Zamborin Fathom

Dig anywhere in a drowned world of clay, but only light things rise. Your submarine obeys one law: heavy things sink and light things rise. There is no engine that lifts you. Hold a thumb on the screen and drag: down floods the tanks and sinks, up blows them and lifts, sideways thrusts. Push against rock and the drill cuts it away. EVERY KILO COUNTS The hull gives you exactly 300 kg of lift, and every piece you dig comes out of that same 300. Half a hold climbs at half speed. A full hold does not climb at all, and the shaft you dug greedily becomes one you cannot float back up. DROP CARGO always sheds your heaviest piece, so you are never stuck for good. THE DEEPER, THE RICHER Near the surface the rock gives up iron and copper: heavy and cheap. Deeper come tungsten and silver, then gold and platinum, and at the very bottom neodymium, each worth far more by the kilogram. Emeralds, rubies…