1001 Spikes

Golden Boy

Complete the Golden Temple

Stone Cold

Complete Antarctica

Lost and Found

Complete the Lost Levels

Towerful

Complete the Tower of Nannar

Headhunter

Collect all golden skulls

Collector

Unlock every character and costume

Speed Runner

Complete every stage of the main game as Aban Hawkins with a cumulative time of less than 30 minutes

Serpentine

Find the Key of Serpentis