What we did
The icebreaker stage used to offer one game: Hangman. Now there is a second one — Sprint in one GIF. Everyone answers the round question with an animation, and the answers open together.
Pick the game when you create the board, in the same place where the icebreaker itself is switched on.
How a round goes
The host starts the round, and everyone sees the same question — for example, "Pick a GIF that sums up this sprint for you". Each participant searches for a GIF or uploads a picture of their own.
While the team is choosing, nobody sees anyone else's answer: the board only shows how many people are ready.

When everyone is in, the host reveals the round — or starts the board timer, and the answers open by themselves when it runs out. Only then does the board turn into a wall of pictures with names next to them, and the team has something to talk about before the first card is written.

After the reveal you can run another round with a different question, or move the board on to collecting cards.
Why it matters
The hardest part of a retrospective is the first minute — someone has to speak first, and in a team that had a rough sprint nobody wants to be that person. A picture is easier than a sentence: it says something honest about the sprint without anyone having to phrase it, and it makes the room laugh before the difficult topics start.
Hidden answers are the point. When picks are visible as they arrive, the later ones drift toward the earlier ones. Opening everything at once keeps the round honest, and gives the team four or five different readings of the same sprint to start from.