Achievements
Complete these acheivements ingame
UnlockableHow to unlockApocalypseStay alive long enough for the screen to accumulate 20 baddies then zap emCrystal MasterScore 1000000 or more points in one gameCrystal NinjaScore 10000000 points or more in one game at standard difficulty level or lowerCrystal RookieScore 10000 points or more in one game at standard difficulty level or lowerImmortalReach 1000000 points without losing a life at standard difficulty level or higherLifesaverHave 30 lives in hand at standard difficulty level or higherMarathon ManComplete the first 60 waves in a single gameNavigatorFinish wave 20 without touching a mine or other obstacle at standard difficulty level or higherNerves Of SteelReach 1000000 without using a single smart bombSmartassHave 30 smarts in hand at standard difficulty level or higherSpeek FreakComplete the first wave in 5 secondsTreasure HuntCollect 30 or more bonus crystals in a single game