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As in the good professor's previous outing, unravelling the case is a matter of solving hundreds of delightful brain teasers which you discover by wandering around its charming, hand-drawn scenery and prodding things with the DS stylus. Get a puzzle right and you earn Picarats, which are points you can exchange to unlock secrets and mini-games.
Possibly even smoother than the original Professor Layton game, this features more voice acting and puzzles that seem a bit easier, although that could just be down to working through so many of them over the past year. Gentle, thoughtful and with a sense of humour that carries the lightest touch.
• Nintendo, £34.99