Episode 2
Enter in the Mr. Freeze's Room
Defeated The Mr. Freeze Without Taking Damage
Complete the Episode 2
Complete the Episode 2 on Hard Mode
Enter in the Catwoman's Room
Defeated The Catwoman Without Taking Damage
Defeated the Catwoman on Episode 3
Enter in the Poison Ivy's Room
Defeated The Poison Ivy Without Taking Damage
Complete the Episode 3
Complete the Episode 3 on Hard Mode
Find the Exit in the Riddler's Maze
Enter in the Riddler's Room
Defeated The Riddler Without Taking Damage
Defeated the Riddler on Episode 4
Escape from the Penguin's Rooftop with 15 Segs Remaining
I'll Take Care of the Penguin
Enter in the Penguin's Room
Defeated The Penguin Without Taking Damage
Complete the Episode 4
Complete the Episode 4 on Hard mode
Complete the Episode 5
Complete the Episode 5 on Hard Mode
Don't Get Busted