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Perfected: Metal Slug 2 Beat Metal Slug 2 with 5 or fewer continues.

Friends Forever In The Beast From Beyond, fully restore N31L.

Rock and Stone! You killed an enemy with a boulder dropped from the battlements. Karl would be proud!

BOOM! TETRIS! Earn 500 Tetris Line Clears.
0/500

Meister [Combo] Solved 100 problems.

Image Training [Replay] Viewed at least 5 replays.

To the Rescue: Metal Slug 4 Rescue at least 10 prisoners in one Metal Slug 4 mission.

Treasure Hunter Collect every bit of treasure in Ancient Dangers: A Bat's Tale

End of the Line Clear 10,000 Lines.
0/10000

Perfected: Metal Slug X Beat Metal Slug X with 5 or fewer continues.

To the Rescue: Metal Slug 5 Rescue at least 10 prisoners in one Metal Slug 5 mission.

Gaea's Champion Complete all episodes in Part IV with an S rank on Hard.

Soul-Less In Attack of the Radioactive Thing, recover the piece of the Soul Key.

Coin-Op In Shaolin Shuffle, complete Skullbuster.

Go Team Go Sortied 20 times in Team Death Matches.

The Dragon Defeat "The Dragon" during Winterfest

Nick of Time Evacuate a soldier whose bleed-out timer is still running

Nimble Fingers You picked the hardest lock.

Fight the way you practice Clear an arena challenge with the Custom Mode enabled.

Gold Mine Discover a land of golden Tetriminos.

Can't Touch This Win a Ranked 1v1 game without losing any lives 3 times.

Don't go with the flow Travel from the island with the tables back up to the lifebouy in At the rapids

Falling with style Make it between the two moose signs in Ashes to ashes without using any directional inputs

Heed the Heroes Read every Fallen Hero note in Ancient Dangers: A Bat's Tale

Perfected: Metal Slug 3 Beat Metal Slug 3 with 5 or fewer continues.

Perfected: Metal Slug 5 Beat Metal Slug 5 with 5 or fewer continues.

Perfected: Metal Slug 4 Beat Metal Slug 4 with 5 or fewer continues.

Collect 'Em All Gotta gacha 'em all

Exterminator In Shaolin Shuffle, defeat the final boss with the special guest.

Mistress of the Dark In Attack of the Radioactive Thing, unlock Elvira.

The End? In The Beast From Beyond, collect the final piece of the Soul Key.

The Path to Passion [Combo] Solved 200 problems.

Speed Master Win all the events in a Speedlist

Knowledge... Is Half the Battle [Training] Trained against 20 or more characters.

The Fratelli Twins Defeat "The Fratelli Twins" during Winterfest

Failed Maintenance In The Beast From Beyond, kill zombies with every trap.

Bronze challenger Earn 3 bronze medals in the Arena

Broken Record In The Beast From Beyond, unlock the hidden song.

A Rebuttal of Fists Complete all missions in Lost Episode 1.

Regular Customer Obtained a total of 100 aircraft, special weapons, and upgrade parts combined.

The world knows who you are Finish all races of Chapter 1: Debut

Professional Hedgehog That elusive perfect run, only a professional can achieve

Valley Red clear Complete all Red Valley maps (Any medal)

Some Assembly Required Transform the Axatana between different modes.

Someone must construct additional beacons Destroy every Secret Beacon in a single world

GT-R Official Record Achieve a time of 7'29.03 on the Nürburgring Nordschleife in a Nissan GT-R '07.
The record must be achieved in a Time Trial in the Arcade mode version of the car with tires of Sports Hard grade or lower equipped.

Lights Out You slit the throat of an enemy who was looking for you.

Book Worm In Shaolin Shuffle, find and collect all bios for AJ, Andre, Poindexter and Sally.

Super Savoyard Defeat "Super Savoyard" during Winterfest

It's in the Blood! Go from being a Player to the Manager (or Player Manager) in Career Mode