https://stopthetsunami-wiki.wiki/guides/beginner-defense/2026-11-14T20:15:45Zhttps://i.f-image.com/images/77c27dde-5275-4a8a-a128-faffef1bad46.jpgBuild your first wall and start a roundClaim the daily rewards, raise one continuous packed sand wall, cut a trench, and only then press START ROUND. https://stopthetsunami-wiki.wiki/guides/walls-trenches-materials/2026-11-14T20:15:46Zhttps://i.f-image.com/images/77c27dde-5275-4a8a-a128-faffef1bad46.jpgWalls, trenches, and late-game materialsCover the whole approach with a thick packed wall and a trench, then extend that line as each cleared stage widens the beach. https://stopthetsunami-wiki.wiki/guides/machine-upgrade-order/2026-11-14T20:15:46Zhttps://i.f-image.com/images/77c27dde-5275-4a8a-a128-faffef1bad46.jpgSpend coins on the next useful machineFollow the published ladder from toy spade to dump truck, and spend the shared wallet on the job your current defense is failing. https://stopthetsunami-wiki.wiki/guides/coop-roles/2026-11-14T20:15:47Zhttps://i.f-image.com/images/77c27dde-5275-4a8a-a128-faffef1bad46.jpgSplit dig, drive, and patch in co-opShare one coin wallet and split the server into digger, driver, and mid-wave patcher before anyone presses START ROUND. https://stopthetsunami-wiki.wiki/guides/difficulty-and-rewind/2026-11-14T20:15:47Zhttps://i.f-image.com/images/77c27dde-5275-4a8a-a128-faffef1bad46.jpgWhen to leave Easy for Medium or HardEasy, Medium, and Hard use the same defense actions. Move up when your wall holds a wider beach, not because the mode name sounds next.