Join the notorious spy Mata Hari as she tries to uncover a secret German submarine base. Can you help her mission succeed?Join the ultimate femme fatale.Join the notorious World War I spy Mata Hari as she uncovers a secret German submarine base in Secret Missions: Mata Hari and the Kaiser`s Submarines , a beguiling Puzzle Adventure. Help this smoldering femme fatale search for clues, solve enigmatic puzzles, seduce men, and infiltrate top secret military operations, all in glamorous disguise. The Allied war effort depends on Mata Hari`s ability to extract secrets and stay undetected. Can you ensure her mission succeeds?