Graphics
The game takes place in an Underwater Environment. Because
of this, graphical flaws that would be noticeable in most
games are pretty easy to cover up. You can move your sub in
any direction, since all areas are fully 3D. The underwater
effect is actually really good, especially considering that
this is a fairly old PlayStation game. Being able to move
anywhere at anytime is a nice change from some games where
you are limited to moving on one direction. 

The subs themselves aren't that detailed, but the weapon
fire certainly is. This is also a problem with that, though. 
When there are up to 5 subs attacking one another at the
same time, weapons are going in every which direction, and
it's easy to get disoriented. The weapons are so flashy,
graphically, that it sometimes difficult to see what's 
happening if there are a lot of other subs around. There are
some other minor graphical problems as well, but most of
them can be overlooked. 

Game Play
There are 10 areas in the game. You are not able to access
them all until you play the game on the Medium or Hard
Difficulty levels, though. When the game begins, you must
choose a Submarine that you will be using thoughout the
entire game. Each sub has advantages and disadvantages. All
of the subs use the same weapons. These weapons are
scattered about each level. You can only carry a certain
number of weapons at a time, so you need to be careful that
you don't waste them. When you get close enough to an enemy
sub, you automatically lock onto it, making fighting easy. 
But remember, if you're close enough to attack a sub, they
are also close enough to attack you. In case of emergency,
there is also a weak missile weapon, but it doesn't lock
onto enemies, and is difficult to use on anything that
moves. Each sub also has it's own 's pecial Weapon' that is
unique to it. Each sub also has a shield that works off of
it's energy. It can block enemy fire, or reflect it back. 
Reflecting it drains even more power than blocking. In order
to use the sheld well, you need to wait until an enemy
weapon is just about ready to hit you, or else you will
waste too much energy. 

The purpose of the game is to get 5 Energy Pods and get to
the portal without getting destroyed, and without any of the
other subs doing the same thing before you. You can get Pods
from other Subs by destroying them, or by using a special
'shaker' weapon on them. In addition to needing them to
finish each level, the Pods also enhance the various aspects
of your Sub. For example, one pod increases your attack
power, and one increases your Defense. The more Pods a Sub
has, the more powerful it is, and the more difficult to
destroy. After you get all of the pods, you can bet that
every enemy sub is going to hunt you down and try to destroy
you. You need to get to the exit portal as fast as possible
at this point. The game's story isn't very interesting or
important, and really isn't worth mentioning in this review. 
It's pretty simple, and doesn't effect Game Play at all. 

In addition to the main game mentioned above, there is also
a Death Match game, where getting the pods is not an issue,
and you simply must destroy all of your enemies. There is
also a 2 Player mode, which I have't had the opportnity to try. 

When I first played this game, I used the Standard
PlayStation Controller. Since the game is fairly old, I
didn't expect it to work with the Analog controllers. I
checked the box to make sure, and there was no mention of it
being compatible. But one day, I happened to try it, and as
it turns out, it actually works. The left analog stick
controls direction, and the right stick controls speed. 
After you get used to it, it's more precise than using the D-Pad. 

Music
The music fits the mood of the game very well. It's not
distracting, and I like most of it. The sound effects from
weapons are pretty good, too. 

Final Thoughts
I didn't pay much for this game, and I got a decent amount
of enjoyment out of it. I doubt that most people will enjoy
it as much as I did, and so I can't recommend paying full
price for it. But if you ever find it on sale used for a few
dollars, it's probably worth it. It's great for passing time
when you don't have any other games to play. 

Overall: 7 out of 10