How do I combine Alien and Human in Doodle God?

To combine Alien and Human in Doodle God, you need to follow a specific sequence of steps to unlock the required elements. First, ensure you have both the Alien and Human elements available. If you don't have them yet, here's how to get them. Start by creating Life, which is a basic element. Combine Life with Earth to create Human. For Alien, you need to unlock the Space category. To do this, combine Air and Fire to create Energy, then combine Energy with Earth to create Lava. Next, combine Lava with Air to create Stone, and Stone with Fire to create Metal. Combine Metal with Energy to create Electricity, and Electricity with Stone to create Silicon. Finally, combine Silicon with Electricity to create Computer, and Computer with Human to create Cyborg. Once you have Cyborg, combine it with Life to create Alien. Now that you have both Alien and Human, simply combine them to create Hybrid. This combination is part of the game's progression and unlocks new possibilities in the Space and Human categories. Experimenting with these steps and paying attention to logical connections between elements will help you advance further in the game.