8Doors: Arums Afterlife Adventure is a Metroidvania-style 2D action platformer set within the intriguing realm of the Korean afterlife. Players assume the role of Arum, who embarks on a perilous journey through eight distinct areas of purgatory to uncover the truth behind her father's mysterious death and the chaos engulfing her village. The game combines exploration and combat, requiring players to navigate various obstacles while battling over 36 types of specters and 21 unique boss specters.

The gameplay emphasizes growth and skill development, allowing players to acquire abilities, passive skills, and seven different weapons as they progress. The visual style employs a minimalist palette of only black, white, and red, with hand-drawn 2D animations that enhance the overall aesthetic. Drawing on Korean folklore, 8Doors offers an engaging narrative that immerses players in a captivating afterlife experience filled with challenges and rich storytelling.