So no gameplay altering mod may be active and the game files must not be corrupted or modified in a different way. The game files must have the correct checksum for the game version.To gain achievements one needs to play in ironman and also obey the following requirements(ironman itself is still possible even when not fulfilling these requirements): The below list groups the various achievements by a difficulty level as assessed by the wiki editors (uncategorized - UC - achievements haven't been assessed yet). taking all of Asia's grassland as Kale before the age of absolutism). signing a royal marriage with another country), while some are extremely difficult (e.g.
The difficulty of each achievement varies some achievements are very easy (e.g. It is possible to see the achievements sorted by the percentage of users that managed to complete each achievement by going to the game's global achievements at Steam (for more precise numbers one can use the Steam web API). Achievements have no in-game effects the achievement just pops up in-game and then added to the player's Steam profile. Please help with verifying or updating older sections of this article.Īt least some were last verified for version 1.34.įor tips and tricks on how to complete an achievement, see the achievements category.ĮU4 has 354 different achievements, all using the Steam achievements mechanics.