| Achievement | How to unlock
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|---|
| "It's Better to be Alive" (5) | Get to round 150 on any map in Endless mode on Easy.
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| Base Major (5) | Get to round 100 on Crossroads in Classic mode on Medium.
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| Base Officer (5) | Get to round 50 on Crossroads in Classic mode on Hard.
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| Base Sergeant (3) | Get to round 50 on Crossroads in Classic mode on Medium.
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| Baserunner (8) | Get to round 100 on Crossroads in Classic mode on Hard.
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| Blow 'em Up! (3) | Fully upgrade a Missle Tower.
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| Boot Camp Complete! (15) | Get to round 100 on Frostbite in Classic mode on Easy.
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| Boot Camp Domination (5) | Get to round 100 on Drylands in Classic mode on Easy.
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| Boot Camp Junior (2) | Get to round 100 on Grasslands in Classic mode on Easy.
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| Boot Camp Master (10) | Get to round 100 on Skyway in Classic mode on Easy.
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| Boot Camp Senior (3) | Get to round 100 on Crossroads in Classic mode on Easy.
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| Cakewalk (3) | Get to round 50 on Drylands in Classic mode on Easy.
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| Crossroads Bronze (3) | Get to round 100 on Crossroads in Extended mode on Easy.
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| Crossroads Gold (10) | Get to round 100 on Crossroads in Extended mode on Hard.
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| Crossroads Silver (5) | Get to round 100 on Crossroads in Extended mode on Medium.
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| Cuts Like Butter (8) | Fully upgrade a Laser Tower.
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| Daredevil (20) | Get to round 150 on any map in Endless mode on Hard.
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| Desert Captain (10) | Get to round 100 on Drylands in Classic mode on Medium.
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| Desert Commander (10) | Get to round 50 on Drylands in Classic mode on Hard.
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| Desert Lieutenant (5) | Get to round 50 on Drylands in Classic mode on Medium.
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| Desertrunner (15) | Get to round 100 on Drylands in Classic mode on Hard.
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| Diehard (15) | Play 75 rounds consecutively with 1 life.
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| Drylands Bronze (5) | Get to round 100 on Drylands in Extended mode on Easy.
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| Drylands Gold (15) | Get to round 100 on Drylands in Extended mode on Hard.
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| Drylands Silver (10) | Get to round 100 on Drylands in Extended mode on Medium.
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| Field Corporal (3) | Get to round 100 on Grasslands in Classic mode on Medium.
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| Field Private (2) | Get to round 50 on Grasslands in Classic mode on Medium.
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| Field Sergeant (3) | Get to round 50 on Grasslands in Classic mode on Hard.
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| Fieldrunner (5) | Get to round 100 on Grasslands in Classic mode on Hard.
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| Flawless! (15) | Achieve victory without taking any damage.
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| Frostbite Bronze (15) | Get to round 100 on Frostbite in Extended mode on Easy.
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| Frostbite Gold (30) | Get to round 100 on Frostbite in Extended mode on Hard.
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| Frostbite Silver (20) | Get to round 100 on Frostbite in Extended mode on Medium.
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| Global Warmer (4) | Fully upgrade a Flame Tower.
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| Grasslands Bronze (2) | Get to round 100 on Grasslands in Extended mode on Easy.
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| Grasslands Gold (5) | Get to round 100 on Grasslands in Extended mode on Hard.
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| Grasslands Silver (3) | Get to round 100 on Grasslands in Extended mode on Medium.
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| Guerilla Warfare (15) | Buy and sell 20 towers consecutively.
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| Ice Brigadier (20) | Get to round 100 on Frostbite in Classic mode on Medium.
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| Ice Colonel (15) | Get to round 50 on Frostbite in Classic mode on Medium.
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| Ice General (20) | Get to round 50 on Frostbite in Classic mode on Hard.
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| Icerunner (30) | Get to round 100 on Frostbite in Classic mode on Hard.
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| Insane (10) | Get to round 500 on any map in Endless mode on Easy.
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| Iron Fist (5) | Score 500,000 points on any map in a single session.
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| Mad Scientist (5) | Fully upgrade a Tesla Tower.
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| Make My Day! (10) | Get to round 50 on Frostbite in Classic mode on Easy.
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| Manhattan Project (8) | Fully upgrade a Mortar Tower.
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| Master Plan (15) | Score 850,000 points on any map in a single session.
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| Mow Them Down! (1) | Fully upgrade a Gatling Tower.
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| Now We're Talking! (5) | Get to round 50 on Skyway in Classic mode on Easy.
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| Nuclear Winter (10) | Fully upgrade an Ice Tower.
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| Purple Heart (5) | Survive any map with only 1 life.
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| Sky Captain (10) | Get to round 50 on Skyway in Classic mode on Medium.
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| Sky Colonel (15) | Get to round 100 on Skyway in Classic mode on Medium.
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| Sky Commodore (15) | Get to round 50 on Skyway in Classic mode on Hard.
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| Skyrunner (20) | Get to round 100 on Skyway in Classic mode on Hard.
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| Skyway Bronze (10) | Get to round 100 on Skylands in Extended mode on Easy.
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| Skyway Gold (20) | Get to round 100 on Skylands in Extended mode on Hard.
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| Skyway Silver (15) | Get to round 100 on Skylands in Extended mode on Medium.
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| Slow Mow! (2) | Fully upgrade a Goo Tower.
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| Strategic Genius (20) | Get to round 250 on any map in Endless mode on Medium.
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| That Was Easy! (1) | Get to round 50 on Grasslands in Classic mode on Easy.
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| That Was Easy, Again (2) | Get to round 50 on Crossroads in Classic mode on Easy.
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| Time Flies (10) | Get to round 250 on any map in Endless mode on Easy.
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| Warming Up (2) | Score 100,000 points on any map in a single session.
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