Clash of Clans Hammer Jam event (November 2025): Schedule and event details revealed

Game-affiliated content creators have begun to reveal details about the upcoming Clash of Clans Hammer Jam event. This event usually appears before a new Town Hall launch, so players can expect the Town Hall 18 launch soon after the event ends.In this article, we will discuss every detail about the Clash of Clans Hammer Jam event of November 2025. Read on to learn more.Clash of Clans Hammer Jam event (November 2025): Everything you need to knowThe Clash of Clans Hammer Jam event will be live from November 1, 2025, to November 17, 2025. The developer has announced a 50% upgrade cost reduction for all updates, excluding temporary ones, such as Supercharges and Crafted Defenses.The developer also announced a 50% reduction in all update times, making it easier for gamers to upgrade their villages to maximum levels ahead of the rumored Town Hall 18 launch.Also read: COC Star Chaser event detailsTo make the most of this event, players must try to keep their resources full at all times. This is because you must upgrade your buildings constantly to upgrade your base to its maximum level before November 17, 2025. The developer has also announced a 2x resource production and storage increase during the Clash of Clans Hammer Jam event to help the community.A few tips for the Clash of Clans Hammer Jam eventThe COC Hammer Jam event of November 2025 brings plenty of perks for the community. However, you must move strategically to get the most out of this event.Also read: How to get 100 free Gems in Clash of ClansHere are some tips you can follow:Make sure you keep your builders free to use all your extra resources on Wall upgrades.Since the Builder and Research Potion provide double the value during this event, use them wisely to get a significant boost on upgrade time.Upgrade your resource collectors to their maximum levels. This way, you will get plenty of resources just by collecting Gold, Elixir, and Dark Elixir from them.According to the official November event calendar, Clan War League is also arriving alongside Hammer Jam in November 2025, along with a new, yet-to-be-announced Community Event. So, if you stay active in the game during this time, you can loot abundant resources so that upgrades become easier.