Since prehistory, humans have used a range of psychedelic drugs for communion with the gods, connection with nature, or for the pure pleasure and wonder they generate as they transform the mind and the world. But one natural psychedelic in particular towers above the rest in its astonishing power to replace the normal waking world with a bizarre alternate reality replete with a diverse panoply of intelligent alien beings. As well as being the most powerful, N,N-dimethyltryptamine, more commonly known as DMT, is also the most common naturally-occurring psychedelic and can be found in countless plant species scattered across the Earth. DMT carries a profound message embedded in our reality, a message that we are now beginning to decode. In Alien Information Theory, neurobiologist, chemist, and pharmacologist, Dr. Andrew R. Gallimore, explains how DMT provides the secret to the very structure of our reality, and how our Universe can be likened to a cosmic game that we now find ourselves playing. Gallimore explains how our reality was constructed using a fundamental code which generated our Universe - and countless others - as a digital device built from pure information with the purpose of enabling conscious intelligences, such as ourselves, to emerge. You will learn how fundamental digital information self-organises and complexifies to generate the myriad complex forms and organisms that fill our world; how your brain constructs your subjective world and how psychedelic drugs alter the structure of this world; how DMT switches the reality channel by allowing the brain to access information from normally hidden orthogonal dimensions of reality. And, finally, you will learn how DMT provides the secret to exiting our Universe permanently - to complete the cosmic game and to become interdimensional citizens of hyperspace. Alien Information Theory is a unique account of this hidden structure of reality and our place within it, drawing on a diverse range of disciplines -- including neuroscience, computer science, physics, and pharmacology -- to carefully explain these complex ideas, which are illustrated with full-colour diagrams throughout.