| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,273 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,672 |
| Hindu Countries | 0 | - | 4.85 | 49,570 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,725 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,985 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,981 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,826 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,750 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,619 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,842 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,239 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,859 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,396 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,409 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,697 |
| Countries of Africa | 0 | - | 5.00 | 2,507,664 |
| Countries Bordering India | 0 | - | 4.98 | 162,599 |
| Countries Closest to India | 0 | - | 4.97 | 102,205 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,966 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,860 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,810 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,541 |
| The Only European Country ... | 0 | - | 4.91 | 213,812 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,128 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,522 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,201 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,263 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,712 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,585 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,480 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,044 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,216 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,283 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,261 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,605 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,559 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,808 |
| Asia Capital to Country | 0 | - | 4.96 | 125,750 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,122 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,181 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,304 |
| Countries of the Middle East | 0 | - | 4.96 | 198,900 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,251 |
| Slavic Countries | 0 | - | 4.96 | 110,851 |
| Vietnam War Countries | 0 | - | 4.83 | 93,605 |
| African Island Countries | 0 | - | 4.96 | 100,784 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,730 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,497 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,699 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,479 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,100 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,617 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,711 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,757 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,150 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,284 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,567 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,265 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,404 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,238 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,502 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,338 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,898 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,172 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,680 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,934 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,841 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,588 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,172 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,445 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,191 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,374 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,356 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,334 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,460 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,363 |
| Monarchies of Europe | 0 | - | 4.90 | 97,305 |
| Monarchies of Asia | 0 | - | 4.97 | 70,596 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,431 |
| The Only African Country ... | 0 | - | 4.99 | 128,358 |
| The Only American Country ... | 0 | - | 4.92 | 120,755 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,775 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,246 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,035 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,382 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,031 |
| European Countries with One Border | 0 | - | 4.97 | 181,617 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,516 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,540 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,105 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,576 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,304 |
| UK Immigration by Country | 0 | - | 4.94 | 139,622 |
| Central American Countries | 0 | - | 4.98 | 155,042 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,656 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,250 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,858 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,891 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,252 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,361 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,082 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,794 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,773 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,444 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,208 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,239 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,116 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,487 |
| Countries That Border Russia | 0 | - | 4.98 | 458,896 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,473 |
| Countries Bordering France | 0 | - | 4.83 | 399,016 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,029 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,214 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,489 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,194 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,979 |
| Countries that Beat India | 0 | - | 4.41 | 62,586 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,761 |
| Germany Country Quiz | 0 | - | 4.82 | 156,536 |
| Russia Country Quiz | 0 | - | 4.85 | 113,626 |
| Italy Country Quiz | 0 | - | 4.82 | 122,196 |
| Japan Country Quiz | 0 | - | 4.92 | 141,235 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,131 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,846 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,816 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,035 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,811 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,278 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,050 |
| Random European Capital to Country | 0 | - | 4.98 | 189,198 |
| Random European Country to Capital | 0 | - | 4.92 | 147,442 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,826 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,790 |
| Biggest British Empire Countries | 0 | - | 4.73 | 93,461 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,888 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,849 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,072 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,147 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,209 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,450 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,313 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,732 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,347 |
| Every European Country Shape | 0 | - | 4.96 | 200,148 |
| Every African Country Shape | 0 | - | 4.90 | 86,097 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,094 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,172 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,143 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,696 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,775 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,925 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,778 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,213 |
| Countries that Border China | 0 | - | 4.96 | 261,809 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,844 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,525 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,077 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,224 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,743 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,305 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,480 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,447 |
| Countries that Border Poland | 0 | - | 4.99 | 171,343 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,458 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,846 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,936 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,703 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,258 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,528 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,299 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,371 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,502 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,802 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,889 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,950 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,354 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,751 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,338 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,904 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,314 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,527 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,105 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,096 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,311 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,294 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,067 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,761 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,597 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,791 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,944 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,590 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,148 |
| Countries with Megacities | 0 | - | 4.99 | 246,815 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,070 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,942 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,492 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,827 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,796 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,557 |
