No, MUNCH chocolate is not dark chocolate.
Based on available descriptions, MUNCH chocolate is characterized as a "light treat," emphasizing a multi-sensorial experience. This suggests it's more likely to be milk chocolate or a chocolate confection with other ingredients that lighten the overall flavor profile. Dark chocolate is typically defined by a higher percentage of cocoa solids and a less sweet, more bitter taste, which contrasts with the "light" description associated with MUNCH.