| Neutral European Countries of WWII | 0 | - | 4.92 | 162,227 |
| Vietnam War Countries | 0 | - | 4.82 | 94,578 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,286 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,358 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,830 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,542 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,863 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,767 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,916 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,055 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,503 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,003 |
| Countries of Africa | 0 | - | 5.00 | 2,557,694 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,670 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,217 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,625 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,781 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,993 |
| The Only European Country ... | 0 | - | 4.91 | 218,797 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,805 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,409 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,387 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,801 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,963 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,120 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,604 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,787 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,339 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,840 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,490 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,164 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,493 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,841 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,082 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,592 |
| Countries of the Middle East | 0 | - | 4.96 | 202,503 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,109 |
| Slavic Countries | 0 | - | 4.96 | 112,316 |
| African Island Countries | 0 | - | 4.96 | 102,388 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,607 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,748 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,270 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,519 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,270 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,432 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,474 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,931 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,743 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,981 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,421 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,211 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,842 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,100 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,069 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,918 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,485 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,974 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,966 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,302 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,936 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,624 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,818 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,811 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,205 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,710 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,429 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,281 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,238 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,040 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,612 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,461 |
| Monarchies of Europe | 0 | - | 4.90 | 98,800 |
| Monarchies of Asia | 0 | - | 4.97 | 71,475 |
| Countries of the German Empire | 0 | - | 4.51 | 38,160 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,254 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,350 |
| The Only African Country ... | 0 | - | 4.99 | 129,618 |
| The Only American Country ... | 0 | - | 4.92 | 122,171 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,367 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,253 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,435 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,411 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,771 |
| European Countries with One Border | 0 | - | 4.97 | 183,700 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,457 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,762 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,525 |
| UK Immigration by Country | 0 | - | 4.94 | 141,633 |
| Central American Countries | 0 | - | 4.98 | 157,255 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,541 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,330 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,268 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,604 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,278 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,089 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,790 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,001 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,037 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,549 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,757 |
| Arms Exports - United States | 0 | - | 4.77 | 62,707 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,308 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,804 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,732 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,717 |
| Countries That Border Russia | 0 | - | 4.98 | 464,343 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,428 |
| Countries Bordering France | 0 | - | 4.83 | 404,733 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,674 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,877 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,557 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,764 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,689 |
| Germany Country Quiz | 0 | - | 4.82 | 158,766 |
| Russia Country Quiz | 0 | - | 4.83 | 115,271 |
| Japan Country Quiz | 0 | - | 4.93 | 143,259 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,897 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,711 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,561 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,065 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,009 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 49,020 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,349 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,023 |
| Random European Capital to Country | 0 | - | 4.98 | 192,063 |
| Random European Country to Capital | 0 | - | 4.93 | 165,831 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,378 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,326 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,461 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,349 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,695 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,592 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,668 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,665 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,478 |
| Every European Country Shape | 0 | - | 4.96 | 202,851 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,568 |
| Every African Country Shape | 0 | - | 4.90 | 88,313 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,738 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,953 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,103 |
| Countries Bordering India | 0 | - | 4.98 | 163,790 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,975 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,912 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,686 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,029 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,802 |
| Countries that Border China | 0 | - | 4.96 | 264,179 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,068 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,113 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,160 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,725 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,027 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,901 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,851 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,224 |
| Countries that Border Poland | 0 | - | 4.99 | 173,101 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,470 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,387 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,814 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,495 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,788 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,598 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,130 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,030 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,229 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,347 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,447 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,111 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,002 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,055 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,107 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,875 |
| Countries Closest to India | 0 | - | 4.97 | 103,193 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,156 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,300 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,233 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,269 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,404 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,973 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,543 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,707 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,375 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,301 |
| Hindu Countries | 0 | - | 4.87 | 50,556 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,428 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,851 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,140 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,213 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,660 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,868 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,098 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,219 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,578 |
| Countries that Beat China | 0 | - | 4.85 | 116,687 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,540 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,030 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,068 |
