With a rich environment, challenging boss battles and a soundtrack to suit the situation, any fan of the 2D shooter genre should absolutely not miss this. (ab-gaming.com)
The alternate paths within missions also offer great replay value but there is a lack of challenging boss fights. (metacritic.com)
Firstly, the overarching storyline is disappointing: a boring and derivative tale that lacks interesting characters, decent pacing, challenging boss encounters or anything remotely memorable. (dealspwn.com)