Submachine 5

Submachine 5 is the fifth episode in the free online adventure game series, where players explore the first submachine ever built in the early 20th century. This installment takes us back to the historical roots of the submachine series, allowing us to discover the origins and mysteries of this intriguing invention. With its unique puzzles and atmospheric setting, Submachine 5 offers an engaging and immersive experience for adventure game enthusiasts.