| Countries that Bordered the USSR | 0 | - | 4.93 | 164,903 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,882 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,460 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,005 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,695 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,391 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,050 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,787 |
| Countries That Border Russia | 0 | - | 4.98 | 460,463 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,802 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,476 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,835 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,419 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,900 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,986 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,054 |
| Countries of Africa | 0 | - | 5.00 | 2,522,726 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,955 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,032 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,106 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,308 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,414 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,096 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,829 |
| Countries that Border Poland | 0 | - | 4.99 | 171,829 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,033 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,059 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,314 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,383 |
| The Only European Country ... | 0 | - | 4.91 | 215,288 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,199 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,402 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,486 |
| China by Picture | 0 | - | 4.51 | 62,886 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,924 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,805 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,830 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,317 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,424 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,984 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,762 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,836 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,774 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 89,267 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,940 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,192 |
| Asia Capital to Country | 0 | - | 4.96 | 126,222 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,773 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,375 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,550 |
| Countries of the Middle East | 0 | - | 4.96 | 199,945 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,790 |
| Slavic Countries | 0 | - | 4.96 | 111,292 |
| Vietnam War Countries | 0 | - | 4.83 | 93,924 |
| African Island Countries | 0 | - | 4.96 | 101,205 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,374 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,023 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,812 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,293 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,194 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,277 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,420 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,552 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,742 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,936 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,722 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,766 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,617 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,868 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,410 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,860 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,531 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,417 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,349 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,546 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,874 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,562 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,628 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,827 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,760 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,975 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,762 |
| Monarchies of Europe | 0 | - | 4.90 | 97,735 |
| Monarchies of Asia | 0 | - | 4.97 | 70,854 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,654 |
| The Only African Country ... | 0 | - | 4.99 | 128,733 |
| The Only American Country ... | 0 | - | 4.92 | 121,205 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,945 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,495 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,467 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,980 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,543 |
| European Countries with One Border | 0 | - | 4.97 | 182,179 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,045 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,868 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,775 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,751 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,458 |
| UK Immigration by Country | 0 | - | 4.94 | 140,415 |
| Central American Countries | 0 | - | 4.98 | 155,575 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,098 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,745 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,210 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,465 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,152 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,808 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,496 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,134 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,993 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,773 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,541 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,673 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,550 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,703 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,756 |
| Countries Bordering France | 0 | - | 4.83 | 401,252 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,089 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,405 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,796 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,579 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,176 |
| Germany Country Quiz | 0 | - | 4.82 | 157,243 |
| Russia Country Quiz | 0 | - | 4.85 | 114,080 |
| Italy Country Quiz | 0 | - | 4.82 | 122,737 |
| Japan Country Quiz | 0 | - | 4.93 | 141,966 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,034 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,126 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,208 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,663 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,259 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,386 |
| Random European Capital to Country | 0 | - | 4.98 | 190,142 |
| Random European Country to Capital | 0 | - | 4.93 | 159,440 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,244 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,946 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,520 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,047 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,131 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,217 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,308 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,643 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,515 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,714 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,945 |
| Every European Country Shape | 0 | - | 4.96 | 200,894 |
| Every African Country Shape | 0 | - | 4.90 | 86,689 |
| One Border Countries - Shape Quiz | 0 | - | 4.83 | 64,678 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,182 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,550 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,833 |
| Countries Bordering India | 0 | - | 4.98 | 163,219 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,050 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,035 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,357 |
| Countries that Border China | 0 | - | 4.96 | 262,558 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,697 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,376 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,656 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,059 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,304 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,196 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,928 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,696 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,192 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,711 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,284 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,582 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,720 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,990 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,244 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,269 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,769 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,879 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,716 |
| Countries Closest to India | 0 | - | 4.97 | 102,480 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,258 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,979 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,736 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,437 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,436 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,539 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,372 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,507 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,442 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,985 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,417 |
| Countries with Megacities | 0 | - | 4.99 | 249,221 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,272 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,619 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,584 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,590 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,920 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,368 |
| Hindu Countries | 0 | - | 4.86 | 49,862 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,876 |
| Japan by Picture | 0 | - | 4.45 | 29,158 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,086 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,419 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,189 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,111 |
