To do hard mode click D on ur keyboard, does not work on mobile endless you have a Bluetooth keyboard or a MagSafe keyboard. Menu Z to start then Z to select a kart X to go back in the menu In Game Press and hold Z to accelerate Arrows keys to steer Use X to activate a power up Press D to toggle high/low resolution. High resolution will be more laggy, and also it well be in hard mode.
Credits to Finlay_cool
