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Hearts of Iron 4/HOI4 Trivia

Can you answer all these trivia questions on HOI4?
UPDATED: Quite a few questions have been overhauled, please enjoy and please leave any errors or mistakes you might notice in the comments. Thanks :)
Quiz by
KeelanB
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Last updated: November 3, 2025
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First submittedApril 21, 2023
Times taken929
Average score74.0%
Rating4.86
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Questions
Answer
Who made HOI4?
Paradox
When was HOI4 released?
2016
What is the standard amount of time for a focus?
70 days
What ideology does the UK, France and USA start as?
Democratic
What ideology does Germany, Italy and Japan start as?
Fascist
What ideology does the USSR, Mongolia, and Sinkiang start as?
Communist
What is the max level of forts you can build
10
What faction does the USSR begin the game as leader of?
Comintern
What faction can China form with the other Chinese warlords?
Chinese United Front
What nation does Germany annex via 'the Anschluss' event?
Austria
King Zog is the ruler of what European country?
Albania
Which country asks the USSR to re-militarise the Bosporous Straights?
Turkey
What can be used by other nations to covertly increase their ideology in other countries? (they can also be caught and killed)
Spies
What country can Germany establish when conquering France
Vichy France
What is the alternative start date to 1936?
1939
Who is in power of Japan at the start of the game?
Hirohito
Who is in power in Hungary at game start?
Miklós Horthy
Who can replace FDR as country leader in the 1936 presidential election if the player chooses to do so?
Alf Landon
What must the UK do within 2 years of turning communist to prevent a civil war?
Decolonize
What country's port of the game censors portraits of certain figures like Hitler and Himmler?
Germany
Operation Tannenbaum gives Germany a wargoal against which country?
Switzerland
What country does Italy start at war with?
Ethiopia
The focus 'Danzig or War' has the potential to start a war between Germany and what other country?
Poland
What empire can Turkey restore?
Ottoman Empire
Who leads the Britsh Fascist Party?
Oswald Mosley
Questions
Answer
Who can return to lead the German Empire? (once again)
Wilhelm II
Which country can prevent ^^^^'s his return to Germany?
Netherlands
Aside from Ethiopia and Aussa, what is the only other fully independent nation in Africa at the start of the game?
Liberia
What puppet does the USA have at game start?
Philippines
What is the region that Germany has the option to remilitarize?
Rhineland
Who leads Italy at game start?
Benito Mussolini
What is the mechanic of sending equipment to other countries called?
Lend-lease
Which nation can Germany make the Molotov-Rippentrop pact with?
USSR
What popular mod allows the player to play in a world where Germany won World War I?
Kaiserreich
What can fascist and communist nations create/establish in rival nations to lower their surrender limit?
Collaboration Governments
Which nation controls what is now Angola at game start?
Portugal
What is the name of the defensive line between France and Germany, made up of level 10 forts?
Maginot Line
What ships are needed to trade overseas?
Convoys
What is the name of the bear that can lead Poland?
Wojtek
What empire can Hungary restore?
Austria-Hungary
What is the name of Thailand in the game?
Siam
What territory can Germany demand off of Lithuania?
Memel
What currency is used to make political decisions, appoint advisors etc.
Political Power
What country is in control of the Suez Canal at game start?
United Kingdom
What country can be led by Francisco Franco?
Spain
What % of naval supremacy is needed to launch a naval invasion?
50%
What region does the USSR demand off of Romania?
Bessarabia
Which HOI4 popularised the "HOI4 A-Z" series? (he is also known for calling his subscribers "gravy babies"
iSorrowproductions
Which HOI4 youtuber is famous for his series on saving disaster saves? (he is also known for being 'the rambler')
Alex the Rambler
Which HOI4 youtuber is also famous for his disaster saves series but also his country guides? (he is also known for being named ater a type of metal)
Bitt3rSteel
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4 Comments
Thomiqq
+2
Level 47
Oct 26, 2024
Good quiz but the faction of the USSR is called Comintern not Cominterm
observer
+1
Level 21
Oct 25, 2025
this is way too strict bc i had the right answers but the quiz wouldnt accept them
KeelanB
+1
Level 43
Oct 26, 2025
hi, which ones in particular did you have trouble with?
DerKaiser42
+1
Level 76
Nov 13, 2025
Typed in Austro-Hungarian Empire instead of Austria-Hungary and it wouldn't take it. Also typed in Collaboration Government instead of Collaboration Governments and it wouldn't accept. Granted, I didn't think about adding an "s" on the end of it, but still a little frustrating. Otherwise fun quiz!
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