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There are 3 secret rooms, all in the artifact gallery, they appear as more and more artifacts are finished.
secret characters are bonus characters in free play
santa, sherpa gunner, grave robber
they do nothing
believe me ive clocked it 3 times
also it rains money when you get 100%
There are not any, not that I know of.
There are a lot of them
yes
Codes are to unlock extras or characters.
u cant ive tried it.
Yes this is true, though out the game there is 5 hidden Star Wars characters. When you find them all you unlock the power to buy Han Solo. Which is played by the same actor who plays Indiana Jones. Search on YouTube "Hidden Star Wars Characters in Lego Indiana Jones" and you will probably find a walkthough on finding them. :)
you get han solo
you play it after you build the rocket in the Lego Indiana Jones 2.
Lego Indiana Jones the Original Adventures is a good game on the Xbox 360 but that's just my opinon in my objective!
Lego Indiana Jones 2: The Adventure Continues It will have movies from Indiana Jones: Raiders of the Lost Ark to Indiana Jones and the Crystal Skull.; it will also have a stage builder.
They're just characters that when you wave at it with a Thugee hat, something will appear or a door would open.
It is on the Lego Indiana Jones disk, in the "ROOTFI~1.cab" file.