| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,392 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,313 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,932 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,496 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,149 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,353 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,526 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,010 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,530 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,800 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,512 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,373 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,382 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,170 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,947 |
| UK Immigration by Country | 0 | - | 4.94 | 139,684 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,288 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,678 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,219 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,092 |
| Random European Capital to Country | 0 | - | 4.98 | 189,258 |
| Random European Country to Capital | 0 | - | 4.92 | 147,488 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,865 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,291 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,777 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,385 |
| Every European Country Shape | 0 | - | 4.96 | 200,232 |
| Countries of Africa | 0 | - | 5.00 | 2,508,609 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,179 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,704 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,306 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,124 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,058 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,835 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,618 |
| The Only European Country ... | 0 | - | 4.91 | 213,919 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,190 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,230 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,594 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,221 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,600 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,745 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,254 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,271 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,324 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,304 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,632 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,585 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,834 |
| Europe Capital to Country | 0 | - | 4.99 | 247,968 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,499 |
| European Capitals by Map | 0 | - | 4.99 | 136,344 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,217 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,649 |
| European Coastal Capitals | 0 | - | 4.95 | 89,794 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,887 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,022 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,402 |
| Biggest British Empire Countries | 0 | - | 4.75 | 95,909 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,907 |
| Countries of the Middle East | 0 | - | 4.96 | 198,970 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,288 |
| Slavic Countries | 0 | - | 4.96 | 110,881 |
| African Island Countries | 0 | - | 4.96 | 100,810 |
| Random European Flag to Country | 0 | - | 4.89 | 180,947 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,989 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,746 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,514 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,153 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,650 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,730 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,795 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,164 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,182 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,312 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,598 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,299 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,441 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,273 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,516 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,033 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,883 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,017 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,833 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,618 |
| Official Cities in the UK | 0 | - | 4.89 | 280,630 |
| Cities in European History #1 | 0 | - | 4.63 | 133,161 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,430 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,147 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,727 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,788 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,443 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,225 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,638 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,392 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,362 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,382 |
| Monarchies of Europe | 0 | - | 4.90 | 97,342 |
| Monarchies of Asia | 0 | - | 4.97 | 70,613 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,437 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,822 |
| The Only African Country ... | 0 | - | 4.99 | 128,383 |
| The Only American Country ... | 0 | - | 4.92 | 120,778 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,785 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,260 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,060 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,425 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,076 |
| European Countries with One Border | 0 | - | 4.97 | 181,661 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,558 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,127 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,695 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,139 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,233 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,240 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,685 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,866 |
| Central American Countries | 0 | - | 4.98 | 155,080 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,675 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,301 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,877 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,003 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,380 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,268 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,104 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,818 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,786 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,473 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,231 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,269 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,139 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,505 |
| Countries That Border Russia | 0 | - | 4.98 | 458,983 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,511 |
| Countries Bordering France | 0 | - | 4.83 | 399,370 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,116 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,229 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,526 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,221 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,989 |
| Germany Country Quiz | 0 | - | 4.82 | 156,600 |
| Russia Country Quiz | 0 | - | 4.85 | 113,659 |
| Italy Country Quiz | 0 | - | 4.82 | 122,247 |
| Japan Country Quiz | 0 | - | 4.92 | 141,297 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,865 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,043 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,108 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,634 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,197 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,208 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,421 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,447 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,798 |
| Most Forested European Countries | 0 | - | 4.80 | 74,918 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,868 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,081 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,161 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,535 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,052 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,687 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,553 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,390 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,725 |
| Every African Country Shape | 0 | - | 4.90 | 86,147 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,114 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,188 |
| Countries Bordering India | 0 | - | 4.98 | 162,619 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,715 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,795 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,936 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,800 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,223 |
| Countries that Border China | 0 | - | 4.96 | 261,850 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,859 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,541 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,094 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,239 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,775 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,311 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,505 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,468 |
| Countries that Border Poland | 0 | - | 4.99 | 171,383 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,500 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,883 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,951 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,715 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,542 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,347 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,391 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,519 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,816 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,912 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,980 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,376 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,761 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,369 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,938 |
| Countries Closest to India | 0 | - | 4.97 | 102,220 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,925 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,360 |
