Achievements:
It's Cool, I've got this
Objective: Survive a wave without spending any Resources in previous Build Phase.
(See?) I've got this
Objective: Kill an entire wave without aid of towers on Medium or higher difficulty.
Shift's Over
Objective: Survive all the waves on Mine.
BOOM! HEADSHOT!
Objective: Kill 4 enemies by hitting their weakspot with one Sniper Rifle clip.
Bridge Troll
Objective: Survive all the waves on Bridge.
Martyr
Objective: Kill an enemy with a grenade while being knocked back.
599 US Dollars
Objective: Fully upgrade three towers.
Giant Enemy Crab
Objective: Get 5000 weak spot hits.
Automagic
Objective: Kill an entire wave in singleplayer without using your weapons.
Fully Covered
Objective: Build one of each Tower on Arc.
If you Replace the Working Parts...
Objective: Upgrade Towers 250 times.
You shall not PASS!
Objective: Build 50 Block Towers during one Build Phase.
Safe at Last
Objective: Survive all the waves on Arc.
Collateral Damage
Objective: Kill 15 Runners with one Assault Grenade.
Reanimator
Objective: Teleport 200 times.
Meet the President
Objective: Meet the President on Arc.
Voyage au centre de la Terre
Objective: This is a secret achievement, can you unlock it?
The Plot Thickens
Objective: This is a secret achievement, can you unlock it?
I Said STOP!
Objective: Freeze an enemy in a max level slow field.
Flawless
Objective: Finish a level on Medium or higher difficulty with 100% Core Life remaining.
Lunch box
Objective: Find the sandwiches on Bridge.
Old School
Objective: Complete a level without teleporting.
...You get a Different Machine
Objective: Upgrade Towers 500 times.
Chill, Man...
Objective: Upgrade three Slow Fields to max level.
The Monument
Objective: This is a secret achievement, can you unlock it?
Good Day, Mr. Walker
Objective: Kill 2000 Walkers.
Seven Sisters
Objective: Find the Babushka Doll on Mine.
Spray and Pray
Objective: Reach wave 10 only having built Blocks and Gatlings.
OVER 9000!
Objective: Reach wave 10 only having built Blocks and Lightnings.
Scatter Brain
Objective: Reach wave 10 only having built Blocks and Scatter Lasers.
Too Fast
Objective: Kill 1000 Chargers.
Close Call
Objective: Finish a level with less than 5% Core Life remaining.
The Bigger they are...
Objective: Kill 250 Big Walkers.
Legion
Objective: Reach wave 30 on Experienced Endless.
All Pro
Objective: Kill 2000 enemies with the Sniper Rifle.
Bang for your Buck
Objective: Kill an entire wave only using the Assault Grenade on Medium or higher difficulty.
Do you know where you are?
Objective: Survive all the waves on Glade.
Turbo Aim
Objective: Kill 300 Gliders.
Time to Expand
Objective: Kill 100 Soakers.
Terminated
Objective: Kill 3000 enemies with the Assault Gun.
Big Guys Require Big Guns
Objective: Kill 1500 Tanks.
All is Dust
Objective: Gib 1337 enemies.
Mach 5
Objective: Kill 4000 Runners.
I Feel Claustrophobic
Objective: Survive all the waves on Mine on Insane difficulty.
Pollen Allergy
Objective: Kill 2000 Spore Pods.
Big Game Hunter
Objective: Shoot 9 Strawberry Fishes.
Lockdown!
Objective: Kill 250 Blockers.
Perfectionist
Objective: Finish a level on Insane difficulty with 100% Core Life remaining.
Shoot 'em in the head!
Objective: Kill 250 Bobble Heads.
This isn't the Golden Gate!?
Objective: Survive all the waves on Bridge on Insane difficulty.
Without Number
Objective: Reach wave 12 on Hardcore Endless.
I Love Strawberries
Objective: Guide Box Boy to the Giant Strawberry.
Rymndhaest
Objective: Kill 1000 Hoverers.
A Walk in the pARC
Objective: Survive all the waves on Arc on Insane difficulty.
Airborne Assault
Objective: Kill 1000 enemies while you're in mid air.
Keep quiet
Objective: This is a secret achievement, can you unlock it?
Flyswatter
Objective: Kill 1500 Dodgers.
You're in the jungle, baby!
Objective: Survive all the waves on Glade on Insane difficulty.
Predator
Objective: Shoot 12 Strawberry Fishes