20000 Cogs under the Sea

Start your awesome underwater steampunk adventure. Build underwater factory, connect the cogwheels for the most efficient work in the idle game mode. Tap volcanoes for oxygen, drill the seabed and mine the ore. Employ octopuses and whales, explore the world with mechanical crabs, fish and submarines! Even the squirrels will help you, if you supply them with oxygen. Upgrade your incredible contrap…