To unlock the Opening Shield, players must complete the Steampunk Tales sticker set in the Movie Night sticker album. This means collecting all the required Monopoly Go Stickers for this set before the Movie Night season ends.

Steps to Unlock the Opening Shield:

    Collect Movie Night Stickers – Participate in tournaments, milestone events, and mini-games like Cash Treasures and Vine Dash to earn sticker packs.

    Complete the Steampunk Tales Set – This set contains a mix of common and rare stickers. Some may be difficult to obtain through regular gameplay.

    Trade Stickers with Friends – If you have duplicates or need missing stickers, use the in-game trading feature to exchange them with friends.

    Buy Monopoly GO Stickers – If you're struggling to find specific stickers, you can explore purchasing options to complete your collection faster.

Once you've collected all the stickers in Steampunk Tales, the Opening Shield will automatically unlock, and you can apply it to cheapest Monopoly Go Stickers your landmarks' defenses.