Compass is a tool to take the player from one biome to another.
The developer says that compass was designed to be a "last ditch" way to reach a biome of your choice, but still encourage achieving goals through exploring.
In-game description Edit
"Found hidden in the Temples, this compass allows you travel to the biome of your choice for a small fee. Once purchased, select it from the main menu. " ― Izel's Workshop
To purchase compass, the cost is 4000 coins. After purchased, the player can travel to the biome they want by the cost of 1000 coins.