Harvesting resources and gathering supplies are key components of Once Human. Without enough supplies to your name, it’s easy to find yourself struggling to keep up against enemies, and the Solar Auto Drill is a helpful tool to make your life easier.

The Solar Auto Drill is a schematic you can unlock by progressing through the game, but it requires you to go down a specific path. If you can’t figure out how to unlock it, you might feel like you’re missing out on a quality-of-life improvement, even if you’re still dealing with difficult servers. Because this schematic is easily missed in Once Human, here’s what you need to know about how to get it and how it works.