You have (normally) no vehicles and you fall. You die if a jet push you on the spikes.

You control a jet trough a place with obstacles. You can't see your character. You die if you encounter an object.

Jets push you trough a parkour and you don't need to move. All is do automatically.

You just need to see the scene and your heart go in an other character.

You need to pass obstacles and at the end, you die and your heart go in an other character.

You are playing the "Doctor" and you need, with custom vehicle do by the creator, transplant the heart to an other character.