| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,684 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,239 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,637 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,915 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,946 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,799 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,693 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,605 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,727 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,197 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,470 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,874 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,776 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,451 |
| The Only European Country ... | 0 | - | 4.91 | 213,684 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,014 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,443 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,175 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,623 |
| Countries of Africa | 0 | - | 5.00 | 2,506,349 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,914 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,788 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,155 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,841 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,344 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,157 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,434 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,916 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,139 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,234 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,217 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,528 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,760 |
| Asia Capital to Country | 0 | - | 4.96 | 125,692 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,060 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,164 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,213 |
| Countries of the Middle East | 0 | - | 4.96 | 198,824 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,207 |
| Slavic Countries | 0 | - | 4.96 | 110,815 |
| African Island Countries | 0 | - | 4.96 | 100,733 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,655 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,431 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,021 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,565 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,660 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,720 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,130 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,253 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,528 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,209 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,368 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,195 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,469 |
| Vietnam War Countries | 0 | - | 4.83 | 93,579 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,893 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,063 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,675 |
| Countries that Start with D | 0 | - | 4.96 | 701,095 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,976 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,207 |
| Countries that Start with H | 0 | - | 4.96 | 597,570 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,848 |
| Countries that Start with J | 0 | - | 4.98 | 595,639 |
| Countries that Start with K | 0 | - | 4.96 | 809,058 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,475 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,332 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,173 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,980 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,907 |
| Countries that Start with U | 0 | - | 4.97 | 899,694 |
| Countries that Start with V | 0 | - | 4.98 | 604,864 |
| Countries that Start with F | 0 | - | 4.83 | 611,886 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,871 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,662 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,832 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,779 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,546 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,134 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,411 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,148 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,335 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,305 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,418 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,335 |
| Monarchies of Europe | 0 | - | 4.90 | 97,269 |
| Monarchies of Asia | 0 | - | 4.97 | 70,576 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,416 |
| The Only African Country ... | 0 | - | 4.99 | 128,316 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,756 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,227 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,005 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,305 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,984 |
| Countries That Border Russia | 0 | - | 4.98 | 458,774 |
| European Countries with One Border | 0 | - | 4.97 | 181,556 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,391 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,502 |
| Countries Bordering France | 0 | - | 4.85 | 398,443 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,910 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,064 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,453 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,284 |
| UK Immigration by Country | 0 | - | 4.94 | 139,543 |
| Central American Countries | 0 | - | 4.98 | 154,982 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,609 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,164 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,826 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,621 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,177 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,331 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,045 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,766 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,756 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,422 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,175 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,205 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,084 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,478 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,447 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,190 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,460 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,167 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,962 |
| Germany Country Quiz | 0 | - | 4.82 | 156,477 |
| Russia Country Quiz | 0 | - | 4.85 | 113,603 |
| Italy Country Quiz | 0 | - | 4.82 | 122,142 |
| Japan Country Quiz | 0 | - | 4.92 | 141,185 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,071 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,826 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,017 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,694 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,988 |
| Random European Capital to Country | 0 | - | 4.98 | 189,137 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,779 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,775 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,265 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,859 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,817 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,059 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,127 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,650 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,292 |
| Every European Country Shape | 0 | - | 4.96 | 200,053 |
| Every African Country Shape | 0 | - | 4.90 | 86,014 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,070 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,150 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,101 |
| Countries Bordering India | 0 | - | 4.98 | 162,569 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,666 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,742 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,917 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,759 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,199 |
| Countries that Border China | 0 | - | 4.96 | 261,772 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,824 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,509 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,048 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,202 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,700 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,289 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,445 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,421 |
| Countries that Border Poland | 0 | - | 4.99 | 171,293 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,398 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,808 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,920 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,685 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,204 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,497 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,219 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,355 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,479 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,782 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,851 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,305 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,738 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,305 |
| Countries Closest to India | 0 | - | 4.97 | 102,180 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,878 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,246 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,513 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,081 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,301 |
| Philippines Country Quiz | 0 | - | 4.56 | 74,850 |
| Thailand Country Quiz | 0 | - | 4.53 | 52,829 |
| Indonesia Country Quiz | 0 | - | 4.78 | 74,529 |
| Singapore Country Quiz | 0 | - | 4.74 | 45,043 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,406 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,451 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,986 |
| Countries with Megacities | 0 | - | 4.99 | 246,498 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,908 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,791 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,363 |
