Hi GeminiPower.

On Steam I get this message:

A Steam Product code you activated has been removed from your account.

6 Oct, 2017
Urban War Defense

Your recent Product code activation has been revoked due to a problem processing payment for this item. The games associated with this product code can no longer be played as a result. This could be due a problem with the payment methods you used to acquire this item from a third-party seller; or a problem with how the third-party seller acquired the Product code. Please contact the seller you acquired the Product code from for assistance.

If you would like to purchase the item, please visit the Steam Store. Otherwise you may choose to delete the local content associated with these games.