Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Boom!	Beat a level only using explosive based weaponry.
Cookie Cleaner	Destroy more than 3000 Viruses.
Deluxe Package	Beat 18 levels.
Diverse	Have one of every kind of tower on the field at once.
Firmware Update	Beat your own highscore on any level.
Flawless	Beat the final level without losing any health.
Free Trial	Beat 6 levels.
Frugal	Beat any level without upgrading a single tower.
Gigabyte	Have more than 10000 in the bank at one time.
Hoarder	Beat any Level without selling a single tower.
Impenetrable	Beat every level at least once without losing any health.
Malware Mutilator	Destroy more than 9000 Viruses.
Megabyte	Have more than 5000 in the bank at one time.
No-verclock	Beat any hard level without the use of Buff Towers or OC Grenades.
Pew!	Beat a level only using laser based weaponry.
Quick Clean	Skip over 3 minutes of time in a single level.
Spyware Stopper	Destroy more than 6000 Viruses.
Standard License	Beat 12 levels.
Stunning Speed	Destroy a Zapper before it has the chance to disable any of your towers.
Thorough Scan	Have more than 15 hours of playtime in VectorWave.