Commander Keen in Goodbye, Galaxy

Commander Keen in Goodbye, Galaxy!, released in 1991 by Apogee Software, is a vibrant and humorous platformer that follows the adventures of Billy Blaze, an eight-year-old genius who dons the persona of Commander Keen to save the galaxy. This two-part installment—comprising Secret of the Oracle and The Armageddon Machine—continues the series’ mix of lighthearted storytelling, challenging gameplay, and colorful visuals.

Players navigate sprawling levels filled with traps, enemies, and hidden secrets, using Keen's trusty pogo stick and neural stunner to overcome obstacles and foes. With a focus on exploration, puzzles, and precise platforming, the game delivers an engaging and accessible experience for players of all skill levels.

Goodbye, Galaxy! is celebrated for its smooth animation, whimsical humor, and memorable alien worlds, including the hostile Shadowlands and the mechanical Omegamatic. As a cornerstone of early PC gaming, the Commander Keen series, and especially Goodbye, Galaxy!, remains a beloved classic, embodying the charm and creativity of the shareware era.