Find Parker in the hockey arena

Face someone from Randall's past in the Park

Finish Randall's dream

Defeat an enemy with a single melee attack in the main game mode

Defeat an enemy in the main game mode

Get to the military control

Find the first health expander in the main game mode

Survive a close encounter in the main game mode

Escape from the warehouse

Be revived by the Valkyries after falling in combat.

Glide as Knuckles

Complete the Factory mission.

Destroy 100 enemies in "Survival" mode