Climb upside unharmed before boulder ends its way in Atlas' room

Don't let thunder hit you in Thor's room

Defeat T-Rex

Defeat a wolf while you are both in the air

Take a close look at the snakes

Finish Temple of Xian chapter

Find the hidden snow leopard

Finish Wreck of the Maria Doria level by swan diving into the water and swimming to the end in one breath without taking damage

Find a shortcut to avoid entering a room with two levers and moving a block on a blue duct in Living Quarters

Collect all secrets in Offshore Rig levels

Finish Venice chapter

Finish The Great Wall chapter