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Who needs life upgrades ? Complete the game with no life upgrade

No surprise for you ! Complete sample 8 without destroying a single bloated cell

Proven Leader Earn 500 Squad Leader Ribbons

Maid Service Unlock all Mansion levels

E-Waste Disposal Unlock all Laboratory levels

Pure skill Complete level 1-33 without dying

Big Pharma Unlocked all Trophies!

An Expansive Achievement Complete every challenge in the Room to Maneuver scenario

Spoilt for Choice Complete every challenge in the Full Unlock scenario

Expert Complete 20 challenges with an Expert rating

Master Complete 20 challenges with a Master rating

Guardian Angel Complete the Fast Friends level without letting one of the kids get hurt.

Out of Gas Defeat Bear C.L.A.W.

Stunning Accomplishment! Get 100 stuns with the zombie dog units.

Live fast, die later Complete sample 14 without slowing the chain

No smoking Complete sample 17 without being poisoned once by toxins

It Was A Turtle All Along! Defeat the Turtle Boss in the Swamp on Normal Difficulty

Treemendous Complete forest with a score above 800,000

Green Fingers Kill all enemies in the forest level in Easy or Normal

It's Full Of Stars 3 Stars on Every Lesson

Leo the invincible Complete the game in Hardcore mode

Big Trouble in Chinatown Discover the mysteries of Chinatown.

We Sure Fooled Them! Complete the Trick Or Treat level without letting any zombies touch any kids.

Sorry Mr. Roboto Defeat Sifu.

Keeping Gravediggers in Business Discover 100 backer graves.

Teacher's Pet Ace Every Exam

Smoke & Mirrors Drive the entire "classic" length of Desert Limo without crashing.

Roundabout Finish the Nova level by only turning in one direction.

Endless War Reach Battle Rank 100

Escape the Mountain Get Ray through the trials of the mountain.

Super Nanny Complete the Candy Quest level without letting any kids get hurt.

Sweep The Leg Defeat Old Man Chaz.

All Tied Up Entangle human assassin units 40 times with the zombie dog units.

The Bigger They Are... Stun the heavy human units 20 times with the zombie assassin units.

Arcade Skill Level 8 Complete 80 levels in Arcade mode

Arcade Skill Level 9 Complete 90 levels in Arcade mode

Arcade Skill Level 10 Complete 100 levels in Arcade mode

It's NOT an ovocyte Complete sample 21 without colliding with a single flagellate pathogen

Play 1000 matches Play 1000 matches against the AI or online

Begone, Beach Turtle! Defeat the Turtle Boss in the Lagoon on Normal Difficulty

Green Fingers King Kill all enemies in the forest level in Hard mode

Catch a Millionaire Earn one million bucks with fish sales!

Green peace Push the second bulb inside the sundews without letting the particles fall inside.

Eating is cheating Don't trigger any nausea during the Slightly acid level.

Easy Does it Score double-S in all combat levels without using area attack

Discover the Truth Complete the game to unravel the mysteries of Ray's story.

You're the Best...Around! Complete all training trials without a single failure.

Sneaky Sneaky! Complete the Camp Ki Ki Ma level without being discovered.

You're Grounded! Defeat General M.

Stop Right There Successfully stop the Soviet convoy.