Commander Keen in Aliens Ate My Baby Sitter!

In "Commander Keen in Aliens Ate My Baby Sitter!", players control Billy, who transforms into the titular Commander Keen, as they attempt to rescue their babysitter from hungry aliens in a homemade rocket. The game features side-scrolling platformer levels filled with puzzles, enemies, and power-ups. Players must navigate through diverse environments and complete their mission before dinnertime to avoid parental repercussions.