Adventure Game Studio

Just in the case you're stuck in the game, here is a short walkthrough. The first spoiler only indicates the method to search for the solution, the second one the solution itself:

1. Puzzle:

Spoiler

find number of Perelman in the archive

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Solution:

Spoiler

875613

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2. Puzzle:

Spoiler

look at the year dates and try to form them out of the digital numerals

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Solution:

Spoiler

2010

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3. Puzzle:

Spoiler

lead Perelman to the IT-Room

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Solution:

Spoiler

top left

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4. Puzzle:

Spoiler

try to figure out the numbers ONE BY ONE (the red light will turn green if you're right)

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Soulution:

Spoiler

1573

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5. Puzzle:

Spoiler

just by asking about the password and George's family you can find the entrance

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Solution:

Spoiler

first type "GEORGE", then "KAROLINSKA"

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6. Puzzle:

Spoiler

first seach the exit door and have a look at its colours

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Solution:

Spoiler

all screens have to be yellow like the door frame to leave the exit door

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7. Puzzle:

Spoiler

try to obtain the arrow symbol

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Solution:

Spoiler

white, blue, red

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Hope the walkthrough could help!
Have fun with the game!
David