Celebrating Commander Keen's 20th anniversary

After 20 years of Commander Keen, we look back at the history of id Software's classic series

In this fifth instalment Keen is fighting the Shikadi aboard the Omegamatic — a giant doomsday device that, according to an in-game poster, "causes a 100,000 light year-diameter quantum explosion!" The brave Commander Keen crusades his way to the Quantum Explosion Dynamo and destroys it.

Image credit: the Commander Keen Wiki at Shikadi.net.

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