Friends in steemit, @blocktrades often sponsor this kind of community engagement project and @anomadsoul & @acidyo know a lot that Steemian likes games that are huge prizes. To participate, you must make a post picking each winner out of the next 4 matches and you must enter your chosen score in these 4 games in Regual time (only the first 90 minutes):
Uruguay vs France
Brazil vs Belgium
Sweden vs England
Russia vs Croatia
This is my prediction for the contest
Submit contest entries until 4 July 2018 at 16:59, UTC + 3 Time zone.