Onni Kustannus

Onni Kustannus is a well-loved Finnish puzzle brand, founded in 2008, and is now the largest Braintainment publisher in Finland. With a portfolio of 20 monthly and bi-monthly puzzle magazines, along with seasonal booklets, Onni has become a household name. Bestsellers include ‘100 Ristikkoa,’ ‘Pommin Helppo Ristikkopaketti,’ and ‘Ristikko Pommi’.