Play the tutorial
Start 1 Wave
Start 25 Waves
Start 50 Waves
Start 100 Waves
Start 1000 Waves
Start Wave 15
Start Wave 20
Reach 10 Total Highest Waves
Reach 30 Total Highest Waves
Reach 70 Total Highest Waves
Reach 90 Total Highest Waves
Reach 99 Total Highest Waves
Complete all 5 Levels
Defeat 1000 Enemies
Defeat 10000 Enemies
Defeat 50000 Enemies
Defeat 100000 Enemies
Defeat 100 1s
Defeat 100000 1s
Defeat 100 10s
Defeat 100000 10s
Defeat 100 20s
Defeat 100000 20s
Defeat 100 30s
Defeat 100000 30s
Defeat 100 40s
Defeat 100000 40s
Defeat 100 50s
Defeat 100000 50s
Defeat 100 60s
Defeat 100000 60s
Defeat 100 70s
Defeat 100000 70s
Defeat 100 80s
Defeat 100000 80s
Start Wave 18
Complete a Level
Complete 3 Levels
Start Wave 17
Spend 2500
Spend 50000
Spend 1000000
Spend 1000000000
Fully Upgrade 1 Tower
Fully Upgrade 20 Towers
Fully Upgrade 100 Towers
Fully Upgrade 250 Towers