| Countries that Bordered the USSR | 0 | - | 4.93 | 164,962 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,523 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,549 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,948 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,970 |
| UK Immigration by Country | 0 | - | 4.94 | 140,467 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,246 |
| Countries That Border Russia | 0 | - | 4.98 | 460,576 |
| Russia Country Quiz | 0 | - | 4.85 | 114,110 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,098 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,659 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,031 |
| Countries of Africa | 0 | - | 5.00 | 2,524,074 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,418 |
| Random European Capital to Country | 0 | - | 4.98 | 190,257 |
| Random European Country to Capital | 0 | - | 4.93 | 161,428 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,141 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,369 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,474 |
| The Only European Country ... | 0 | - | 4.91 | 215,426 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,311 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,475 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,483 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,506 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,762 |
| Every European Country Shape | 0 | - | 4.96 | 200,999 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,893 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,041 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,126 |
| Countries that Border Poland | 0 | - | 4.99 | 171,872 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,744 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,469 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,470 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,067 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,916 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,921 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,148 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,027 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,297 |
| Europe Capital to Country | 0 | - | 4.99 | 249,117 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,304 |
| European Capitals by Map | 0 | - | 4.99 | 138,025 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,698 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,070 |
| European Coastal Capitals | 0 | - | 4.95 | 90,199 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,103 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,279 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,288 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,670 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,579 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,059 |
| Countries of the Middle East | 0 | - | 4.96 | 200,057 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,828 |
| Slavic Countries | 0 | - | 4.96 | 111,330 |
| African Island Countries | 0 | - | 4.96 | 101,246 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,788 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,001 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,325 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,422 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,073 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,864 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,362 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,243 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,315 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,442 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,592 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,779 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,984 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,786 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,802 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,649 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,903 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,985 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,319 |
| Random European Flag to Country | 0 | - | 4.89 | 181,666 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,961 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,158 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,656 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,506 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,576 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,773 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,606 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,433 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,071 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,516 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,416 |
| Official Cities in the UK | 0 | - | 4.89 | 282,427 |
| Cities in European History #1 | 0 | - | 4.63 | 133,613 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,770 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,765 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,972 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,058 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,588 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,817 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,877 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,792 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,795 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,946 |
| Monarchies of Europe | 0 | - | 4.90 | 97,770 |
| Monarchies of Asia | 0 | - | 4.97 | 70,877 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,690 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,867 |
| The Only African Country ... | 0 | - | 4.99 | 128,770 |
| The Only American Country ... | 0 | - | 4.92 | 121,242 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,961 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,527 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,512 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,050 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,595 |
| European Countries with One Border | 0 | - | 4.97 | 182,241 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,098 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,795 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,769 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,577 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,721 |
| Countries Bordering France | 0 | - | 4.83 | 401,380 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,526 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,189 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,442 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,864 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,758 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,959 |
| Central American Countries | 0 | - | 4.98 | 155,639 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,141 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,788 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,243 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,589 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,330 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,852 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,177 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,536 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,185 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,023 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,807 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,581 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,707 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,584 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,723 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,781 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,427 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,819 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,623 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,196 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,430 |
| Germany Country Quiz | 0 | - | 4.82 | 157,305 |
| Italy Country Quiz | 0 | - | 4.82 | 122,790 |
| Japan Country Quiz | 0 | - | 4.93 | 142,018 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,143 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,225 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,380 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,952 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,114 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,498 |
| Countries with Megacities | 0 | - | 4.99 | 249,436 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,349 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,673 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,679 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,643 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,388 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,948 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,057 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,083 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,964 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,477 |
| Most Forested European Countries | 0 | - | 4.80 | 75,157 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,165 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,240 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,320 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,585 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,205 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,744 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,628 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,425 |
| Every African Country Shape | 0 | - | 4.90 | 86,755 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,415 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,597 |
| Countries Bordering India | 0 | - | 4.98 | 163,235 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,988 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,074 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,050 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,065 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,364 |
| Countries that Border China | 0 | - | 4.96 | 262,621 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,125 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,712 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,333 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,430 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,388 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,854 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,668 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,113 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,349 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,225 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,951 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,212 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,731 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,348 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,616 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,752 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,025 |
