The iconic Hammer Jam event returns to Clash of Clans this November 1st, 2025, signalling that something massive is on the horizon. Well, that something is nothing but the mega Town Hall 18 update coming at the end of the year, and there’s a lot in store for us, even before the new TH level goes live.
What to expect from the Hammer Jam 2025 event in Clash of Clans
If you’ve been playing for a while, you know the drill. Hammer Jam traditionally offers huge discounts on upgrade costs and times. Before the next big reveal drops, Hammer Jam gives players a perfect chance to prepare their bases for what’s coming.
Although exact details for 2025 haven’t been shared yet, previous editions have included 50% reductions on building upgrades, faster resource production, and special shop bundles packed with value. This year’s event could follow a similar pattern.
Tips for the Hammer Jam 2025 event in Clash of Clans
To make the most of Hammer Jam 2025, start by focusing on shorter upgrades first. This helps you maximize the discounts and finish multiple upgrades quickly. Save the longer ones for later in the event when your builders are free.
Keep one builder reserved for walls, since they’re usually the most expensive part of your base. Use the extra resources you earn during the event to upgrade your defenses. Builder and Research Potions are especially useful now, as they speed up upgrades significantly. You can grab them using gems or from the Clan War League shop for extra value.
As for Books of Building or Everything, save them for after the event to instantly complete post-Hammer Jam upgrades, especially if you plan to move straight to Town Hall 18. Make sure to keep your Laboratory running at all times and take advantage of any resource boosts that might arrive during the event.
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