Englisch > Deutsch Marketing Spiele/Videospiele/Computerspiele/Kasino Greeting in Promotional Message for Online Casino

This is the closing sentence for a promotional e-mail that is sent by an online casino to its customers. They are invited to make use of its special Halloween offers and throughout the message, there are references to Halloween in the form of expressions such as 'Mystery Monster bonus offer', 'ward off evil spirits with our bonus', 'Halloween is creeping up fast', 'make sure you stay out of the dark ... - no tricks, all treats', 'ghastly goodie bag' and so on...

I managed to translate some of these in a similar fashion but as to the 'spooktacular' - I'm at my wits' end. I tend to render it just as 'spectacular' and loose the play on words in German but perhaps some of the esteemed colleagues have an early-morning flash of inspiration and can think of something similar Halloweenish in German...