You’re riding a cart through an endless cave. Use your mine gun to gather resources, you’ll need them to destroy the obstacles on your way and survive. Make sure you aim well, even one last bullet can save you and let you combo your way to hundreds of ammo again.Level up during your run by collecting EXP crystals, then choose perks that shift how your build plays. Reroll choices, stack synergies, and discover surprising new builds with each descent. Choose among run saving utilities, new types of crystals, active abilities, and don’t forget to upgrade your gun!Explore stylized stages as you travel deeper underground through the procedurally generated tunnels: icy caverns, glowing mushroom groves, volcanic chambers, and more. On the way, you will meet the cave’s inhabitants – cute but annoying animals who will try to get in your way. Watch out, there’s snakes on the ceiling!Use the gold you’ve mined to unlock nodes in a massive upgrade tree filled with new perks, different guns, gun cosmetics, and permanent upgrades. Experiment, refine your playstyle, and unlock deeper layers of the cave, its systems are waiting to be mastered.