Screen 3

The BASE64 String
Screen 3, was by far the most straightforward puzzle yet. Once the screen has begun, the players have been directly presented with an annoyingly lengthy BASE64 string, scrolling from right to left.

The fully transcribed string is as follows:

''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''

Converting to PNG
Once the string has been fully transcribed, one must convert the string to ASCII using an online converter, to then notice that this is in fact a PNG file. Therefore, opening the translated text results with the following image:

The Answer
Simply transcribe the text shown in the image to receive the solution; therefore, the solution to this screen is: the_things_we_do_for_love