The most unforgettable game? Brazil 1-7 Germany, or was it England's shootout heartache in 1990?
You will have the chance to vote on the greatest World Cup of all time in the BBC Sport website's rolling news service, Sportsday Live, from 08:00 BST on Friday.
To take part, stay with bbc.co.uk/sport throughout the day on Friday.
Here are the sub-categories you can vote on to determine if Brazil 2014 stands above all others:
- 08:00-08:30 BST Greatest goals
- 08:45-09:15 Controversies
- 09:30-10:00 Worthy contenders
- 10:15-10:45 Underdogs
- 11:00-11:30 Late drama
- 11:45-12:15 Stage for great players
- 12:30-13:00 Unforgettable match
- 13:15-13:45 Best staged
- 14:00-14:30 Overall best
On Saturday at 11:00 BST, BBC Radio 5 live will broadcast an alternative look back at this year's tournament during its World Cup Awards show.
And remember, you can watch the final between Germany and Argentina live on BBC One and on this website on Sunday - coverage starts at 19:00 BST.