Europa Universalis IV is a grand strategy video game developed by Paradox Development Studio. Players explore the history of the world throughout different time periods, engaging in activities such as exploration, trade, warfare and diplomacy. The game provides a deep strategic and tactical experience that allows players to build their own unique empires through careful decision-making.

Hearts of Iron III is a grand strategy video game developed by Paradox Interactive, set in World War II. Players can choose to play as any nation from 1936 to 1948 with more than 150 countries to choose from and over 10,000 land provinces making it five times more detailed than its predecessor Hearts of Iron 2. The game provides players the ability to control the oceans with aircraft carriers, submarines and battleships as well as using their air force for defense, support naval/ground forces and bombing enemies. It also features an array of customizable options such as assigning troops to theatres on the map for two-front wars and a new economic system allowing players to buy weapons overseas. Furthermore, there are thousands of historically accurate real-world military commanders/politicians provided alongside an intelligent AI system that aids in command decision making while providing realistic interactions within the diplomatic/political system.

Crusader Kings II is a video game in which players take on the role of a great Christian dynasty from the West. The goal is to expand their influence, conquer Europe, and reclaim the Holy Land. Players will experience medieval warfare, political intrigue, dynastic struggles, and religious conflicts as they attempt to create an empire that stands the test of time. With vast customization options and numerous scenarios to choose from, Crusader Kings II offers hours of entertainment for strategy fans.

Victoria II is a grand strategy game set in the 19th century. Developed by the same team that created Europa Universalis and Hearts of Iron, it puts players in control of their own nation as they strive to become a great power by the 20th century. The game takes place during an era of absolute monarchies at the beginning of the 19th century and provides players with opportunities for expansion and colonization. It will be released in Q3 2010.

Hearts of Iron IV is a grand strategy game set during the height of World War II. Players can choose to play as one of the major superpowers, or as a smaller nation simply trying to survive. For players who want an immersive experience, they have the option to relive history and see how it unfolds with their chosen country. Alternatively, they can rewrite history by crafting their own story and making strategic decisions that could shape the future of Europe and beyond. The gameplay involves managing diplomatic relations, military forces, production capabilities and research efforts in order to win wars or secure peace deals.