Well I've always seen games like using the last letter to make a new word.
That's too easy. Let's increase the difficulty.
What about finishing the new word with the first letter of the previous word.
Here's and example:
first word : Elephant (starting with an 'E')
Second word: Snake (ending...
similiar to the 'Word Association Game', but when someone posts a word the next poster must come up with a word to rhyme with it I'll start
edit:at each new page put a word of your own doesn't have to rhyme .
Juice
its really easy you say something the other says the opposite and then he post a new word and so on and keep it at one word .
i will get you started
dark