Become an apprentice of the famous Leonardo da Vinci. Solve handcrafted mechanical 3D puzzles and discover hidden secrets. Navigate through mesmerizing environments of the Italian Renaissance. Travel through time to influence your surroundings. Features ORIGINAL MECHANICAL PUZZLESGet your hands on hundreds of new objects, 3D puzzles and mechanical brain-twisters waiting to be unraveled. TIME TRAVELGo back in time not only to reveal past mysteries and hidden objects – use unique Oculus Perpetua to shape the present in a significant way. NEW CONTROLSNavigate through mesmerizing locations even more intuitively. All game controls have been redesigned and optimized to feel as intuitive as it gets. VOICE NARRATED STORYA pleasure for all senses: the whole story is now fully narrated. The goose bumps are inevitable. MYSTERIOUS CUT SCENESIncluding the one showing Leonardo da Vinci's creation of the famous The Last Supper.

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "MY GAMES" tab and start downloading.