Now think about how long games with dull level design keep your interest. (gamerstemple.com)
Everything else in Syndrome, be it sloppy and poorly refined game mechanics, dull level design, or terrible voice acting, goes wrong and, in some cases, horribly wrong. (darkstation.com)
A handful of fresh ideas is drowned out by dull level design and omnipresent stereotype. (metacritic.com)