| Countries that Bordered the USSR | 0 | - | 4.93 | 165,731 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,377 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,799 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,526 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,829 |
| UK Immigration by Country | 0 | - | 4.94 | 141,245 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,963 |
| Countries That Border Russia | 0 | - | 4.98 | 463,094 |
| Russia Country Quiz | 0 | - | 4.83 | 114,783 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,342 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,059 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,877 |
| Countries of Africa | 0 | - | 5.00 | 2,547,646 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,858 |
| Random European Capital to Country | 0 | - | 4.98 | 191,590 |
| Random European Country to Capital | 0 | - | 4.93 | 165,495 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,838 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,212 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,924 |
| The Only European Country ... | 0 | - | 4.91 | 217,720 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,009 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,794 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,837 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,771 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,768 |
| Every European Country Shape | 0 | - | 4.96 | 202,356 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,119 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,470 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,737 |
| Countries that Border Poland | 0 | - | 4.99 | 172,698 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,477 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,004 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,727 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,970 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,574 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,342 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,983 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,371 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,677 |
| Europe Capital to Country | 0 | - | 4.99 | 251,139 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,373 |
| European Capitals by Map | 0 | - | 4.99 | 140,527 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,402 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,743 |
| European Coastal Capitals | 0 | - | 4.95 | 90,920 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,837 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,724 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,223 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,675 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,253 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,261 |
| Countries of the Middle East | 0 | - | 4.96 | 201,865 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,696 |
| Slavic Countries | 0 | - | 4.96 | 111,993 |
| African Island Countries | 0 | - | 4.96 | 101,975 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,861 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,971 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,860 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,347 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,893 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,006 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,529 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,051 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,116 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,755 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,469 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,555 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,901 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,600 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,441 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,343 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,529 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,628 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,155 |
| Random European Flag to Country | 0 | - | 4.90 | 183,124 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,608 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,733 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,874 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,915 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,460 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,379 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,850 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,453 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,626 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,655 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,970 |
| Official Cities in the UK | 0 | - | 4.89 | 284,881 |
| Cities in European History #1 | 0 | - | 4.63 | 134,286 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,273 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,631 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,362 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,469 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,191 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,124 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,658 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,350 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,273 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,302 |
| Monarchies of Europe | 0 | - | 4.90 | 98,445 |
| Monarchies of Asia | 0 | - | 4.97 | 71,293 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,081 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,692 |
| The Only African Country ... | 0 | - | 4.99 | 129,348 |
| The Only American Country ... | 0 | - | 4.92 | 121,889 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,246 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,947 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,132 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,965 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,362 |
| European Countries with One Border | 0 | - | 4.97 | 183,252 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,025 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,471 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,349 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,358 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,570 |
| Countries Bordering France | 0 | - | 4.83 | 403,826 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,464 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,913 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,217 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,424 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,514 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,733 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,351 |
| Central American Countries | 0 | - | 4.98 | 156,892 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,027 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,968 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,586 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,814 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,152 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,534 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,888 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,924 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,472 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,770 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,388 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,486 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,074 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,423 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,347 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,546 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,244 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,724 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,348 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,204 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,545 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,566 |
| Germany Country Quiz | 0 | - | 4.83 | 158,315 |
| Japan Country Quiz | 0 | - | 4.93 | 142,861 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,530 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,154 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,444 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,940 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,492 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,554 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,307 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,144 |
| Countries with Megacities | 0 | - | 4.99 | 265,163 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,958 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,609 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,226 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,678 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,653 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,772 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,100 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,410 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,226 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,865 |
| Most Forested European Countries | 0 | - | 4.80 | 75,491 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,557 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,493 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,547 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,672 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,451 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,817 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,597 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,050 |
| Every African Country Shape | 0 | - | 4.90 | 87,801 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,615 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,507 |
| Countries Bordering India | 0 | - | 4.98 | 163,615 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,489 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,721 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,588 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,727 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,659 |
| Countries that Border China | 0 | - | 4.96 | 263,682 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,812 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,989 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,946 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,989 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,839 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,602 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,062 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,054 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,076 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,615 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,317 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,484 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,992 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,500 |
