| Taken | Quiz |
|---|
| 1,964 | Longest rivers in Poland |
| 1,951 | Russian Premier League Top 4 |
| 1,941 | Provinces (Voivodeships) of the Polish-Lithuanian Commonwealth with a Map |
| 1,933 | Countries Closest to Yugoslavia |
| 1,916 | Provinces of Poland |
| 1,899 | Military Invasions and Occupations by the Soviet Union |
| 1,897 | Croatia Country Quiz |
| 1,895 | Capitals of former Yugoslavian countries |
| 1,864 | All 50k+ Cities in Croatia with a Map |
| 1,854 | Cyrillic letters and their Latin equivalences |
| 1,852 | All 50k+ Cities in Albania with a Map |
| 1,851 | Countries that Formed the Soviet Union |
| 1,841 | All 50k+ Cities in Belarus with a Map |
| 1,840 | Yugoslavian Countries Today (Europe Map) |
| 1,837 | Most Visited Countries by Russians |
| 1,824 | Top 10 biggest cities in Romania on a Map |
| 1,810 | Every 100k+ European Russian City on a Map |
| 1,775 | Countries Closest to Kosovo |
| 1,774 | Counties of Romania |
| 1,743 | Former USSR Cities over 1 Million Population |
| 1,730 | Cities in Montenegro |
| 1,725 | All Polish LEC / EU LCS Players |
| 1,717 | Russian Revolution |
| 1,700 | Countries that Boycotted the 1980 Moscow Olympics |
| 1,700 | Countries Closest to Estonia |
| 1,683 | Albanian-speaking countries |
| 1,683 | Serbian Empire And Present Day Countries - Serbian History |
| 1,677 | Top 100 Biggest Cities In Balkan Countries |
| 1,674 | All 50k+ Cities in Slovakia with a Map |
| 1,666 | Districts Of Kosovo On A Map |
| 1,659 | Hungary Country Quiz |
| 1,634 | Biggest Cities in the Former Soviet Union |
| 1,622 | Languages of Ukraine on a Map |
| 1,621 | Countries closest to Serbia |
| 1,613 | Languages of Slovakia (with map) |
| 1,612 | Ethnic groups of Romania according to the 1930 census |
| 1,585 | Belarus... or Ukraine? |
| 1,583 | Languages of Serbia Quiz (with map) |
| 1,578 | Romania Country Quiz |
| 1,576 | Cities of Ukraine |
| 1,556 | Countries Closest to Bulgaria |
| 1,548 | Countries Closest to Serbia |
| 1,541 | Countries that Bordered the Russian Empire in 1905 on a Map |
| 1,528 | Biggest Trading Partners - Serbia |
| 1,523 | Russian Geography on a Map |
| 1,523 | Croatia Football Team World Cup Starting XI |
| 1,520 | Countries of the Russian Empire |
| 1,509 | All 50k+ Cities in the Czech Republic with a Map |
| 1,505 | Random Serbian Words |
| 1,502 | What countries border Latvia? |
| 1,497 | Languages of Kosovo (with map) |
| 1,497 | 30 Biggest Cities in Bosnia and Herzegovina |
| 1,495 | Languages of Albania Quiz (with map) |
| 1,494 | USSR Leaders |
| 1,493 | Biggest Slavic Cities |
| 1,473 | Belarus Country Quiz |
| 1,465 | Countries mentioned in the Wikipedia Page of Russia |
| 1,447 | Biggest islands in Croatia |
| 1,441 | Capitals of the Former Soviet Union Countries |
| 1,441 | Poland Euro 2012 Squad |
| 1,427 | Regions (krajs) of Czech Republic |
| 1,426 | Ukrainian Refugees by Country |
| 1,412 | Counties of Albania Map Quiz |
| 1,408 | Biggest Cities in Latvia |
| 1,405 | Ukraine A-Z |
| 1,402 | Poland Country Quiz |
| 1,396 | Click to Translate - Czech |
| 1,388 | Slavic Ethnic Groups |
| 1,388 | Capitals of the Balkans - Map Quiz |
| 1,380 | Serbia country quiz |
| 1,378 | Monarchs of Hungary |
| 1,373 | Kings of Poland |
| 1,367 | Every 100k+ City in Poland on a Map |
| 1,351 | Languages of Montenegro Quiz (with map) |
| 1,348 | Rivers of Russia |
| 1,348 | Countries Closest to Moldova |
| 1,340 | Largest Cities in the Baltic States on a Map |
| 1,336 | Bulgaria Immigration by Country |
| 1,328 | Countries Bordering Russia - Map Quiz |
| 1,326 | Ethnic Groups In The Soviet Union |
| 1,322 | Ukraine Immigration by Country |
| 1,310 | Every 100k+ City in Ukraine on a Map |
| 1,308 | Lithuanian cities |
| 1,306 | Municipalities of Croatia on a Map |
| 1,303 | Countries Kraków has been in |
| 1,300 | Most Populous Cities in North Macedonia |
| 1,293 | 50 Biggest Cities in the Balkan Peninsula on a Map |
| 1,288 | Every 250K+ City In Russia On A Map |
| 1,285 | Countries Closest to Latvia |
| 1,280 | Former USSR State Capitals |
| 1,268 | Random Czech Words |
| 1,259 | Diaspora-Serbia |
| 1,249 | Municipalities of Bulgaria on a Map |
| 1,241 | TV Shows by Scene - Picture Quiz |
| 1,239 | Slovakia Immigration by Country |
| 1,229 | All Slovak cities quiz |
| 1,227 | Biggest Trading Partners - Poland |
| 1,226 | Alphabet of Croatian famous people |
| 1,216 | Countries Closest to Slovakia |
| 1,214 | Subdivisions of the Kingdom of Hungary in 1490 with a Map |
| 1,203 | Languages of Croatia Quiz (with map) |
| 1,193 | Serbia 2022 FIFA World Cup Squad |
| 1,186 | Geography of the Soviet Union |
| 1,183 | Poland 2022 FIFA World Cup Squad |
| 1,181 | Estonia Country Quiz |
| 1,172 | Poland 2018 FIFA World Cup Squad |
| 1,171 | Biggest Cities in Albania Quiz |
| 1,154 | Biggest Trading Partners - Romania |
| 1,154 | Successor countries of the Austro-Hungarian Empire |
| 1,146 | Famous Football Players Picture Quiz - Serbia |
| 1,146 | Biggest Cities in Slovenia on a Map |
| 1,146 | Bulgaria Country Trivia Quiz |
| 1,143 | Raions of Ukraine on a Map |
| 1,139 | Countries Russia and the Soviets Invaded, Occupied or Fought |
| 1,138 | The Soviet Union (USSR) |
| 1,135 | States of the Kievan Rus' in 1230 with a Map |
| 1,126 | Popular Serbian and Croatian Male Names |
| 1,123 | 50 Biggest Cities in Czech Republic Map Quiz |
| 1,122 | Biggest Cities in Yugoslavia (with map) |
| 1,123 | Counties of Hungary (With a Map) |
| 1,115 | Most Visited Countries by Bulgarians |
| 1,115 | 2018 World Cup - Russian Host Cities (with a map) |
| 1,107 | Serbia Country Quiz |
| 1,100 | Countries Closest to Lithuania |
| 1,095 | Countries that Visit Slovakia the Most |
| 1,092 | Ekstraklasa Champions |
| 1,090 | Czech Republic Immigration by Country |
| 1,089 | Yugoslavia country quiz |
| 1,083 | Hungary by Picture |
| 1,081 | Languages of Slovenia Quiz (with map) |
| 1,077 | Geographically Eastern Europe |
| 1,076 | Biggest lost and gained cities by Poland after WW2 |
| 1,072 | Click the Country - Eastern Europe |
| 1,071 | Croatia World Cup 2014 squad |
| 1,064 | Biggest city in the Lesser Poland Voivodeship (Największe miasta małopolski) |
| 1,046 | Biggest Cities in Russia (With a Map) |
| 1,044 | Croatia Euro 2020 Squad |
| 1,042 | Republics of Russia |
| 1,042 | Countries Mentioned in the Wikipedia Page of Poland |
| 1,041 | Famous Polish People on Pictures |
| 1,040 | Hungary Country Quiz |
| 1,038 | Biggest Cities In Russia - Extreme |
| 1,035 | History of Poland Quiz |
| 1,032 | The Flag of Russia Timeline Map Quiz |
| 1,026 | Click to Translate - Croatian |
| 1,021 | All Countries that Ever Conquered Moscow |
| 1,020 | North Macedonia Country Quiz |
| 1,014 | Modern-Day Countries of the Polish-Lithuanian Commonwealth |
| 1,011 | Most Visited Countries by the Czech |
| 1,008 | Counties (Županije) of Croatia |
| 1,007 | Croatian rivers |
| 1,006 | Belgrade City Quiz |
| 1,005 | Russian Groups of Things |
| 1,004 | Allies of Russia in the Russia-Ukraine War |
| 1,000 | History of Ukraine Quiz |
| 995 | Most military aid pledged to Ukraine as a percentage of GDP |
| 995 | Click to Translate - Ukrainian |
| 993 | Romania Country Quiz |
| 985 | Countries inside the shape of Russia on a World Map |
| 984 | Municipalities of Estonia on a Map |
| 983 | Former Municipalities of Latvia with a Map |
| 981 | Biggest Slavic Cities With An Exception |
| 981 | Countries Closest to Bulgaria - One Minute Sprint |
| 978 | Kosovo Country Quiz |
| 970 | Counties of Hungary |
| 968 | Biggest Cities in Czechia with a Map (extreme) |
| 949 | Croatia 1998 squad |
| 948 | The United Kingdom... or Ukraine? |
| 942 | Countries Closest to Russia A-Z |
| 941 | Every 100k+ Eastern European City on a Map with Exceptions |
| 940 | Baltic Sea General Knowledge |
| 937 | Polish football (soccer) Ekstraklasa champions (2001-2016) |
| 936 | Click to Translate - Bulgarian |
| 920 | Counties (Powiats) of the Polish-Lithuanian Commonwealth on a Map |
| 918 | WWII Tanks - Soviet Union |
| 918 | Countries that do NOT recognize Kosovo's independence |
| 915 | Balkan Geography Quiz |
| 913 | Countries Closest to Poland - Map Quiz |
| 904 | Chernobyl Quiz |
| 902 | Countries Closest to Montenegro |
| 901 | All Districts of Slovakia on the Map |
| 898 | Biggest Cities in the Balkans on a Map |
| 898 | Municipalities/Cities of Serbia |
| 897 | Click to Translate - Albanian |
| 898 | Countries Closest to Russia (with a map) |
| 891 | Do these countries border Russia? |
| 889 | Famous Football Players Picture Quiz - Croatia |
| 889 | Russian Geography A-Z |
| 888 | Countries Closest to North Macedonia |
| 886 | Countries Visiting Bosnia and Herzegovina the Most |
| 885 | Largest cities of Eastern Europe on a Map |
| 884 | Biggest Cities in Modern-Day Soviet Union with an Exception |
| 879 | Russian Monarchs Quiz |
| 876 | Capitals of Russian Federal Subjects |
| 870 | Countries bordering Romania |
| 868 | Click to Translate - Hungarian |
