There is a decent portion of geek humour as well, but it does not detract from the general serious tone of the series. (metacritic.com)
«Arrow» pilot director David Nutter; writers Marc Guggenheim and Andrew Kreisberg; and stars Stephen Amell and Katie Cassidy spoke with CBR about the pilot and development of the show, specifically the darker and more realistic tone of the series. (cbr.com)
In «Mockingjay» there are no games, but it has the most serious and darkest tone of the series. (lights-camera-jackson.com)