Is my XML word game hard enuff?

hi guys …made a xml based word game at www.flashmatics.co.uk

Would appreciate it if u cud have a look at it and let me know if it is tough enough time wise etc…also let me know if your able to complete the game ( dont want it to be too easy) if you do complete it u will get a secret code…let me know if u crack it

U have to re-arrange the jumbled word letters into their correct order by dragging them into their correct position beneath… note u have to complete each word within 60 seconds and cannot make more than 5 errors or its game over

any feedback most appreciated thanks