| Countries that Bordered the USSR | 0 | - | 4.93 | 164,447 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,756 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,965 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,199 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,870 |
| UK Immigration by Country | 0 | - | 4.94 | 139,581 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,353 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,434 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,205 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,098 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,005 |
| Random European Capital to Country | 0 | - | 4.98 | 189,165 |
| Random European Country to Capital | 0 | - | 4.92 | 147,410 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,294 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,253 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,377 |
| Every European Country Shape | 0 | - | 4.96 | 200,092 |
| Countries of Africa | 0 | - | 5.00 | 2,506,916 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,117 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,650 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,224 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,095 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,918 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,800 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,789 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,492 |
| The Only European Country ... | 0 | - | 4.91 | 213,744 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,065 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,473 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,187 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,678 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,314 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,491 |
| Biggest British Empire Countries | 0 | - | 4.73 | 89,392 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,867 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,328 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,702 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,334 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,219 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,173 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,260 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,236 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,578 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,542 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,779 |
| Europe Capital to Country | 0 | - | 4.99 | 247,530 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,411 |
| European Capitals by Map | 0 | - | 4.99 | 136,189 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,154 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,583 |
| European Coastal Capitals | 0 | - | 4.95 | 89,717 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,710 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,257 |
| Countries of the Middle East | 0 | - | 4.96 | 198,854 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,223 |
| Slavic Countries | 0 | - | 4.96 | 110,828 |
| African Island Countries | 0 | - | 4.96 | 100,759 |
| Random European Flag to Country | 0 | - | 4.89 | 180,862 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,677 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,458 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,052 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,584 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,680 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,735 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,139 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,143 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,261 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,542 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,235 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,377 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,210 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,486 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,487 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,756 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,502 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,074 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,945 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,804 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,963 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,814 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,979 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,568 |
| Official Cities in the UK | 0 | - | 4.89 | 280,444 |
| Cities in European History #1 | 0 | - | 4.63 | 133,081 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,391 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,086 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,685 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,748 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,167 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,611 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,326 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,347 |
| Monarchies of Europe | 0 | - | 4.90 | 97,290 |
| Monarchies of Asia | 0 | - | 4.97 | 70,587 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,424 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,711 |
| The Only African Country ... | 0 | - | 4.99 | 128,335 |
| The Only American Country ... | 0 | - | 4.92 | 120,726 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,769 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,237 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,024 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,336 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,999 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,341 |
| European Countries with One Border | 0 | - | 4.97 | 181,583 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,492 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,123 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,075 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,881 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,058 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,170 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,651 |
| Central American Countries | 0 | - | 4.98 | 155,006 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,627 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,209 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,846 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,813 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,343 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,216 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,059 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,778 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,764 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,430 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,763 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,193 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,220 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,097 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,482 |
| Countries That Border Russia | 0 | - | 4.98 | 458,824 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,462 |
| Countries Bordering France | 0 | - | 4.83 | 398,689 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,963 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,199 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,469 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,179 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,972 |
| Germany Country Quiz | 0 | - | 4.82 | 156,493 |
| Russia Country Quiz | 0 | - | 4.85 | 113,618 |
| Italy Country Quiz | 0 | - | 4.82 | 122,160 |
| Japan Country Quiz | 0 | - | 4.92 | 141,205 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,834 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,024 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,572 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,184 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,343 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,376 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,847 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,781 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,205 |
| Most Forested European Countries | 0 | - | 4.80 | 74,897 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,828 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,066 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,141 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,530 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,667 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,686 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,246 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,665 |
| Every African Country Shape | 0 | - | 4.90 | 86,061 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,084 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,160 |
| Countries Bordering India | 0 | - | 4.98 | 162,579 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,676 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,753 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,920 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,766 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,158 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,207 |
| Countries that Border China | 0 | - | 4.96 | 261,790 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,832 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,517 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,061 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,210 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,719 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,296 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,456 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,429 |
| Countries that Border Poland | 0 | - | 4.99 | 171,315 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,433 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,825 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,929 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,692 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,511 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,247 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,362 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,489 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,788 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,868 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,930 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,330 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,746 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,320 |
| Countries Closest to India | 0 | - | 4.97 | 102,196 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,893 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,272 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,522 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,308 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,291 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,270 |
