Yes you can by completing all of the adventure modes of Sonic, Tails, Knuckles, Cream and Amy.
The code to unlock shadow on ultimate flash Sonic is 595313131313131.
you can't unlock super shadow in this game.
You can't unlock Shadow the Hedgehog in the Super Smash Flash 2 Demo. That function is only available to those who get the whole game. In the game, one has to complete a number of tasks to unlock Shadow the Hedgehog.
Sorry, but there is no character as 'super sonic' in the game ultimate flash sonic, the only unlock-able characters are Amy Rose and Shadow The Hedgehog. For all the unlocked characters+all cheats+the full Juke box type in the password 595313131313131.
In the Ultimate Flash Sonic, a password for Shadow and Amy is 595313131313131.
Beat one player mode with everybody.
impossible. there are only codes to unlock all abilities plus shadow and amy.
You have beat tails without losing 5 lives at all!
In the passwords type 5953131313131 and go to cheats you'll have all cheats and go to characters and you'll have Amy and shadow!
you start the game and go to cheats and to unlock shadow Amy all the cheats and more type this code , 5953131313131313131 TRUST ME
no you cant but you can unlock amy and shadow just enter in the code 595313131313131 then you will get abillites and characters enjoy
i dont now who that flash dude is but i think shadow is more famouse