There's been numerous complaints about the shotgun and rockets but I have no problem with em. The sniper rifle doesn't bother me either you just need to know how to adjust your playing style for these guns (circle strafing, always keep moving, etc.)
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"It is by the goodness of God that in our country we have those three unspeakably precious things: freedom of speech, freedom of conscience, and the prudence never to practice either of them." - Mark Twain