When was The Spell of Seven created?

There is no evidence that a game or story called "The Spell of Seven" exists. It is possible that you are misremembering the name or that it is a very obscure work.

Could you provide more context or details? For example:

* What type of media is it (game, book, movie)?

* What genre is it (fantasy, horror, etc.)?

* Do you remember any specific details about the plot or characters?

With more information, I might be able to help you find what you are looking for.