Click Over one not selected card — Flips the card, show to all users, the card is taken by the user
Click Over 2ºn card — Flips the card, show to all users, and if the pair is ok, adds 1 point to the user, if not, the cards are Fliped again at original position.
Mouse Wheel or buttons "+" "-" Makes a zoom + or - (centered at the position of the cursor).
Drag Arena — Drag the cards and move to another zone of the arena.
Home — Reset zoom and goes to start position.
Help — This page, press again to return to arena.
Each round lasts 5 minutes. The main goal is to have the highest mumber of pairs .
This is an application for educational purposes, their operation is not guaranteed at 100%
if one card is owned by another user, you can't select it until the other user releases it.'.