Looking back it on it now it's also an example of bad pacing. (gamedesignreviews.com)
It means again, that the levels are badly paced as you can get to a boss in 5 minutes, but then spend 5 - 10 minutes shooting a boring bullet sponge. (gamesrevisited.com)
It's also extremely badly paced with an over long opening and an abrupt conclusion, and it has too many villains, further diluting any sort of emotional pull the climax might have. (comingsoon.net)