British prisoners have two ways to earn video game privileges: they can either earn credit for good behavior or, barring that, they can be suicidal.*
Only inmates on the highest level of Incentives and Earned Privileges (IEP) and those at risk of suicide will be allowed to play computer games.
10,000 chimps, 10,000 typewriters
I think I've discovered the geniuses... behind Britain's latest enigmatic wave of social engineering...