How do I create a Lighthouse in Doodle God?

To create a Lighthouse in Doodle God, you need to combine specific elements. First, ensure you have unlocked the necessary element groups, such as Energy, Tools, and Buildings. Start by creating Fire and Air to make Energy. Then, combine Energy with Stone to create Metal. Next, combine Metal with Wood to create Tools. Once you have Tools, combine them with Stone to create a Building. Finally, combine the Building with Fire to create a Lighthouse. This combination unlocks the Lighthouse, allowing you to progress further in the game. Remember to experiment with different combinations and use hints if you get stuck. Patience and persistence are key to discovering new elements and advancing through the game.