| Countries that Bordered the USSR | 0 | - | 4.93 | 165,620 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,235 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,394 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,658 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,305 |
| UK Immigration by Country | 0 | - | 4.94 | 141,134 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,994 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,736 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,765 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,128 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,772 |
| Random European Capital to Country | 0 | - | 4.98 | 191,200 |
| Random European Country to Capital | 0 | - | 4.93 | 165,362 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,683 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,788 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,426 |
| Every European Country Shape | 0 | - | 4.96 | 202,150 |
| Countries of Africa | 0 | - | 5.00 | 2,543,923 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,977 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,398 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,347 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,936 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,506 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,785 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,073 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,636 |
| The Only European Country ... | 0 | - | 4.91 | 217,320 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,742 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,527 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,732 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,680 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,822 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,490 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,172 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,224 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,509 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,529 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,547 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,844 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,855 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,489 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,297 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,902 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,332 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,636 |
| Europe Capital to Country | 0 | - | 4.99 | 250,816 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,170 |
| European Capitals by Map | 0 | - | 4.99 | 139,889 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,277 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,608 |
| European Coastal Capitals | 0 | - | 4.95 | 90,785 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,492 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,305 |
| Countries of the Middle East | 0 | - | 4.96 | 201,617 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,532 |
| Slavic Countries | 0 | - | 4.96 | 111,865 |
| African Island Countries | 0 | - | 4.96 | 101,847 |
| Random European Flag to Country | 0 | - | 4.89 | 182,914 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,201 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,749 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,793 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,288 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,893 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,991 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,700 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,380 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,408 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,772 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,450 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,349 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,211 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,412 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,518 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,655 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,840 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,078 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,199 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,630 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,324 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,570 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,514 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,905 |
| Official Cities in the UK | 0 | - | 4.89 | 284,438 |
| Cities in European History #1 | 0 | - | 4.63 | 134,185 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,195 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,500 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,277 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,393 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,076 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,085 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,515 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,261 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,194 |
| Monarchies of Europe | 0 | - | 4.90 | 98,326 |
| Monarchies of Asia | 0 | - | 4.97 | 71,204 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,004 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,402 |
| The Only African Country ... | 0 | - | 4.99 | 129,264 |
| The Only American Country ... | 0 | - | 4.92 | 121,795 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,197 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,873 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,814 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,231 |
| Russia by Picture | 0 | - | 4.41 | 20,430 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,468 |
| European Countries with One Border | 0 | - | 4.97 | 183,091 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,869 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,359 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,376 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,084 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,107 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,361 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,282 |
| Central American Countries | 0 | - | 4.98 | 156,743 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,934 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,844 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,441 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,751 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,750 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,790 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,380 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,357 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,678 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,340 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,381 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,150 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,006 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,292 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,224 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,095 |
| Countries That Border Russia | 0 | - | 4.98 | 462,743 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,163 |
| Countries Bordering France | 0 | - | 4.83 | 403,460 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,579 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,659 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,259 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,106 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,492 |
| Germany Country Quiz | 0 | - | 4.83 | 158,142 |
| Russia Country Quiz | 0 | - | 4.83 | 114,677 |
| Japan Country Quiz | 0 | - | 4.93 | 142,708 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,455 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,408 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,879 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,533 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,584 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,360 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,176 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,500 |
| Most Forested European Countries | 0 | - | 4.80 | 75,436 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,501 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,469 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,519 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,658 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,832 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,812 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,282 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,961 |
| Every African Country Shape | 0 | - | 4.90 | 87,621 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,376 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,407 |
| Countries Bordering India | 0 | - | 4.98 | 163,544 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,400 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,642 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,545 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,642 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 82,878 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,625 |
| Countries that Border China | 0 | - | 4.96 | 263,520 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,706 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,955 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,862 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 131,807 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,642 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,810 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,501 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,012 |
| Countries that Border Poland | 0 | - | 4.99 | 172,574 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,913 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,969 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,552 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,256 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,442 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,955 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,321 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,965 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,116 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,275 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,712 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,694 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,559 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,013 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,548 |
| Countries Closest to India | 0 | - | 4.97 | 102,929 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,800 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,309 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,033 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,794 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,479 |
