Achievements
Fruit Annihilation 120 - Kill 10000 Fruit Total
Fruit Rampage 80 - Kill 5000 Fruit Total
Fruit Frenzy 60 - Kill 1000 Fruit Total
Purple is a Fruit 60 - Kill 20 Plums in one round of Classic Mode
Lucky Ninja 60 - Get 6 criticals in one round of Classic Mode
Deja Vu 60 - Kill 4 of the same type of fruit in a row in Classic Mode
Ultimate Fruit Ninja 40 - Get a score of 200 in Classic Mode
Fruit Blitz 40 - Kill 500 Fruit Total
No Doctors Here 40 - Kill 15 Apples in one round of Classic Mode
It’s all Pear Shaped 40 - Kill 3 Pears in a row in Classic Mode
Secret 20 - You must unlock this achievement to unlock its description.
Mango Magic 20 - Get a critical hit with a Mango
Great Fruit Ninja 20 - Get a score of 100 in Classic Mode
Fruit Fight 20 - Kill 150 Fruit Total
Go Banana 20 - Kill 10 Bananas in one round of Classic Mode
Fruit Ninja 10 - Get a score of 50 in Classic Mode

Cutting the pineapple 3 times in a row
What you need to do is wait until two in a row fly up then wait and pray that there's a third. If not cut the fruit and move on.

Lovely Bunch Achievement help
To get the "Lovely Bunch" you need a combo of 6 coconuts in Zen Mode (may also be achieveable in other modes).

Year of the Dragon Achievement help
For the special fruit secret, you play classic mode and eventually a big fruit will fly across the screen from left to right. Not only will you get the achievement but you will also get 50 bonus points. For the secret ones, you have to get 0 fruit, 69 fruit, 99 fruit, and you have to get your exact high score, then you just let youself lose.

Strawberry Facts help
To the strawberry facts go on zen mode and get a combo with mostly strawberries in and you will get one.

More Achievements (Your receive this - if You do this)
Fruit Annihilation - for 10,000 fruit cut
Are you kidding me?! - for tying your best score
Lucky Ninja - 6 criticals
Wake Up - scored 0
Ultimate Fruit Ninja - score 200
Fruit Rampage - for 5,000 fruit cut
No Doctors Here - 15 apples
Deja Vu - 4 of the same in a row
Purple is a Fruit - 20 plums
Tee Hee Hee - score 69
Fruit Frenzy - 1,000 fruit cut
It's all Pear Shaped! - 3 pairs in a row
Fruit Blitz - 500 fruit cut
Mango Magic - critical hit mango
Great Fruit Ninja - score 100
Fruit Fight - 150 fruit cut
Go Banana - 10 bananas
Fruit Ninja - score 50
Patience it a virtue - Cut the mystery banana 10 times