Flash Game California Gold Rush Description: Explore mines full of unexpected twists! On the hunt for gold, artifacts and gems take care to avoid collapses, cave bats and other dangers. Greedy? Find even more gold with store-bought supplies like maps, supports and explosives. California Gold Rush Game Instructions: Use the arrow keys or mouse to dig to a desired direction. Use equipment by selecting one from the list on the right and use it by clicking on it again.