Based on the memory card game. Road Sign Search lets you play while you learn the meaning of road signs for the UK Driving Theory Test. Two decks of cards are dealt face down; one carries images of road signs and the other descriptions of road signs. You flip a card from each deck by clicking on it. You score points for a match, and lose points for a mismatch You survive if you clear the board having kept the score above 0. There are four levels of difficulty and a practice mode. Free to everyone.