Buy Commander Keen PC

Play as Billy Blaze, the eight-year-old genius who becomes Commander Keen to defend Earth from danger. Don a football helmet, hop into a homemade interstellar spaceship, and tackle threats across multiple episodes. This groundbreaking side-scrolling action game launches with Marooned on Mars, followed by The Earth Explodes, Keen Must Die!, Secret of the Oracle, and The Armageddon Machine. Grab your pogo stick and neural stunner to battle deadly hazards and devious creatures in places like the Shadowlands. Blast off in the Megarocket to stop galactic obliteration and avoid becoming space toast. Young players who enjoy fast-paced side-scrolling action will find a perfect fit in these classic adventures.

Commander Keen: Invasion of the Vorticons:

• Episode 1: Marooned on Mars (Dec. 14th 1990)
  
• Episode 2: The Earth Explodes (1991)
  
• Episode 3: Keen Must Die! (1991)

Commander Keen's very first adventure, and the debut of id's groundbreaking side-scrolling technology. In the game you play the role of Commander Keen: the alter-ego of an eight year-old genius by the name of Billy Blaze. When Billy learns that the Earth is in danger, he dons his brother's football helmet and his homemade interstellar spaceship to become Commander Keen -- Defender of the Earth!

Commander Keen in Goodbye Galaxy!:

• Episode 4: Secret of the Oracle (1991)
  
• Episode 5: The Armageddon Machine (1991)

You are eight-year-old Billy Blaze, boy genius to your neighborhood. Commander Keen to the rest of the universe. It's time to grab your trusty pogo stick and neural stunner, climb into the cockpit of your homemade Megarocket and blast off for the Shadowlands. To prevent the obliteration of life as we know it, you'll have to battle your way past deadly hazards and devious creatures, or end up as space toast.