Hi! To get started, focus on digging for resources to level up your Stamina, Power and Regeneration in the Dojo. These upgrades make a huge difference in your progression.
You should also craft and equip better tools and footwear. Tools help you dig deeper while footwear increases your stamina.
If you're looking for more tips and detailed information, be sure to check out the community wiki. Hope this helps and good luck!