The SNES version of this game has a hidden message in its code. The message is as follows.

WELCOME!
SO, YOU HAVE FOUND THE
THE SPECIAL CREDITS PAGE
FOR WORMS!
THE FOLLOWING MESSAGES PAY
TRIBUTE TO THE MANY FINE
PEOPLE WHO WORKED SO
INCREDIBLY HARD TO BRING
THIS PRODUCT TO YOU.
WITHOUT THEIR HELP I WOULD
HAVE BEEN DESTROYED BY
THE ENORMOUS PRESSURE.
ANYWAY, ENOUGH!!
ON WITH THE CREDITS.
FIRST UP ARE MY WORK
COLLEAGUES
RUSSELL RITCHIE,
FOR HIS BELIEF IN ME.
GAVIN HARWOOD,
FOR ANY HELP NEEDED.
NEIL BERESFORD,
FOR KEEPING AWAY.
ROY STEWART,
FOR 17X17 SPRITES.
ADAM BEAMISH,
FOR NOTHING.
AND,
JOHN ELLERBY,
FOR BEING OLD AND WISE
BIG HELLOS MUST GO TO:
MY MOTHER, FATHER,
MY THREE SISTERS,
MY MOTHER-IN-LAW TO BE,
MY FATHER-IN-LAW TO BE,
MY SISTER-IN-LAW TO BE,
MY BROTHER-IN-LAW TO BE,
JUTTY, MARTYN, BARRY,
AND ANY OTHER FRIENDS
I HAVE FORGOTTEN ABOUT.
THIS GAME IS DEDICATED
TO LISA ROSE
SHE IS THE ONE LOVE OF
MY LIFE,
(AFTER PROGRAMMING)
AND SHE IS SOON TO BE
MY WIFE.
I'M MAD ABOUT HER
AND WANT TO BE WITH
HER ALWAYS.
Contributed by Psychospacecow