A software 'revolution' with serious games
5 August 2013 Last updated at 09:05 BST
Serious video games can address issues as varied as the Middle East conflict through to sexual coercion among teenagers. But can they really directly affect the issues they cover?
Marc Cieslak looks at the game 1979, created by a developer of games like Grand Theft Auto III, and its depiction of the 1979 Iranian Revolution.
The programme was first broadcast on Saturday 3 August 2013.