MightyMostert

Maniac Get an S-Rank on all stages on Hard difficulty or higher.

Rock, Paper, Plasma In Voyage of Despair, kill 9 zombies via Catalytic Detonations in a single game

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Finger on the pulse Upgrade OSB Pulse Wave

That's One Way to Do It... Destroy an airborne enemy helicopter with a Mortar Strike

No Mo' Modi Get out of jail, but not for free

Annihilation Get 100 Elite Zombie Eliminations in Zombies

King of Bling Earn ALL of the Clear Gems

Convoy Overtake 12 trucks in a row without crashing in a Survival event.

Muppet Mastery Complete The Muppet pack's story

Helping Out Complete 50 missions

Engine Malfunction Arcade - Complete a wave without moving or dying

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

Comeback Kid Win after being down 3 goals in the 2nd half in a game vs. the CPU

That New Car Smell Buy a car.

Respect for the dead Plundered all four resting places

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

The Pitcher Complete "The Pitcher" challenge

Trophy Triumphant Acquire all trophies.

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

End Game Complete the final mission

Going Up… In The Darkest Shore, unlock the Ubersprengen.

Straw Purchase Gift a Mystery Box Wonder Weapon to a teammate and have them accept it

Pro Achieve a podium in the Pro final

Song of Kxanìa Taw Secure the song in Kxanìa Taw.

Close Encounters Survival - Survive 45 seconds without shooting or using bombs

Sky Runner Unlock Titan Sky

SKY SANCTUARY Restored! Restore the SKY SANCTUARY Stage Gate.
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Supernova Earn every star in Team Adventure Mode Chapter 7.

Bleeding Knuckles Reach a lifetime score of 5,000,000.

Day 3 Mastered Complete all Day 3 challenges at gold level

Choke on that Kill Groeder – Kill him for good

Through the Fire and Flames Seek out and aid the lone knight in his fight against the dragons

Celestial Earn every star in Team Adventure Mode Chapter 6.

Drone Joust Defeat an Agent riding an Agency drone while riding an Agency drone yourself

Iron ROM Play through the game in a single session and never use a load or continue.

Master of Inner Peace Win 5 Master of Inner Peace Matches

Without a Trace Barrel through the lava, don't let anything stop you

Played with fire Defeated the Keeper after changing his initial magic school to the fire type

Fearless Overtake 5 trucks in a row during Sudden Death in a Survival event.

Easy Walk Complete game at Normal difficulty

Tip-Top Ten Pin Complete all 4 bowling lanes

Catalog Conqueror STU: Complete all nekomata jobs in "The Spider's Thread" mode.

Overachiever Watch the 100% bonus ending

Rough Rider Destroy 15 vehicles during a single challenge

Constellation Prize In IX, kill 9 zombies with a single uncharged shot from the Death of Orion

Stealing is wrong, kids! Take out 10 Scavengers

It's Customary Drag and Drop a Custom Color into the Palette Wheel

Dark Awakening Complete Dark Energon on any difficulty.

Worm Tangle Destroy 3 Worms in sequence on The Ooze.