Some of my level design ideology for the Oil Rig levels in Choppa: Rescue Rivals.
This is the first chapter of the game. Players need to learn basic mechanics, like flying around and picking up the rescue object. There are wide open areas to make learning easy.
A simple puzzle for immediately after the player gets the Tail Slap ability. They have to break this loose debris with the new ability to proceed.
A player with a keen eye might notice that secret path down there.
The first time players encounter red barrels. players can push the other barrels into them to see what happens.
Watch out for seagulls!
A big button and a big door. Players must learn that the button opens the door and also that the Tail Slap can trigger the button.