Fond memories of playing the shit out of this as a kid. Nothing too groundbreaking but the submarine theming does make it stand out among a sea of aerospace shooters. Spritework is really nice too, as expected of the team behind Metal Slug. I like that the PS version had alternate soundtracks available but the originals are almost all better.

The graphics are awesome and I appreciate a Shmup that doesn't involve flying. There's no reason you have to be airborn for a shmup to work and this game proves that. The gameplay is middle of the road though. There's some cool boss fights but that's kind of it - there's not even power ups. If this game was longer I think it'd get tiring but there's only a couple levels.