https://store.steampowered.com/app/567580/Duke_of_Alpha_Centauri/
Here you can buy the key from the Duke of Alpha Centauri game at a bargain price. After purchase, you will immediately receive a key, by activating which you add Duke of Alpha Centauri to the steam library. There are collectible cards.
You can activate the game in any region.
Please leave positive review, for me it is important.
Steam