Games like Welt der Wunder: Eine Insel in Gefahr

If you finished Welt der Wunder: Eine Insel in Gefahr, the closest matches are The Room 4: Old Sins, Timelapse, Spelunx and the Caves of Mr. Seudo, Physicus: Save the World with Science! and Cluefinders: Math Adventures - Mystery of the Himalayas. All 10 share its adventure genre and are ranked by how closely their themes and modes overlap.