Ship Simulator Extremes not accepting key

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timmyraa

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May 11, 2020
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I bought Ship Simulator Extremes through G2A for Steam, but when I start the game, it's not accepting the key I provide - it says it's an invalid key. Can anyone advise/help? It looks like it's a common issue, but no real common resolution.
 

AndrewT

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It does have a common resolution. Please lodge a support ticket at paradox.zendesk.com and supply the problem key in there. Thanks.