You go to the Chinese place and go across the construction place and beat the old man there and you will get the amulet.
You beat all of the time periods.
The Thor's Hammer amulet is at the great Wall of China (1593) - climb to the upper right and beat the old man in a memory game.
In the future.
you would just beat the answer
give it to the vikings and get the other items and for more info, type in 'How do you beat time tangled island?' in the answers.com question box.
you beat the rest what else do you do
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Time Tangled Island is on the site Poptropica. A link to the video walkthrough is provided below. For the written solution, see the related questions.
Thor's Hammer is on Time Tangled Island. There will be a construction zone, and just beyond that is a man wearing the amulet. If you are able to beat his memory game, he will give you the Thor's Hammer amulet.
kiss the dwarfs butt then lick the magic toad
You go back to the lab then to the future in the big time machine get to your house and get the medal!
the first person to beat it was Amber P. and Julyan G.