For a visual guide, the RetroAchievements community tracks 100% completion milestones, and full video walkthroughs are available on YouTube to help find any hidden Kikurians.
Are you playing the version or the Game Boy Color version, as the level layouts differ between the two? Hugo: Black Diamond Fever (2001) - MobyGames Hugo: Black Diamond Fever
The adventure takes Hugo through several distinct environments across Jungle Island: For a visual guide, the RetroAchievements community tracks
: The underground mines where the Kikurians are enslaved. For a visual guide