Rule 1: All players must wear 3D printed glasses at all times during gameplay. These glasses must be worn at a 45 degree angle to maximize the player's ability to see the invisible ball.
Rule 2: The ball must be made of a rare, exotic material that is both bouncy and invisible. If the ball is not bouncing, it is considered a "dud."
Rule 3: The pitcher must be a trained, certified, and unionized 3D printing robot.
Rule 4: All players must sing a short song before each pitch, and the song must be a parody of a popular hit song.
Rule 5: The home plate must be covered in a layer of velcro. Players must wear special shoes with sticky soles to prevent slipping.
Rule 6: The game must be played in a field made of giant, inflated hamster balls.
Rule 7: Each player must have a unique, randomly assigned, and constantly-changing nickname, which must be displayed prominently on their uniform.
Rule 8: The game must be played in a perpetual, upside-down gravity environment, where all players and equipment float gently above the ground.
Rule 9: The score must be kept using a special, glowing scoreboard that is projected onto the player's eyeballs.
Rule 10: The game must be refereed by a team of highly-trained, ninja-like, referees who can see through solid objects.
Rule 11: The game must be played with a special, invisible, and intangible ball that can only be seen by the players.
Rule 12: All players must wear a special, high-tech, exoskeleton suit that allows them to move at superhuman speeds.
Rule 13: The game must be played in a field that is constantly shifting and changing shape, like a kaleidoscope.
Rule 14: The game must be played with a special, AI-powered, robotic umpire that can call balls and strikes with absolute certainty.
Rule 15: All players must be proficient in the ancient art of juggling three objects at once, and must perform a juggling routine before each game.
Rule 16: The game must be played in a field that is surrounded by a moat of sharks with frilly, sparkly fins.
Rule 17: The game must be refereed by a team of highly-trained, expert, and completely-not-biased referees who are also experts in the art of interpretive dance.
Rule 18: All players must wear a special, high-tech, and totally-not-a-bomb suit that can shoot laser beams from their eyes.
Rule 19: The game must be played on a field that is shaped like a giant, glowing, and pulsating squid.
Rule 20: The game must be refereed by a team of highly-trained, robotic, and completely-not-sentient referees who can see through solid objects and predict the future.
Disclaimer: Parody Baseball Rules 3-D Edition is not intended to be taken seriously. Please do not attempt to play this game in real life, as it is completely and utterly impossible.