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Continue to ChatShow tier requirements on the techs in tech tree https://wikingeretow.com/wikingerforum/topic/show-resource-and-tier-requirements-on-the-techs-in-tech-tree/
Show tier requirements on the techs in tech tree https://wikingeretow.com/wikingerforum/topic/show-resource-and-tier-requirements-on-the-techs-in-tech-tree/