S leepy, happy-sad, and imbued with the mildest peril, Tove Jansson’s Moomin stories may seem an unlikely fit for the action-heavy medium of video games. Rather than embark on swashbuckling adventures, these milk-white, hippo-esque creatures prefer to potter about Moominvalley, only venturing further if the weather conditions are just right. Yet a small Norwegian video game studio, Hyper Games , is now on its second exquisitely charming Jansson adaptation. The first, 2024’s Snufkin: Melody of Moomin Valley, put players in control of the wily free spirit, Snufkin, as he dismantled overly ordered nature parks (and evaded authority-loving wardens). The latest, Moomintroll: Winter’s Warmth, sees young Moomintroll wake up at night in the dead of winter. With his parents still hibernating, the creature is all alone, thrust into a cold and unfamiliar world. On this lonesome journey, Moomintroll must reckon with the idea that his snoozing parents won’t be around for ever.…