xImpossibility

Tick tick tick boom Keep the air-raid siren going for at least 40 seconds

Pisces A Solved the first Pisces riddle

Amateur Radio Operator Listen to most of the codec conversations.

Demolition Man Kill a frozen enemy by rolling into it

Let's Get Physical Kill an enemy with shield bash

Crack-bang Gain a level in the Sharpshooter tree with your last kill being a Sniper.

See You Next Game Achieve any ending

Arcade Master Complete any Arcade Chapter below the target time (General)

Apostles Have 12 Disciples.

Les Croque Parabolique (Acrobaticus Sycamoria) Thanks to you all of the seed riders made it to the kite festival.

Hoarder Unlock everything in the Archives

Puppeteer of Death Kill Markiona, the Puppeteer of Death.

All Biomed Out Find all the Biomes

Bee yourself Unlock the Killer Bee form

Who Keeps Dropping These? Collect 100 coins

Best Pals The Wake-up Club has been successful 365 times.

Don't leave me! Destroy 10 consecutive Sentinels before they escape in Survival mode

Maximum Payne Story Complete [OLD SCHOOL]

Labrat Liberation Escape through the Fuzzle Testing area.

Search for a Star Locate and focus on 8 of the constellations in one game

Hit 'em Where It Hurts You scored 1000 weakspot hits. Impressive.
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Dubious Challenge Clear Challenge Level 1 in Kaycee's Mod.

Precious Collect 300 Rings In One Run

Homewrecker Frobisher Says: "Figure it out from the title!"

Legendary 1x1 Brick Find the Legendary 1x1 Brick

OVER-Overachiever Watch the 106% bonus ending

Steppin' Up Score 100,000 Points In One Run Using Quick Step

Amazing! Complete 4 levels with the highest rank in Hard mode

Grand Master Complete the full game (Individual)

Part Five Started Part Five

Not Just A Box Get the jump on a Mimic

50 down, I don't know how many to go Complete 50 feats

Cancer A Solved the first Cancer riddle

Not Bitter Got To The Heart Of The Problem

Stepping It Up Survive a Hazard Level 3 mission from start to finish.

Rankings Lover Viewed the Network Rankings 5 times.

Patient Citizen Waited Patiently To See Carla

Trophy Fisher Became A Prize Chum

Scrap Metal Defeat Metal Sonic.

Day Ruiner Kill a boss after covering it with glitter

Light Stroll Make Leonard complete a circuit without falling

Dental Samaritan Gave Stan His Toothbrush

Approved Greenbeard Complete your first assignment.

Faster Than Sound Earn ALL of the platinum Time Trial Relics

Architect Get a brick count of 20 or higher in a puzzle match.

Intimidating Get a Heavy SWAT to give up.

Leo B Solved the second Leo riddle

Feelin' Perky Unlock 10 Perk Nodes.
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Master Marsupial Get EVERY trophy

Knight Complete stages 9 to 11