Skulls or Tails is a single-player role-playing, strategy, simulation, roguelike, sandbox/physics sim, deckbuilder, tabletop adaptation, and card-battler game in which players build their coin collection and influence outcomes through physics-based coin landings. In this game, set in a fantasy world, players navigate through procedurally generated environments, making strategic decisions and managing resources to progress and survive. It stands out with its unique coin-based mechanics where physics determines the effect of each coin landing, creating a blend of chance and skill, and offering a dynamic gameplay experience that emphasizes unpredictability and strategic planning.