On Girls Go Games it is the frog monster but if not then here are twelve codes( I forgot two and I haven't done the 6th one.
Mix a monster combos
spring cheese sock snail = Dinosaur
sock rock frog spring = Tear Drop
sock rock frog cheese = Cake
sock rock snail frog = Lots Of Eyes
sock rock snail spring = Music Monster
sock rock snail cheese = Booger Man
sock rock spring cheese = Boxing Beaver
spring rock frog cheese = Pink Monster
sock frog snail spring = Juggler
sock frog snail cheese = Frog
snail rock spring cheese= Blob
frog rock spring snail = Octopus Thing
You mix the Frog, the Sock, the Rock, and the Cheese
dino
mix in the frog, the rock, the cheese and snail.
frog snail cheese spring
Sock, Snail, Cheese, Spring
Frog, sock, spring, cheese Purple Blob Monster 6th monster
you can't mix a monster it's either a Katsuma,Luvli,Poppet,Furi,Zommer,and, Diavlo.
to make the 13th monster put the spring , rock , frog , and cheese
rock sock frog snail
you put frog snail spring sock
snail,cheese,frog,spring
slug frog cheese spring