27 achievements for 1000 Gamerscore
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Fully Loaded
Beat a level with 4 players, each playing a main character.
50 Gamerscore
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Walk In The Park
Beat the first level
20 Gamerscore
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Wild Deuce
Beat the second level
25 Gamerscore
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Coupon Clipper
Beat the third level
30 Gamerscore
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Well Done
Beat the fourth level
35 Gamerscore
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Road Warrior
Beat the fifth level
40 Gamerscore
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20 To Life
Beat the sixth level
45 Gamerscore
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Silver Like a Fox
Beat the seventh level
50 Gamerscore
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Buying in Bulk
Beat the eighth level
55 Gamerscore
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Tanking the Horde
Beat the ninth level
60 Gamerscore
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Casablanca
Beat the tenth level
65 Gamerscore
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Road Less Traveled
Beat all the side missions
50 Gamerscore
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Direct Flight
Travel from L.A. to D.C. in under 5 hours and 45 minutes
25 Gamerscore
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For Your Consideration
Earn ZKOTW 12 times
80 Gamerscore
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10 Times The Violence
Fully upgrade Weapon Damage
25 Gamerscore
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10 Times The Bullets
Fully upgrade Weapon Durability
25 Gamerscore
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10 Times The Blood
Fully upgrade Health
25 Gamerscore
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10 Times The Action
Fully upgrade Speed
25 Gamerscore
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10 Times The Amazement
Fully upgrade Special Meter
25 Gamerscore
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Variety Is The Spice Of Life
Earn a kill with every weapon
20 Gamerscore
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They're All The Same Now
Kill one of every zombie
25 Gamerscore
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Innovation & Industry
Gain a kill with every environmental hazard
20 Gamerscore
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Just As Great As The Original
Last 88 minutes in a single Horde Mode
90 Gamerscore
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Was That A Triple Tap?
Kill three zombies with one sniper rifle shot
20 Gamerscore
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Gotta Love The Classics
Kill four zombies with one shotgun blast
20 Gamerscore
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Burn, Baby, Burn
Kill six zombies and light yourself on fire with a single Molotov
20 Gamerscore
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Sweetennial
Collect 100 Twinkies to celebrate 100 years of Hostess!
30 Gamerscore