Collect a radio.
Collect all radios.
Unlock The Steep.
Unlock Catch Me if You Can.
Unlock Windmills.
Unlock Run Into The City.
Unlock Boomstick.
Unlock Falling Objects.
Unlock Bow Down.
Unlock Jagged Gap.
Beat all levels on Easy difficulty.
Beat all levels on Normal difficulty.
Beat all levels on Hard difficulty.
Hop 100 times.
Yank 1000 times.
Swing for 3000 meters.
Grapple for 3000 meters.
Climb for 50 meters.
Fall 5 kilometers total.
Stay off the ground for three continuous minutes (Jagged Gap excluded).
Maintain a speed of at least 180 km/h for a continuous minute.