Why play?
Well... you obviously like football and, just like in the old days, you should collect stickers of players taking part in World cup tournament.
All you have to do is click on the button in the lower right part of the screen when in shows up. It will show up every 4 hours. Maybe even more, log in and find out ;)
Collect stickers of ALL National team players (not just first teams) during World cup in Russia.
Totally free of charge, take control of your album and collect them all.
The only thing you have to do is be regular at collecting your stickers every day.
Keep an eye out for promo days and collect extra stickers and by sharing.