Mailing list sign up still gives 404 error
Used coxymla's, mine is:
Uncertain if adding to Steam wishlist is a requirement or merely a suggestion.
Trying to sign up to Excalibur Games' newsletter on their website produces a 404 for me, but works regardless.
MY REF: https://wn.nr/KE3dYU
Used OP's link.
Mine is: https://wn.nr/4B7KUg