No, you only get it the first time you do them.
you cant
No, you can not use a membership code twice on Moshi Monsters. You also can not use the same member name twice, however, you can add numbers to it to make it similar.
I'm not sure but the reward in flipside is dashell... In order to get the flopside reward you need to beat it twice.
YES
you cant
No, you can only use Roxy's code one time on Moshi Monsters.
Dallas loss to the Pittsburgh Steelers twice in the Super Bowl: Super Bowl IX and Super Bowl XIII.
you can't
To get Blingo twice on Moshi Monsters, you need to get two copies of the book: Buster's missing Moshlings and in the book there's a code to get Blingo, and because the codes WILL be different, you can get Blingo twice!
You can't use the same code twice. The only way is to find a new code.
Yes, Mission Santa Clara got destroyed 5 times twice by an earthquake, once by a fire and twice by a flood.
You can not use the codes more than one time for each Moshi Monsters member account.