Obby: King of the Hill is a thrilling online multiplayer adventure where players climb a mystical mountain, battle rivals, and compete to claim the summit. Use strategy, timing, and power-ups to maintain dominance. Playable for free on phone and computer, this action-packed game combines agility, combat, and tactical positioning for an exhilarating climb to the top. Enjoy playing this action defense game only here at Y8.com!