Complete your first structure (signs, ladders, and climbing anchors also count.)

Use the music player for the first time.

Give your first Like.

Deliver your first piece of lost cargo.

255 enemies destroyed using a flight unit.

Complete the alien ship.

Complete the desert area.

Arrive at the city ruins.

Complete a clean Stage or race

Complete a kitchen in the Arctic

Complete a kitchen on a pirate ship

Deliver a recipe to the Great and Terrifying Ever Peckish

Returned from the dead using "Resurrection" for the first time