Commander Keen 3 in 'Keen Must Die' is the fantastic sequel from Keen one and two and is the final episode in this series. Commander Keen has just disabled the Vorticon Mothership and is now making his way to the planet Vorticon VI. The Vorticons are waiting! Here you will face the whole force of the Vorticon army in an attempt to reach the castle of The Grand Intellect where all Keen's beliefs and fears come together in a titantic, shocking finale! Just who is The Grand Intellect and can you stop him before he destroys earth? You won't believe the ending....
