A grand strategy like no other The creators behind Crusader Kings and Europa Universalis present the Stellaris: Nemesis key, meant to enhance your Stellaris experience! This path to complete dominion is further enhanced by these features: • You are the crisis. Stellaris: Nemesis game features With the Stellaris: Nemesis key you’re getting the option not only to make impactful decisions but to become the ultimate civilization. Being the Galactic Custodian means either balancing between chaos and control or just completely tipping the scales to one or another, depending on your plans..