User blog comment:Big plants fan/My new achievements./@comment-5467581-20120915115645

Perfection: Complete Adventure mode once without having to use a single Last Line of Defense (Medium-Hard)

Beginner's Luck: Complete Slot Machine the first time while getting lucky at least 70% of the time. (Medium)

Diamond Lover: Collect 100 diamonds (Hard)

Zombie Assassin: Complete Adventure Mode 20 times (Extreme)