GAMEPLAY
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    A few of the weapons and powerups have been altered:

Fist
    Attack speed is slightly increased, both with and without berserk
    strength.

Chainsaw
    Now three times as powerful as before, the Chainsaw also drives the
    wielder ahead whenever it is used.

Pistol
    The pistol is now more accurate and twice as powerful as before, making
    it a viable weapon in a pinch, although not ideal.

Minigun
    Accuracy is greatly reduced, making the minigun more of a close-range
    weapon. It also takes a moment to get up to speed, so the initial shots
    are slower, albeit more accurate.

Rocketlauncher
    In addition to their explosive effect, rockets leave a deadly patch of
    flames for anyone foolish enough to remain in the area. These flames
    can injur the firer as well, so beware!

Grenadelauncher
    In addition to their explosive effect, grenades explode into a spray of
    shrapnel that can bounce around a room. Unlike the rockets' fire, this
    shrapnel does not harm the shooter.

Freezerifle
    This new weapon is similar to a plasmarifle, but fires slower for more
    damage per shot. It will freeze anything in its arc, but look out for
    ice-resistant enemies!

Cryo-railblaster (Railgun replacement)
    The railblaster is a powerful single-shot gun firing frozen slugs that
    penetrate multiple targets with ease. The first target in each slug's
    path will also suffer an icy detonation. The slug will pierce armor
    unaffected; the explosion will not. You can fire the railblaster at the
    ground to "railjump," but be careful not to freeze yourself!

BFG9000
    The BFG is mostly unchanged, but the projectile leaves tiny explosions
    in its wake. They're probably not enough to kill anything, but they
    will wear you down if you run forwards while firing.

BFG10k
    The 10k's rate of fire is reduced, and its hitscan was changed to a
    projectile. Each shot eats twenty cells instead of five.

Berserk pack
    Once you switch to fist, you'll run 20% faster and jump twice as high.
    Picking up berserk won't automatically switch to fist, though.

Fury
    ???

Bite
    ???

Firebreath
    ???

    Additionally, all weapons switch twice as fast, unless the server has
the "sv_cemp_nofastswitch" CVar set.