This is a show about videogames, the people who play them and the people who make them. Each week, a guest on the show talks about the games that have shaped their life in one way or another. Games that have inspired them, games that forged connections with others and games that have soothed wounds. Checkpoints!

Episode 4: Mark Sorrell started his career in gaming working for late night TV call in show Quiz TV and now works as a a consultant and advisor on fremium game design, behavioural change, value perception and strategy. We talk about Superman on the Atari VCS, behavioural psychology, World of Warcraft and why Final Fantasy XII is not only the best Final Fantasy but one of the greatest videogames of all time.

Cover design: Craig Stevenson - http://onedinosaurandhisballoon.blogspot.co.uk

Music: Samuel Baker - http://soundcloud.com/furoshiki

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