| Achievement | How to unlock
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| 25K Club | Defeat 25,000 enemies.
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| 30/30 | Finish a game with difficulty level of 30 or higher, and with your health remaining at 30 or higher.
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| 75K Club | Defeat 75,000 enemies.
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| Addict | Finish 5,000 Levels.
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| Aron Ralston | Complete level 70 in survival mode.
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| Basic 10 | Finish the Basic Level 10 times.
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| Basic 25 | Finish the Basic Level 25 times.
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| Basic 60 | Finish the Basic Level at difficulty level 60.
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| Basic Level 100 | Finish the Basic Level at difficulty level 100.
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| Basic Level 40 | Finish the Basic Level at difficulty level 40.
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| Basic Level 80 | Finish the Basic Level at difficulty level 80.
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| Bear Grylls | Complete level 40 in survival mode.
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| Big One | Earn 500+ points from a single enemy.
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| Big Saver | Collect $2,500 during a game.
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| Big Score | Score 1,000,000 lifetime points.
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| Big Spender | Finish a map with all towers fully-upgraded.
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| Boy Scout | Complete level 20 in survival mode.
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| Chain Smoker | Detonate a 10 mine chain.
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| Cheapskate | Finish a map without upgrading any towers.
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| Complete Any Map | Finish any map.
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| Complete Difficulty 100 | Finish a map with the difficulty level set to 100 or more.
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| Complete Difficulty 11 | Finish a map with the difficulty level set to 11 or more.
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| Complete Difficulty 14 | Finish a map with the difficulty level set to 14 or more.
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| Complete Difficulty 17 | Finish a map with the difficulty level set to 17 or more.
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| Complete Difficulty 2 | Finish a map with the difficulty level set to 2 or more.
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| Complete Difficulty 20 | Finish a map with the difficulty level set to 20 or more.
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| Complete Difficulty 40 | Finish a map with the difficulty level set to 40 or more.
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| Complete Difficulty 5 | Finish a map with the difficulty level set to 5 or more.
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| Complete Difficulty 60 | Finish a map with the difficulty level set to 60 or more.
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| Complete Difficulty 8 | Finish a map with the difficulty level set to 8 or more.
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| Complete Difficulty 80 | Finish a map with the difficulty level set to 80 or more.
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| Cornelius Rost | Complete level 90 in survival mode.
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| Courtyard 10 | Finish The Courtyard 10 times.
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| Courtyard 25 | Finish The Courtyard 25 times.
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| Crazy Saver | Collect $5,000 during a game.
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| Cub Scout | Complete level 10 in survival mode.
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| Eagle Scout | Complete level 30 in survival mode.
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| Experienced | Finish 1000 Levels.
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| Factory 10 | Finish The Factory 10 times.
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| Factory 25 | Finish The Factory 25 times.
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| Fast-Lane | Finish at least 75 levels with fast-forward turned on during a game.
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| Fast-Paced | Finish a map without creating any Slow Towers.
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| Good Game | Earn 250,000+ points during a game.
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| Great Game | Earn 500,000+ points during a game.
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| Gunner | Finish a map without creating any Rocket Towers.
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| Huge Score | Score 50,000,000 lifetime points.
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| Les Stroud | Complete level 50 in survival mode.
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| No Sale | Finish a map without selling a tower.
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| Perfect 100 | Finish a map without losing any health.
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| Perfect 25 | Get Level Bonus to 25.
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| Perfect 50 | Get Level Bonus to 50.
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| Powered Up | Finish a map with 12 or fewer Towers.
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| Pyro | Finish a game with 25 or more flame towers.
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| Rainy Day | Collect $1,000 during a game.
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| Risk Taker | Finish a map with 1 health remaining.
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| Roadway level 10 | Finish the Roadway level at difficulty level 10.
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| Roadway level 100 | Finish the Roadway level at difficulty level 100.
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| Roadway level 50 | Finish the Roadway level at difficulty level 50.
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| Rocketman | Finish a map without creating any Gun Towers.
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| Ruins 10 | Finish The Ruins 10 times.
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| Ruins 25 | Finish The Ruins 25 times.
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| Scott O'Grady | Complete level 60 in survival mode.
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| Show Off | Finish a map with a single tower.
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| Solid Effort | Finish a map with at least 18 health.
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| Super Powered | Finish a map perfectly with 12 or fewer towers.
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| The Courtyard level 100 | Finish the Courtyard at difficulty level 100.
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| The Courtyard level 15 | Finish The Courtyard at difficulty level 15.
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| The Courtyard level 25 | Finish The Courtyard at difficulty level 25.
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| The Courtyard level 50 | Finish the Ruins at difficulty level 50.
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| The Factory level 100 | Finish the Factory at difficulty level 100.
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| The Factory level 20 | Finish The Factory at difficulty level 20.
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| The Factory level 40 | Finish The Factory at difficulty level 40.
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| The Factory level 70 | Finish the Factory at difficulty level 70.
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| The Ruins level 100 | Finish the Ruins at difficulty level 100.
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| The Ruins level 30 | Finish the Ruins at difficulty level 30.
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| The Ruins level 50 | Finish the Ruins at difficulty level 50.
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| The Ruins level 70 | Finish the Ruins at difficulty level 70.
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| Titan Defend | Find and Defend the Titan.
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| Ultra Game | Earn 5,000,000+ points during a game.
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| Uruguayan Air Force Flight 571 | Complete level 80 in survival mode.
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| VR-A | Finish 5 A-Coded VR Training Missions.
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| VR-B | Finish 5 B-Coded VR Training Missions.
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| VR-C | Finish 5 C-Coded VR Training Missions.
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| VR-D | Finish 5 D-Coded VR Training Missions.
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| VR-E | Finish 5 E-Coded VR Training Missions
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| What Robot Apocalypse | Complete level 100 in survival mode.
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| Whopper | Earn 1,000+ points from a single enemy.
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