| Achievement | How to unlock
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| 100 Kills! | Defeat a total of 100 enemies.
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| 1000 Kills! | Defeat a total of 1,000 enemies.
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| 10000 Kills! | Defeat a total of 10,000 enemies.
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| 5000 Kills! | Defeat a total of 5,000 enemies.
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| Across the River | Defeat all Charons and then clear any mission.
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| All-New Kicks | Obtain shoes for the first time.
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| Belligerent School Girl | Unknown.
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| Boss Nasty | Clear a Boss mission for the first time.
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| Chapter 1 Complete | Unknown.
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| Chapter 2 Complete | Unknown.
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| Chapter 3 Complete | Unknown.
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| Chapter 4 Complete | Unknown.
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| Chapter 5 Complete | Unknown.
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| Clairvoyant School Girl | Unknown.
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| Club Action | Use a Club Attack for the first time.
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| Club Action Rush | Use a Club Attack 10 times in a single mission.
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| Cowardly School Girl | Unknown.
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| Dauntless School Girl | Unknown.
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| Demonic Scream | Unknown.
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| End of the Nightmare | Unknown.
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| Fare, Please. | Defeat Charon for the first time and then clear a mission.
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| It's A Trap! | Use an Underwear Trap for the first time.
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| Legendary School Girl | Obtain Rank SSS in all offline missions on all difficulty settings.
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| Made It! | Clear a Destination mission for the first time.
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| Mission Accomplished | Clear a mission for the first time.
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| Mission Complete | Unknown.
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| New Pew Pew For You | Obtain a new weapon for the first time.
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| Nurse School Girl | Unknown.
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| Outfitter | Obtain all oufits.
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| School Girl/Zombie Hunter | You achieved everything!
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| Shoes Make the Woman | Obtain all shoes.
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| Special Delivery! | Clear a Fetch mission for the first time.
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| Take It All Off! | Undress 3 people during a single mission.
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| Take It Off! | Undress for the first time.
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| The Ferryman Cometh | Defeat all Charons in one mission, then clear the mission.
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| Their Special Place | Attack a zombie's weak point for the first time.
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| Undead Outfitter | Obtain an oufit for the first time.
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| We Did Survive | Clear a Timed Survival mission for the first time.
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| Weapon Collector | Obtain 50% of all weapons.
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| Weapon Master | Obtain all weapons.
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| Zombies Hunted | Unknown
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