Too short, there also appears to be no main objective... lacks quality as well, would be a lot better if there were upgrades availible after every round of destroying the other subs...2/5 at most...
@joedevil, I somewhat agree with you, it could have A badge and it is a good game, but... short? It may be a good 30 minutes or more, but I wouldn't consider that short... 5/5 for gameplay anyways.
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