Boot Camp Junior
Get to round 100 on Grasslands in Classic mode on Easy.
Field Corporal
Get to round 100 on Grasslands in Classic mode on Medium.
Fieldrunner
Get to round 100 on Grasslands in Classic mode on Hard.
Grasslands Bronze
Get to round 100 on Grasslands in Extended mode on Easy.
Grasslands Silver
Get to round 100 on Grasslands in Extended mode on Medium.
Grasslands Gold
Get to round 100 on Grasslands in Extended mode on Hard.
Boot Camp Senior
Get to round 100 on Crossroads in Classic mode on Easy.
Base Major
Get to round 100 on Crossroads in Classic mode on Medium.
Baserunner
Get to round 100 on Crossroads in Classic mode on Hard.
Crossroads Bronze
Get to round 100 on Crossroads in Extended mode on Easy.
Crossroads Silver
Get to round 100 on Crossroads in Extended mode on Medium.
Crossroads Gold
Get to round 100 on Crossroads in Extended mode on Hard.
Boot Camp Dominator
Get to round 100 on Drylands in Classic mode on Easy.
Desert Captain
Get to round 100 on Drylands in Classic mode on Medium.
Desertrunner
Get to round 100 on Drylands in Classic mode on Hard.
Boot Camp Master
Get to round 100 on Skyway in Classic mode on Easy.
Sky Colonel
Get to round 100 on Skyway in Classic mode on Medium.
Skyrunner
Get to round 100 on Skyway in Classic mode on Hard.
Skyway Bronze
Get to round 100 on Skyway in Extended mode on Easy.
Skyway Silver
Get to round 100 on Skyway in Extended mode on Medium.
Skyway Gold
Get to round 100 on Skyway in Extended mode on Hard.
Boot Camp Complete
Get to round 100 on Frostbite in Classic mode on Easy.
Ice Brigadier
Get to round 100 on Frostbite in Classic mode on Medium.
Icerunner
Get to round 100 on Frostbite in Classic mode on Hard.
Frostbite Bronze
Get to round 100 on Frostbite in Extended mode on Easy.
Frostbite Silver
Get to round 100 on Frostbite in Extended mode on Medium.
Frostbite Gold
Get to round 100 on Frostbite in Extended mode on Hard.
No Mercy
Defeat 5,000 fieldrunners.
They Keep Coming, I Keep Gunning
Defeat 25,000 fieldrunners.
Statistic
Defeat 100,000 fieldrunners.
Berzerker
Defeat 500,000 fieldrunners.
Active Denial System
Defeat 1,000,000 fieldrunners.
Precious Snowflake
Slow down 50,000 fieldrunners with the Ice Tower.
Slice Them Up!
Defeat 5,000 fieldrunners with the Laser Tower.
I Love the Smell of Napalm...
Defeat 5,000 fieldrunners with the Flame Tower.
Nuclear Dawn
Defeat 15,000 fieldrunners with the Mortar Tower.
Jelly Up!
Slow down 100,000 fieldrunners with the Goo Tower.
Hard Worker
Get defeated 100 times.
Patience is a Virtue
Get defeated 500 times.
Lemming!
Get defeated 1,000 times.
War Hero
Achieve 100 victories.
Commander-in-Chief
Achieve 500 victories.
FLAWLESS!
Achieve victory without taking any damage.
THIS IS SPARTA!
Achieve 100 victories without losing any lives.
Aerial Survivalist
Destroy 100 air units.
Aerial Madman
Destroy 500 air units.
Impenetrable!
Destroy 5,000 air units.
Warming Up
Score 100,000 points on any map in a single session.
Iron Fist
Score 500,000 points on any map in a single session.
Master Plan
Score 850,000 points on any map in a single session.
Purple Heart
Survive any map with only 1 life.
Diehard
Play 75 rounds consecutively with 1 life.
Mow Them Down
Fully upgrade a Gatling Tower.
Slow Mow!
Fully upgrade a Goo Tower.
Blow 'em Up!
Fully upgrade a Missile Tower.
Mad Scientist
Fully upgrade a Tesla Tower.
Global Warmer
Fully upgrade a Flame Tower.
Manhattan Project
Fully upgrade a Mortar Tower.
Cuts Like Butter
Fully upgrade a Laser Tower.
Nuclear Winter
Fully upgrade an Ice Tower.
Guerrilla Warfare
Buy and sell 20 towers consecutively.
Medal of Honor
Unlock 50%% of all achievements.
HARDCORE!
Unlock all achievements.
Drylands Bronze
Get to round 100 on Drylands in Extended mode on Easy.
Drylands Silver
Get to round 100 on Drylands in Extended mode on Medium.
Drylands Gold
Get to round 100 on Drylands in Extended mode on Hard.
It's Better to be Alive
Get to round 150 on any map in Endless mode on Easy.
Time Flies
Get to round 250 on any map in Endless mode on Easy.
Insane!
Get to round 500 on any map in Endless mode on Easy.
Strategic Genius
Get to round 250 on any map in Endless mode on Medium.
Daredevil
Get to round 150 on any map in Endless mode on Hard.
Solar Flare
Fully upgrade a Plasma Tower.
Mud on Your Boots
Get to round 100 on Mudslide in Classic mode on Easy.
Natural Born Sniper
Get to round 100 on Mudslide in Classic mode on Medium.
Mudrunner
Get to round 100 on Mudslide in Classic mode on Hard.
Mudslide Bronze
Get to round 100 on Mudslide in Extended mode on Easy.
Mudslide Silver
Get to round 100 on Mudslide in Extended mode on Medium.
Mudslide Gold
Get to round 100 on Mudslide in Extended mode on Hard.
Get off my Lawn
Fully upgrade a Shotgun Tower
Crystal Clear
Get to round 100 on Crystal Caves in Classic mode on Easy.
Diamonds are Forever
Get to round 100 on Crystal Caves in Classic mode on Medium.
Crystalrunner
Get to round 100 on Crystal Caves in Classic mode on Hard.
Crystal Caves Bronze
Get to round 100 on Crystal Caves in Extended mode on Easy.
Crystal Caves Silver
Get to round 100 on Crystal Caves in Extended mode on Medium.
Crystal Caves Gold
Get to round 100 on Crystal Caves in Extended mode on Hard.
Super Volcano
Fully upgrade a Lava Tower.
Firecracker
Get to round 100 on Lavaflow in Classic mode on Easy.
Firewalker
Get to round 100 on Lavaflow in Classic mode on Medium.
Lavarunner
Get to round 100 on Lavaflow in Classic mode on Hard.
Lavaflow Bronze
Get to round 100 on Lavaflow in Extended mode on Easy.
Lavaflow Silver
Get to round 100 on Lavaflow in Extended mode on Medium.
Lavaflow Gold
Get to round 100 on Lavaflow in Extended mode on Hard.
Heavy Poison
Fully upgrade a Poison Tower.