| Countries of the Soviet Union | 0 | - | 4.98 | 194,496 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,668 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,354 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,278 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,205 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,206 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,397 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,258 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,908 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,582 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,857 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,124 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,526 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,609 |
| Random European Capital to Country | 0 | - | 4.98 | 190,754 |
| Random European Country to Capital | 0 | - | 4.93 | 164,928 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,608 |
| Every European Country Shape | 0 | - | 4.96 | 201,458 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,196 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,760 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,730 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,033 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,859 |
| The Only European Country ... | 0 | - | 4.91 | 216,292 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,987 |
| Vietnam War Countries | 0 | - | 4.82 | 94,139 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,944 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,619 |
| Countries of Africa | 0 | - | 5.00 | 2,533,179 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,273 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,162 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,478 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,507 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,440 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,481 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,168 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,136 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,628 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,205 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,484 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,228 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,417 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,803 |
| Countries of the Middle East | 0 | - | 4.96 | 200,934 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,141 |
| Slavic Countries | 0 | - | 4.96 | 111,563 |
| African Island Countries | 0 | - | 4.96 | 101,522 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,836 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,819 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,758 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,390 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,343 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,810 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,553 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,632 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,561 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,084 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,502 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,130 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,062 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,904 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,184 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,125 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,401 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,758 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,657 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,674 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,163 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,727 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,381 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,651 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,117 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,809 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,948 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,160 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,025 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,010 |
| Monarchies of Europe | 0 | - | 4.90 | 98,036 |
| Monarchies of Asia | 0 | - | 4.97 | 71,032 |
| Countries of the German Empire | 0 | - | 4.51 | 37,901 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,724 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,818 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,591 |
| The Only African Country ... | 0 | - | 4.99 | 129,027 |
| The Only American Country ... | 0 | - | 4.92 | 121,495 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,096 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,719 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,750 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,382 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,876 |
| Countries That Border Russia | 0 | - | 4.98 | 461,399 |
| European Countries with One Border | 0 | - | 4.97 | 182,634 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,444 |
| Countries Bordering France | 0 | - | 4.83 | 402,194 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,957 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,092 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,827 |
| UK Immigration by Country | 0 | - | 4.94 | 140,784 |
| Central American Countries | 0 | - | 4.98 | 156,309 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,442 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,572 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,202 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,489 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,590 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,065 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,390 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,186 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,003 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,708 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,775 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,027 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,892 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,922 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,971 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,537 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,019 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,721 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,857 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,333 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,478 |
| Germany Country Quiz | 0 | - | 4.82 | 157,716 |
| Russia Country Quiz | 0 | - | 4.85 | 114,373 |
| Italy Country Quiz | 0 | - | 4.82 | 123,295 |
| Japan Country Quiz | 0 | - | 4.93 | 142,338 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,630 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,288 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,041 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,318 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,725 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,557 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,343 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,675 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,078 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,128 |
| Hindu Countries | 0 | - | 4.86 | 50,075 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,328 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,359 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,412 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,084 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,536 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,397 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,637 |
| Every African Country Shape | 0 | - | 4.90 | 87,161 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,265 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,729 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,209 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,596 |
| Countries Bordering India | 0 | - | 4.98 | 163,376 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,151 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,245 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,129 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,500 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,211 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,489 |
| Countries that Border China | 0 | - | 4.96 | 262,991 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,296 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,827 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,483 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,579 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,324 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,750 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,065 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,808 |
| Countries that Border Poland | 0 | - | 4.99 | 172,159 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,493 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,628 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,382 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,097 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,011 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,308 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,554 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,830 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,652 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,810 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,787 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,913 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,133 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,490 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,481 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,483 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,159 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,334 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,954 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,970 |
| Countries Closest to India | 0 | - | 4.97 | 102,705 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,556 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,886 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,882 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,762 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,768 |
| Countries that Beat China | 0 | - | 4.86 | 115,626 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,567 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,706 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,680 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,833 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,913 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,473 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,766 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,436 |
