Mad Sand is a game taking augmented reality gaming to a new level, allowing you to shape a digital world in real time through a physical sandbox. The game is an asymmetric cooperative game, where one player (“the Sandmaker") shapes the sand landscape to help the other player (“the Penguin”) to collect sweets. Sweets can appear floating high up in the sky or deep beneath the earth, thus the Sandmaker must change the landscape so that the Penguin successfully can grab the sweets. To help the Sandmaker see what's going on an augmented reality experience is also provided through a projection of the game world onto the sand. The goal of this project is to show the potential of how advanced interaction can combine the digital world with the real world. Interesting uses could include map making for games or sculpting of 3d digital objects, or even training simulations for archaeology. Mad Sand is a project within the course Advanced Graphics and Interaction 2015 at at the Royal Institute of Technology (KTH), in Stockholm Sweden.