Unlockable How to Unlock Beat Easy (2) Win 9 of the Easy Levels Beat Hard (15) Beat 9 Hard Levels Beat Medium (10) Beat 9 Medium Levels Blue Thunder (5) Upgrade a Laser Tower to Level 7 Close Call (5) Score a x50 Multiplier Bonus from a Creep Easy Owned (10) Beat 9 Easy Levels without losing a life on any (excluding endless Levels) Easy Start (1) Beat any Easy Level Flux Vortex (5) Upgrade a Vortex Tower to Level 7 Green Machine (5) Upgrade a Blaster Tower to level 7 Hard Owned (85) Beat 9 Hard Levels without losing a single life (excluding endless Levels) Hard Start (7) Beat any Hard Level Medium Owned (30) Beat 9 Medium Levels without losing a single life (excluding endless Levels) Medium Start (5) Beat any Medium Level Red Menace (5) Upgrade a Missile Tower to Level 7 Shock and Awe (5) Upgrade a Shock Tower to Level 7 Turret Happy (5) Place every type of Turret in a single Level and win
Contributed By: Guard Master.
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