Embark on an exciting subterranean quest in Drill Odyssey! Master your drill, upgrade its power, and navigate through challenging layers of the planet's crust. Collect treasures, dodge lurking adversaries, and experience the thrill of breaking through to the unknown depths. Can you dig your way to the other side? Drill Odyssey, mining, deep-level mining, underground adventure, treasure, adventure game, portrait mode, underground exploration, resource collection, underground challenges, mobile mining, unique gameplay