Find all the ducks
Complete the Basement level on any difficulty
Complete the Basement level on Hard difficulty
Complete the Basement level on Extreme difficulty
Complete the Bathroom level on any difficulty
Complete the Bathroom level on Medium difficulty
Complete the Bathroom level on Hard difficulty
Complete the Bathroom level on Extreme difficulty
Complete the Sewer level on any difficulty
Complete the Sewer level on Medium difficulty
Complete the Sewer level on Hard difficulty
Complete the Sewer level on Extreme difficulty
Complete the Submarine level on any difficulty
Complete the Submarine level on Medium difficulty
Complete the Submarine level on Hard difficulty
Complete the Submarine level on Extreme difficulty
Find the Basement duck
Find the Bathroom duck
Find the Sewer duck
Find the Submarine duck
Complete a level in Blackout mode
Complete all levels in Blackout mode
Complete the Basement level on Medium difficulty