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Imperial Japan or Die! - Sudden Death

Click the countries in which some (or all) of their current territory was at one point under control of the Japanese empire.
Does not count if only an external territory was controlled
Quiz by
Dimby
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Last updated: October 27, 2025
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First submittedNovember 10, 2024
Times taken46,399
Average score68.4%
Rating4.65
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Sudden Death. Clicking a wrong answer ends the quiz!
Afghanistan
Bhutan
Brunei
Cambodia
Canada
China
East Timor
Indonesia
Japan
Kazakhstan
Kiribati
Madagascar
Malaysia
Maldives
Moldova
Myanmar
Nauru
Nepal
New Zealand
North Korea
Pakistan
Papua New Guinea
Peru
Philippines
Russia
Singapore
Solomon Islands
South Korea
Sri Lanka
Taiwan
Vietnam
Yemen
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50 Comments
+17
Level 88
Nov 10, 2024
I survived to kamikaze another day.
+2
Level 24
Nov 22, 2024
mongolia? mengjiang?
+11
Level 83
Nov 22, 2024
Mengjiang is “Inner Mongolia”, which is part of China.
+2
Level 65
Dec 5, 2024
NZ?
+5
Level 83
Dec 5, 2024
Nope. It’s very far away.
+4
Level 61
Dec 4, 2025
Niue, Cook Islands, and Tokelau are part of the realm of NZ and quite close to Japanese occupied islands. Tokelau in particular.

They weren't affected, but it's a plausible guess.

+3
Level 72
Oct 24, 2025
I knew it was coming lol
+4
Level 83
Oct 24, 2025
You should’ve warned me so I could’ve made it better!
+4
Level 63
Oct 24, 2025
not even a bit of Mongolia?
+2
Level 77
Nov 4, 2025
Khalkin Gol didn't work.
+10
Level 63
Oct 24, 2025
would be fun if aus and usa were there (aleutians) (some might think darwin)
+2
Level 50
Nov 4, 2025
They never controlled Darwin, just bombed it.
+5
Level 77
Nov 4, 2025
But they did control a part of Australia. (Christmas Island)
+2
Level 64
Feb 4, 2026
And USA (Guam, Northern Mariana Islands)
+1
Level 63
Mar 26, 2026
Not to mention the Aleutians.
+1
Level 79
Oct 24, 2025
100%, fun quiz
+12
Level 89
Oct 24, 2025
I get that it's sudden death, but man, the 12% who missed "Japan" must've felt pretty bad.
+2
Level 79
Oct 24, 2025
Interesting title...
+2
Level 75
Oct 25, 2025
Japanese probably did control a tiny bit of Mongolia e.g in the Tauran Incident, the Japanese won and occupied village of Tauran and surrounding areas which is now part of modern day Mongolia.
+1
Level 83
Oct 25, 2025
Maybe I should just say countries who the Japanese empire controlled at least 0.5% of the modern country. Hmm
+2
Level 81
Oct 26, 2025
Would Russia make the cut in that case? And I agree with others, parts of modern-day Mongolia were controlled by Japan thanks to invasion attempts and the borders of the country not entirely corresponding to its modern-day ones. Might be reasonable to change the country to something else.
+3
Level 83
Oct 26, 2025
I can’t find any evidence whatsoever that Japan actually occupied any amount of present-day Mongolia. Japan took Inner Mongolia, but of course that’s part of China today. At most, there were clashes in Mongolian territory that were driven out by the Russians. Japan simply didn’t EVER annex any part of modern Mongolia. Unless someone can provide actual evidence from an academic source, Mongolia stays a viable answer.
+1
Level 83
Oct 26, 2025
Also, are you sure the borders aren’t the same today as they were during WWII for Mongolia? I can’t see any changes when I look at maps. 🤔
+2
Level 81
Oct 27, 2025
Alright, apologies for not providing any sources on my initial comment. Now I've researched the topic more and I'll attempt to explain myself a bit better.

First, my claim that the Mongolian borders were a bit different was something I learned from Dekkie a while back; that was due to the ongoing Chinese Civil War and the borders not being properly defined for a good while after independence. Case in point: they included slivers of present-day Mongolia being occupied by Japan in this quiz: [1]

This "changing border" claim is evidently not something that is discussed outside of maps. Nevertheless, academic sources do prove that the border was not defined and the modern one was only adopted after WWII ([2], Bataarkhuu, Ph. D., 2023, p. 2-3)

+2
Level 81
Oct 27, 2025
This claim is also supported in this work: [3] (Bellamy; Lahnstein, 1990). It also highlights my other claim about Japan's "invasion attempts". Khalkhin Gol is a river along the Mongolia-China border that at one point, defined their border and left an area between Nomonhan and the river as disputed territory ([3], p. 20). This area is part of Modern-day Mongolia. Japanese army did engage militarily there and invaded some of it, but were pushed back to Manchuria by Soviet forces ([3], p. 30; [4] (good old Wikipedia for good measure)).

I hope I managed to explain the situation a bit clearer now, providing academic sources to back up my rambling and everything. The borders were messy in Mongolia's first years of independence, Tauran was not the only conflict related to modern-day Mongolia the Japanese engaged in, being pedantic is fun.

+1
Level 83
Oct 27, 2025
So, the question becomes... do the border clashes amount to Japan actually taking land? I mean, I can't really argue with dekkie though. No one is going to do more research than dekkie. I think I'll just use that as a guide to my answer key, especially since it's a featured quiz.
+1
Level 83
Oct 27, 2025
I updated it to make Mongolia correct. If QM prefers not to reset stats, maybe we can change out Mongolia to Maldives.
+4
Level ∞
Oct 27, 2025
I replaced Mongolia with Maldives so as not to mess up the stats and to avoid a highly debatable answer.
+1
Level 83
Oct 27, 2025
Thanks!
+1
Level 81
Oct 28, 2025
Thank you for listening to feedback! Changing the answer altogether, as I previously said, is also a better decision imo, as it clearly is very debatable. It's a whole can of worms.
+4
Level 83
Oct 26, 2025
Ok, after researching Tauran a LOT more than I wanted to, I’m not counting it. Mongolia went and planted their flag there, since it was a disputed border village that Japan claimed to own but had never even been to. This made Japan angry and they sent a small force to remove the flag. After a clash, they took down the flag. Russia told Japan to get out and the town would be considered neutral, and Japan withdrew pretty much immediately. I don’t think there’s any reason to think Japan actually “owned” Tauran. All they did was take down a Mongolian flag, fought for a day, and left.
+3
Level 75
Oct 26, 2025
Fair enough then, thanks Dimby!
+1
Level 68
Nov 4, 2025
TIL about the Japan/Mongolia border clashes and the nuances of wartime borders in the twentieth century
+1
Level 65
Oct 26, 2025
Shocked, I got that on my first try!!
+1
Level 58
Nov 4, 2025
Excellent quiz
+4
Level 59
Nov 4, 2025
As the creator of the quiz "Modern day countries of the Japanese Empire on a Map" thank goodness I got 5/5 on this quiz or I would have been ashamed.
+1
Level 58
Nov 4, 2025
Forgot Japan 🤣
+1
Level 50
Nov 4, 2025
Got all of them except Kiribati
+1
Level 83
Nov 4, 2025
Congratulations to everyone for not choosing Moldova. 0% so far. Good work JetPunkers!
+1
Level 94
Nov 4, 2025
Raise your hand if you saw "Bhutan" but read it as "Burma"...
+3
Level 66
Nov 4, 2025
The Japanese invasion of the Aleutian Islands, hence, shouldn't the U.S. be on there? I guess it was a protectorate, just like Hawaii was, but still.
+1
Level 83
Nov 4, 2025
We decided to leave off countries that would be debatable. USA would just annoy people, I think.
+1
Level 31
Nov 4, 2025
how did 12% of people miss japan
+1
Level 66
Nov 6, 2025
Most likely they clicked some other incorrect option first
+1
Level 19
Nov 13, 2025
正义必胜
+1
Level 19
Nov 13, 2025
Taiwan is a part of China. Jetpunk shouldn't list it as a country.
+3
Level 83
Nov 13, 2025
Let the people living on Taiwan decide how they want to live.
+1
Level 52
Jan 9, 2026
name countries from the japanese empire. me: definitely not japan
+2
Level 36
Jan 21, 2026
India was also under the imperial japanese occupation... the andaman and nicobar islands were under japanese occupation for a while...

Ok i read the caveat.

+1
Level 61
Mar 6, 2026
1 ATT!! 😂😂😂✌️