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K.O. Knock out an Estuary.

Metahuman Perform every special move of every character

Come Out of the Cold Perform 3 ice wall takedowns

You are recognized as Rank 24 on the UAA temporary Rankings Defeated "Matt Helms"

Destruction Derby Wreck 24 cars from the comfort of your own vehicle

Beyond Limitless Potential Further upgrade the abilities of the P-Organ.

A Quixotic Substance Defeat the Max Slimer -- Harmony of Dissonance

Prodigal Murderer Defeat Mistral without taking any damage on Hard difficulty or above.

Friends Like These Accidentally shoot your friend

Back to the Labyrinth Defeat the Minotaur -- Harmony of Dissonance

Determined Do-gooder Complete Act 2 on any difficulty level

Fabulous Feline Fury Defeat Black Cat on any difficulty level

Disobedient Dad Don't make me turn this story around!

Capo Di tutti Capi Complete the game on impossible mode

The Chill in the Air Complete the Crime Alley AR Challenge unharmed as Batman, Robin and Nightwing.

Mavericks After All Complete Zero's story in Mega Man X4.

Touchdown Enact Revenge on Übercommander Metze

Underground Subway Discover all 30 Teleporting Outhouses

Take Back The Knight Kill Lord Von Prong

Convict Spend three days in prison.

The Full Moon of Demise Watch the ending -- Circle of the Moon

Complete Data Diviner Analyze all Data Modules

Gunslinger Survive the river level using only your magnum

Man In The Hole Complete 6 Spelunker Quests

Naval Blazing Clear 20 naval mines in one playthrough

Fully Charged Obtain the EX Item, and have max. lives, energy, weapon energy, and full Sub Tanks in Mega Man X4.

The First Seal Seal Mausoleum of the Ruins: Helgal-Ryugola 238. A necessary act to bring peace to the new world.

Hawkeye Complete The Pen and the Sword as Silent Assassin.

Extermination Destroy all 3 Queen Greems

Barrage Complete "Barrage" challenge

Unholy Water Defeat the Giant Merman -- Harmony of Dissonance

You are recognized as Rank 3 on the UAA Ranking. Defeated Rank 3: "Speed Buster"

Pew Pew Fire fully-charged shots using all of X's weapons in a single playthrough of Mega Man X4.

Tragic Destiny Complete Mega Man X4 (cannot be earned in Rookie Hunter mode).

An Eye for an Eye Defeat Peeping Big -- Harmony of Dissonance

For We Are Many Defeat Legion (saint) -- Harmony of Dissonance

Paint the Town Red Find all Activist tags in Cold, Cold Heart

Harper? I Barely Know Her! Kill 50 enemies with Harpers glob shot.
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Joja Co. Member Of The Year Become a Joja Co. member and purchase all the community development perks.

Mighty Monster Master Retrieve all three DNA Samples from the knocked-out Atrocity

That's a Two-fer Find the hidden item boxes at the end of the Zone

Non-Cannonical Fire at the secondary target with the cannon

Anguished Guardian Kill the Anguished Guardian of the Ruins.

EXTRA: XIX - Heir of Fate Survive 15 min in Inverse Boss Rash with Random Events and Random Level Ups.

All's Well That Ends Well Finish the game (with a heartfelt "thank you!" from Larian Studios).

Good Week! Get yourself selected in the Team of the Week in Career Mode

Maybe Wax Doesn't Melt Reach the Sun with Icarus' Wings.

Speedy and Angry Achieve ANY rank on ONE Street Showdown side mission

Honor and Revenge Kill the Leader of the Bastards and the Leader of the Sweepers.

Ten Pin Master Mastered 10 types of pins.