Oppatt is an interactive GPS scavenger hunt platform where anyone can create and play location-based treasure hunts. Ideal for families, birthday parties, team-building, tourism, education, and events. Creators set GPS waypoints with multiple-choice or open questions, photos, and videos. The platform supports walking, cycling, skating, boating, and car routes, with automatic difficulty adjustment by age group. Available in Dutch, English, German, French, and Spanish.