Paradox Interactive today released a quiz for Supreme Ruler 2020, the strategy game sequel due to be available in North America starting June 17th, 2008. Supreme Ruler 2020 is a strategy game which promises to combine political, diplomatic, economic and military strategy elements to immerse players in the ultimate geo-political wargame/simulation. Developed by BattleGoat Studios, Supreme Ruler 2020 will be shipping to stores across Europe on June 20.