Polybius Game

Luzifer-Verlag

POLYBIUS - GAME OVER: Horrorthriller            

Gallery Books

Polybius                                        

Reverend Crown Publications Private Limited

POLYBIUS                                        

Severed Press

Polybius                                        

Independently published

POLYBIUS: A Horror Play                          

ASMRdB

The Polybius Video Game Experiment              

Polybius - Was the Mystery Game That Haunted Minds Real? (Real Horror Stories, True Crimes and Mysteries Book 39) (English Edition)

1288605 Records DK

Polybius: The Video Game That Doesn't Exist      

Lincoln Street Books

Polybius (English Edition)                      

Severed Press

Polybius: The ‘80s Arcade Killer (English Edition)