Alexander-Core

Burst Breaker Used the Brute, Feral, and Phantom Burst Counters five times each to counter a Burst Attack.
15/15

Chain Gang Reach a chain of 1000

Opportunity Cost Unlock all items in EX Options

Ancient Marrakesh Reach Marrakesh Mastery Level 20.

Untouchable Finish any level without taking damage

Scrambled Eggs Defeat one of Embryo's phases before he can relocate

We Have To Go Deeper Reach Layer 15 in Infinity Drive mode

Nothing But Net Drop a cannonball down the hole in Filament

Androids Assemble Play as 8 Androids

Seven At One Blow Destroy seven enemies with a single Rail Gun shot

Centre of Mass Destroy an enemy with Helo while it's caught by a Singularity

Perfection Earn an S+ rank on any level

To Cross The Void Rescue the Genki Star

Everything's Cactus Destroy 15,000 homicidal robots

Collateral Damage Destroy 3 enemies by driving another enemy through them with the Giga Drill

Poor Atmosphere Defeat Superstructure Engineer Venom

Too Big to Fail Complete A Gilded Cage.

Security Breach Defeat Security Administrator Justice

Prison Break Destroy every laser fence In Justice's first phase

Blast Processing Activate an EX Option

Chain Reaction Cause 3 mines to explode in succession without being shot

Garden Pruning Defeat Hydroponics Controller Vespula

Credits To Burn Unlock any item that costs credits

No Hold Will Hold Me Defeat Production Overlord Embryo

Weak Link Reach a chain of 100

King of Speed Get through Stardust Speedway Zone as quickly as possible

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

Amalfi Pearl Reach Sapienza Mastery Level 20.

Collect 'Em All Gotta gacha 'em all

Stylish Assassin Get 10 different Playstyles.

Surgery Reattach a limb

Master Key Solve all the combination key puzzles.
4/4

Die By the Sword Complete World of Tomorrow.

City of Light Reach Paris Mastery Level 20.

When No One Else Dares Complete The Showstopper.

Secret Sub You might have to submerge to find it

The Password is "Special Stage" Try pushing a barrel to see how far it goes

Crate Expectations Wreak havoc at the propaganda factory

Window Shopping Let the wind take you through

Triple Trouble Try for a 3 chain combo!

Training Escalated Complete Level 5 of an Escalation Contract set in the ICA Facility.

The Creative Assassin Complete the Contract Creation Tutorial.

Frustration Locate Anna

Journey Travel to the past

Killer Kill 20 enemies
20/20

Silent Assassin Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.

Cleared for Field Duty Complete The Final Test in the Prologue.

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

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

No Way? No Way Collect gold medallions in Blue Spheres Bonus stage