This 2008 puzzle-adventure, originally for Nintendo DS, blends point-and-click exploration with a deep narrative involving time travel and a mystery in a changed London. You progress by interacting with characters and searching environments to find and solve hundreds of logic, math, and visual brainteasers. Success earns Picarats; incorrect answers reduce potential rewards. Players can spend hint coins for clues, including a "super hint." The game features extensive full-motion video and allows revisiting unsolved puzzles after story completion, having received one remaster since its debut.
The adventure begins when a demonstration of a revolutionary time machine goes disastrously wrong, leading to the disappearance of its inventor and the Prime Minister. Shortly thereafter, the protagonists receive a mysterious letter seemingly sent from ten years in the future. This correspondence propels the duo into a dramatically altered, quasi-steam punk version of London, where they encounter a future version of a key companion and learn that the celebrated professor has taken a dark turn in this timeline. The narrative involves time travel, personal history, and uncovering the truth behind the temporal disruption.
Gameplay revolves around exploration and puzzle-solving. Players interact with the world using the DS touchscreen to select points of interest. Every citizen encountered often holds a puzzle, ranging from simple riddles to complex spatial challenges. Successfully solving these brainteasers rewards the player with "Picarats," the in-game measure of achievement. A key feature is the hint system: players can spend "hint coins" found hidden within the scenery to receive up to three progressive clues for any difficult puzzle. For the most challenging problems, a "super hint" option is available, costing more coins but offering a near-solution.
The game distinguishes itself by offering a large volume of puzzles—over 150 core challenges—that can be revisited even after the main story concludes. Furthermore, players can return to specific locations to tackle any puzzles they missed during the initial exploration. The game features approximately 32 minutes of high-quality, full-motion video sequences that enhance the cinematic quality of the unfolding mystery.
As a main title, this game does not feature any downloadable content (DLC) or separate expansions. It has received one remaster, updating the experience for modern platforms since its original 2008 debut.
While there is no explicit time limit imposed on solving the puzzles, the system of Picarats encourages players to strive for accuracy. Incorrect guesses on a puzzle reduce the maximum Picarats obtainable upon eventual success, adding a layer of personal challenge for those aiming for perfection.
It contains: Violence that is set in a cartoon, slapstick or child like setting that could be upsetting to very young children - Violence that is not shown but is implied