The symbols font Wingdings is quite a distinctive font, which makes it good for encoding treasure hunt clues as the hunters are quite likely to recognise the symbols. Write the clue out in a program such as Microsoft Word and then print or copy out the symbols to give to the hunters.
Most likely the hunters will have to write out the alphabet in Wingdings and use that as a decryption key to decode the message.
![Alphabet using wingdings](https://www.treasure-hunt-ideas.co.uk/wp-content/uploads/2023/12/wingdings.png)