Most of scientific literature on computer games aimed at offering or aiding in psychotherapy has little information on how the game exactly relates to the relatively recent development of the ‘third wave’ of behavioural psychotherapy, which includes metacognition. This paper first introduces metacognition and subsequently studies five cases of psychotherapeutic games (Personal Investigator, Treasure Hunt, Ricky and the Spider, Moodbot and SuperBetter) by looking at them through the lens of Blooms’ Revised Taxonomy of Knowledge. The paper offers design recommendations for future (metacognitive) psychotherapeutic games.