Wowza! there are at least 16 codes that i know. each code gives you 1000 gems on Animaljam.com
here they are...
gorilla
celebrate
speedy
hammock
foodfight
playfree
playwild
newyearjam
NewYears Jam
potion
discovery
discover
playsmart
moviebytes
campwild
danceparty
By the way..... I am a member at animaljam.com, my username is HappyGecko.
an animaljam code for a free membership is butterfly
eererr
gecko
no
anmailjampartywertyalexmaunlololololkiolyui unlited member
gecko, lots more
playwild is one but i don't no any others
umm hi please be my buddy on animljam it is sunshine45543
there is a new code for 2014 its called TIGRIS
i know 1 code somebody awnserd butterfly
it is NOTHING! HAHAHAHAHA YOU UGLY FACE
there are lots of codes but sometimes they do not work so if they dont you will have to bye it your self