Supreme Ruler Ultimate: Steam price vs key

The regular Steam price of Supreme Ruler Ultimate is €17.99. At BuyCheapKeys the Steam key costs €13.99, €4.00 less.

The cheapest option is the BuyCheapKeys Steam key for €13.99, 22% below the regular Steam price. Instant delivery and it activates on Steam.

Yes. When you redeem the key, Supreme Ruler Ultimate is added to your Steam account with achievements, cloud saves and updates, just as if you bought it on Steam.

The lowest recorded price for the key at BuyCheapKeys is €13.99 (October 3, 2026). Today it costs €13.99.

We list Global and Europe region keys. Each BuyCheapKeys product page tells you whether it can be activated in your country before you buy.

Yes. Delivery is instant by email and in your account, we accept card, PayPal, Google Pay and Apple Pay, and every purchase is covered by a replacement or refund guarantee.

Valve rates it “Unsupported” on Steam Deck. Once the key is activated on Steam you can play it on Steam Deck just like on PC.

It has 77% positive reviews out of 1,170 on Steam (“Mostly Positive”), was released in 2014 and is developed by BattleGoat Studios. Genres: Grand Strategy, Tactical, Military, RTS.