• The system doesn't care about spaces or punctuation. So, don't worry about finding swaps or keys for those characters.
• Knowing what kind of code is being used is often the most helpful clue. So, keep track of your answers, they'll come in handy.
• Often times two or more different kinds of codes are used one atop the other.
• To save your place (as if you have anything better to do) just bookmark the "SAVE" url.
• Don't be afraid to get your hands dirty writing code to crack these cyphers- or bribe a brainy friend to do it for you.