You will have to use a secret trap which can be found in the "Sources and related links" section. It will tell you about them, and how to get them.
on a capture invizimals quest were you have to stop it by blocking with your hand
No you cantThe trap is the most important thing in Invizimals (and the PSP camera) if you lose it i suggest borrow someone Else's or get another one (it has to be an Invizimals trap card only).
No
Story mode.
u get it after u max all the guardian invizimals and then complete the tornament
go to google,type secret traps for invizimals shadowzone scan,enjoy your new invizimals!
some where arund summer
win any torament
six of them require secret traps other have battles or alliance ranks to get
You get Sackboy by becoming a level 20 in the alliance, and you get Unicorn by collecting and evolving all of the Invizimals to Max.
in the first invizimals you have to google it like:invizimals 1 uberjackal trap and in invizimals shadow zone i think it is by a bet in tailandia(not sure)
You have to Win 20-50 times in online battles
Just click on this link and it will tell you everything: What_is_the_big_secret_on_invizimals
You need to capture FIVE MUTANT Invizimals, it should then do something or other on Infrastructure
There isn't a "best" Invizimal. It just depends on what stats you raise when you level it up. People have different favorite invizimals. Mine is Shenlong.
Fall 2011, Sony just announced it on their blog.