| Taken | Quiz |
|---|
| 1,915 | Provinces of Poland |
| 1,908 | Countries Closest to Yugoslavia |
| 1,902 | Provinces (Voivodeships) of the Polish-Lithuanian Commonwealth with a Map |
| 1,887 | Capitals of former Yugoslavian countries |
| 1,888 | Russian Premier League Top 4 |
| 1,880 | Military Invasions and Occupations by the Soviet Union |
| 1,860 | Croatia Country Quiz |
| 1,843 | Countries that Formed the Soviet Union |
| 1,842 | Cyrillic letters and their Latin equivalences |
| 1,831 | Yugoslavian Countries Today (Europe Map) |
| 1,826 | All 50k+ Cities in Croatia with a Map |
| 1,815 | Most Visited Countries by Russians |
| 1,801 | All 50k+ Cities in Albania with a Map |
| 1,799 | Top 10 biggest cities in Romania on a Map |
| 1,794 | All 50k+ Cities in Belarus with a Map |
| 1,788 | Every 100k+ European Russian City on a Map |
| 1,771 | Counties of Romania |
| 1,732 | Former USSR Cities over 1 Million Population |
| 1,727 | Countries Closest to Kosovo |
| 1,719 | Cities in Montenegro |
| 1,698 | Russian Revolution |
| 1,689 | Countries that Boycotted the 1980 Moscow Olympics |
| 1,675 | Serbian Empire And Present Day Countries - Serbian History |
| 1,665 | Albanian-speaking countries |
| 1,658 | All Polish LEC / EU LCS Players |
| 1,654 | Hungary Country Quiz |
| 1,654 | Countries Closest to Estonia |
| 1,642 | Top 100 Biggest Cities In Balkan Countries |
| 1,630 | All 50k+ Cities in Slovakia with a Map |
| 1,611 | Countries closest to Serbia |
| 1,603 | Biggest Cities in the Former Soviet Union |
| 1,596 | Languages of Ukraine on a Map |
| 1,584 | Ethnic groups of Romania according to the 1930 census |
| 1,579 | Districts Of Kosovo On A Map |
| 1,578 | Languages of Slovakia (with map) |
| 1,573 | Cities of Ukraine |
| 1,566 | Romania Country Quiz |
| 1,547 | Belarus... or Ukraine? |
| 1,532 | Languages of Serbia Quiz (with map) |
| 1,519 | Countries Closest to Bulgaria |
| 1,513 | Countries Closest to Serbia |
| 1,508 | Biggest Trading Partners - Serbia |
| 1,506 | Russian Geography on a Map |
| 1,504 | Countries that Bordered the Russian Empire in 1905 on a Map |
| 1,502 | Countries of the Russian Empire |
| 1,498 | What countries border Latvia? |
| 1,488 | Random Serbian Words |
| 1,485 | 30 Biggest Cities in Bosnia and Herzegovina |
| 1,480 | Biggest Slavic Cities |
| 1,479 | USSR Leaders |
| 1,474 | All 50k+ Cities in the Czech Republic with a Map |
| 1,457 | Languages of Kosovo (with map) |
| 1,454 | Belarus Country Quiz |
| 1,453 | Croatia Football Team World Cup Starting XI |
| 1,452 | Languages of Albania Quiz (with map) |
| 1,450 | Countries mentioned in the Wikipedia Page of Russia |
| 1,439 | Biggest islands in Croatia |
| 1,436 | Capitals of the Former Soviet Union Countries |
| 1,432 | Poland Euro 2012 Squad |
| 1,412 | Ukrainian Refugees by Country |
| 1,398 | Biggest Cities in Latvia |
| 1,393 | Poland Country Quiz |
| 1,387 | Ukraine A-Z |
| 1,380 | Regions (krajs) of Czech Republic |
| 1,376 | Serbia country quiz |
| 1,366 | Counties of Albania Map Quiz |
| 1,364 | Kings of Poland |
| 1,364 | Capitals of the Balkans - Map Quiz |
| 1,360 | Slavic Ethnic Groups |
| 1,359 | Monarchs of Hungary |
| 1,347 | Click to Translate - Czech |
| 1,341 | Rivers of Russia |
| 1,342 | Every 100k+ City in Poland on a Map |
| 1,325 | Countries Closest to Moldova |
| 1,319 | Largest Cities in the Baltic States on a Map |
| 1,313 | Ukraine Immigration by Country |
| 1,310 | Languages of Montenegro Quiz (with map) |
| 1,310 | Bulgaria Immigration by Country |
| 1,306 | Countries Bordering Russia - Map Quiz |
| 1,304 | Ethnic Groups In The Soviet Union |
| 1,294 | Countries Kraków has been in |
| 1,293 | Every 100k+ City in Ukraine on a Map |
| 1,282 | Most Populous Cities in North Macedonia |
| 1,281 | Every 250K+ City In Russia On A Map |
| 1,265 | Municipalities of Croatia on a Map |
| 1,264 | Former USSR State Capitals |
| 1,260 | Countries Closest to Latvia |
| 1,255 | Random Czech Words |
| 1,256 | 50 Biggest Cities in the Balkan Peninsula on a Map |
| 1,249 | Lithuanian cities |
| 1,246 | Diaspora-Serbia |
| 1,228 | Slovakia Immigration by Country |
| 1,221 | Alphabet of Croatian famous people |
| 1,206 | All Slovak cities quiz |
| 1,204 | TV Shows by Scene - Picture Quiz |
| 1,195 | Biggest Trading Partners - Poland |
| 1,192 | Municipalities of Bulgaria on a Map |
| 1,181 | Subdivisions of the Kingdom of Hungary in 1490 with a Map |
| 1,179 | Countries Closest to Slovakia |
| 1,170 | Geography of the Soviet Union |
| 1,167 | Poland 2018 FIFA World Cup Squad |
| 1,166 | Serbia 2022 FIFA World Cup Squad |
| 1,165 | Estonia Country Quiz |
| 1,164 | Biggest Cities in Albania Quiz |
| 1,164 | Languages of Croatia Quiz (with map) |
| 1,157 | Poland 2022 FIFA World Cup Squad |
| 1,144 | Successor countries of the Austro-Hungarian Empire |
| 1,143 | Bulgaria Country Trivia Quiz |
| 1,132 | Biggest Trading Partners - Romania |
| 1,129 | Biggest Cities in Slovenia on a Map |
| 1,127 | Countries Russia and the Soviets Invaded, Occupied or Fought |
| 1,126 | Raions of Ukraine on a Map |
| 1,125 | Famous Football Players Picture Quiz - Serbia |
| 1,117 | Popular Serbian and Croatian Male Names |
| 1,117 | The Soviet Union (USSR) |
| 1,104 | 2018 World Cup - Russian Host Cities (with a map) |
| 1,101 | Most Visited Countries by Bulgarians |
| 1,100 | States of the Kievan Rus' in 1230 with a Map |
| 1,096 | Serbia Country Quiz |
| 1,086 | Countries that Visit Slovakia the Most |
| 1,086 | Biggest Cities in Yugoslavia (with map) |
| 1,083 | 50 Biggest Cities in Czech Republic Map Quiz |
| 1,080 | Yugoslavia country quiz |
| 1,078 | Countries Closest to Lithuania |
| 1,069 | Hungary by Picture |
| 1,066 | Biggest lost and gained cities by Poland after WW2 |
| 1,065 | Geographically Eastern Europe |
| 1,064 | Croatia World Cup 2014 squad |
| 1,061 | Czech Republic Immigration by Country |
| 1,058 | Biggest city in the Lesser Poland Voivodeship (Największe miasta małopolski) |
| 1,054 | Click the Country - Eastern Europe |
| 1,045 | Languages of Slovenia Quiz (with map) |
| 1,040 | Republics of Russia |
| 1,038 | Biggest Cities in Russia (With a Map) |
| 1,039 | Ekstraklasa Champions |
| 1,035 | Counties of Hungary (With a Map) |
| 1,028 | Biggest Cities In Russia - Extreme |
| 1,025 | Countries Mentioned in the Wikipedia Page of Poland |
| 1,025 | History of Poland Quiz |
| 1,023 | Croatia Euro 2020 Squad |
| 1,019 | Hungary Country Quiz |
| 1,015 | The Flag of Russia Timeline Map Quiz |
| 1,014 | Famous Polish People on Pictures |
| 1,008 | All Countries that Ever Conquered Moscow |
| 1,006 | Click to Translate - Croatian |
| 1,005 | Counties (Županije) of Croatia |
| 1,005 | North Macedonia Country Quiz |
| 999 | Croatian rivers |
| 998 | Russian Groups of Things |
| 998 | Most Visited Countries by the Czech |
| 994 | Modern-Day Countries of the Polish-Lithuanian Commonwealth |
| 992 | Belgrade City Quiz |
| 987 | History of Ukraine Quiz |
| 982 | Allies of Russia in the Russia-Ukraine War |
| 980 | Romania Country Quiz |
| 978 | Former Municipalities of Latvia with a Map |
| 978 | Most military aid pledged to Ukraine as a percentage of GDP |
| 975 | Biggest Slavic Cities With An Exception |
| 970 | Countries inside the shape of Russia on a World Map |
| 969 | Counties of Hungary |
| 968 | Countries Closest to Bulgaria - One Minute Sprint |
| 968 | Click to Translate - Ukrainian |
| 962 | Kosovo Country Quiz |
| 962 | Municipalities of Estonia on a Map |
| 948 | Biggest Cities in Czechia with a Map (extreme) |
| 947 | The United Kingdom... or Ukraine? |
| 945 | Croatia 1998 squad |
| 935 | Countries Closest to Russia A-Z |
| 920 | Baltic Sea General Knowledge |
| 918 | Polish football (soccer) Ekstraklasa champions (2001-2016) |
| 917 | Every 100k+ Eastern European City on a Map with Exceptions |
| 915 | Countries that do NOT recognize Kosovo's independence |
| 912 | Click to Translate - Bulgarian |
| 901 | Countries Closest to Poland - Map Quiz |
| 896 | WWII Tanks - Soviet Union |
| 896 | Chernobyl Quiz |
| 895 | Counties (Powiats) of the Polish-Lithuanian Commonwealth on a Map |
| 891 | Municipalities/Cities of Serbia |
| 888 | Balkan Geography Quiz |
| 886 | Countries Closest to Montenegro |
| 877 | Russian Geography A-Z |
| 874 | Countries Visiting Bosnia and Herzegovina the Most |
| 872 | Largest cities of Eastern Europe on a Map |
| 872 | Biggest Cities in Modern-Day Soviet Union with an Exception |
| 870 | Russian Monarchs Quiz |
| 869 | Countries Closest to North Macedonia |
| 869 | Biggest Cities in the Balkans on a Map |
| 868 | Famous Football Players Picture Quiz - Croatia |
| 865 | Capitals of Russian Federal Subjects |
| 864 | Countries Closest to Russia (with a map) |
| 863 | Counties of Estonia Map Quiz |
| 863 | Click to Translate - Albanian |
| 862 | Countries bordering Romania |
| 860 | Closest Countries to Romania |
| 853 | Oblasts of Ukraine - Map Quiz |
| 852 | Serbian Football Superleague Teams |
