The developers made it so that players can create mods using simple text editors. Paradox engineered two game engines named Europa and Clausewitz. The gameplay was based from 1492 to 1801 and featured a number of actual historical events. Europa Universalis was first released in 2000. This studio has developed many other grand strategy game series like Victoria, Hearts of Iron, Crusader Kings, Stellaris, and Rome. This game was developed by Paradox Development Studio. Europa Universalis IV is the fifth installment in the Europa Universalis series of video games. It is a grand strategy video game that features historical events. Europa Universalis IV was released on August 13, 2013.