As you progress through more difficult terrains, you can "evolve" your sentinels using gold coins found in underground mines to keep their efficiency high.
In the PC game , a great new feature to add would be Genetic Bio-Mining Labs . AstroMiner Download PC Game
Act as mobile chests to increase your backpack capacity on the fly. As you progress through more difficult terrains, you
Automatically melt through tougher terrain obstacles. AstroMiner Download PC Game
This feature would deepen the currently "rudimentary" gameplay by giving you a strategic reason to hunt for specific fossils and minerals beyond just selling them for cash. Astrominer on Steam