If you meant playing the "unblocked" (bypassing school/work filters), I can't provide direct links, but you can search for:
: Can walk through water but dies if she touches lava. play fireboy and watergirl unblocked
I notice you're asking for "play Fireboy and Watergirl unblocked" and mentioned "paper." If you're looking for a printable paper version of the game (like a tabletop or puzzle activity), here’s a simple idea: If you meant playing the "unblocked" (bypassing school/work