Play the game (matching pairs) to win an even bigger discount code to shop sale items.
Simply match all the pairs and your unique code will appear.
I just got 20% off by playing, then 25%, then 15%.
Just clear your cookies/browsing data to play again.
Or use incognito/private browsing mode - link tells you how to if you don't know: http://www.computerhope.com/issues/ch001378.htm
TERMS & CONDITIONS
*Enter code at checkout.
One order per customer up to £500 (pre-discount).
Not valid with other promo codes or on gift vouchers, optional delivery charges, ASOS Marketplace or ASOS Premier subscription.