This installment, released in December 1990 for DOS, represents the initial chapter of Commander Keen's saga. Players assume the role of Billy Blaze, an eight-year-old genius who transforms into Commander Keen to defend Earth from an alien invasion. Donning his brother's football helmet and piloting a homemade spaceship, he embarks on a mission to protect the planet.

Story and Setting

The narrative places players in the shoes of a young, exceptionally bright protagonist who takes on the mantle of a space-faring hero. The setting is a vibrant, imaginative universe where Earth faces an imminent alien invasion. The atmosphere is characterized by a sense of youthful adventure and the thrill of exploration, as Commander Keen navigates alien worlds and confronts extraterrestrial adversaries.

Core Gameplay Mechanics

This title is a platform game, emphasizing precise movement and environmental navigation. Players will guide Commander Keen through various levels, utilizing his signature pogo stick for jumping and reaching higher areas. The gameplay involves exploring diverse environments, avoiding hazards, and engaging with enemies. The core mechanics revolve around skillful platforming and strategic use of the pogo stick to overcome obstacles and progress through the game's challenges.

What makes this game unique?

A key distinguishing feature of this game is its pioneering use of side-scrolling technology for its time, setting a new standard for the genre. The game introduces Commander Keen, a character who, despite his young age, displays remarkable intellect and bravery. The narrative's focus on a child hero defending Earth provides a unique and engaging premise. The episodic structure allows for a focused narrative progression within this initial outing.

Gameplay Progression and Episode Context

As the first episode in the "Commander Keen: Invasion of the Vorticons" series, this game serves as the starting point for Commander Keen's journey. It establishes the character, his motivation, and the overarching threat of the Vorticons. Players experience the origin story of Commander Keen and witness his initial efforts to thwart the alien invasion. This episode introduces the foundational gameplay elements and narrative threads that will be further developed in subsequent installments.

New Gameplay Elements and Locations

This initial episode introduces players to the core mechanics of Commander Keen's adventures, including the iconic pogo stick. Players will explore a variety of alien landscapes and environments as they work to stop the Vorticon invasion. The levels are designed to test players' platforming skills and introduce them to the game's unique brand of exploration and combat.

Is this a starting point for the series?

Yes, this game is the definitive starting point for the Commander Keen saga. It lays the groundwork for the character and the ongoing conflict with the Vorticons, making it essential for understanding the full narrative arc of the series.