| Countries that Bordered the USSR | 0 | - | 4.93 | 165,139 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,033 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,549 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,134 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,449 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,593 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,315 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,237 |
| Countries That Border Russia | 0 | - | 4.98 | 461,023 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,891 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,683 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 129,112 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,788 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,171 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,567 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,544 |
| Countries of Africa | 0 | - | 5.00 | 2,529,144 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,077 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,134 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,215 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,411 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,501 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,232 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,966 |
| Countries that Border Poland | 0 | - | 4.99 | 172,025 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,473 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,150 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,570 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,774 |
| The Only European Country ... | 0 | - | 4.91 | 215,912 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,671 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,720 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,565 |
| China by Picture | 0 | - | 4.51 | 63,024 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,138 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,872 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,179 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,424 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,033 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,334 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,919 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,065 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,046 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,334 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,137 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,421 |
| Asia Capital to Country | 0 | - | 4.96 | 126,427 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,032 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,485 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,100 |
| Countries of the Middle East | 0 | - | 4.96 | 200,688 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,969 |
| Slavic Countries | 0 | - | 4.96 | 111,461 |
| Vietnam War Countries | 0 | - | 4.83 | 94,049 |
| African Island Countries | 0 | - | 4.96 | 101,395 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,621 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,241 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,120 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,606 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,396 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,495 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,503 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,066 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,942 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,363 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,966 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,948 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,783 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,044 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,583 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,361 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,976 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,487 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,554 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,673 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,055 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,702 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,732 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,012 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,906 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,219 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,913 |
| Monarchies of Europe | 0 | - | 4.90 | 97,926 |
| Monarchies of Asia | 0 | - | 4.97 | 70,960 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,762 |
| The Only African Country ... | 0 | - | 4.98 | 128,902 |
| The Only American Country ... | 0 | - | 4.92 | 121,378 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,048 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,620 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,647 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,213 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,745 |
| European Countries with One Border | 0 | - | 4.97 | 182,474 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,283 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,018 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,851 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,963 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,520 |
| UK Immigration by Country | 0 | - | 4.94 | 140,633 |
| Central American Countries | 0 | - | 4.98 | 155,851 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,290 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,973 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,402 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,112 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,828 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,257 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,861 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,284 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,105 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,912 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,686 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,850 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,756 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,804 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,866 |
| Countries Bordering France | 0 | - | 4.83 | 401,800 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,537 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,488 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,932 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,758 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,273 |
| Germany Country Quiz | 0 | - | 4.82 | 157,530 |
| Russia Country Quiz | 0 | - | 4.85 | 114,244 |
| Italy Country Quiz | 0 | - | 4.82 | 123,159 |
| Japan Country Quiz | 0 | - | 4.93 | 142,187 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,380 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,220 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,281 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,660 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,880 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,618 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,531 |
| Random European Capital to Country | 0 | - | 4.98 | 190,590 |
| Random European Country to Capital | 0 | - | 4.93 | 164,408 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,406 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,031 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,733 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,106 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,268 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,319 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,376 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,136 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,019 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,999 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,214 |
| Every European Country Shape | 0 | - | 4.96 | 201,253 |
| Every African Country Shape | 0 | - | 4.90 | 86,969 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,771 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,304 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,989 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,330 |
| Countries Bordering India | 0 | - | 4.98 | 163,308 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,171 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,094 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,436 |
| Countries that Border China | 0 | - | 4.96 | 262,807 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,778 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,723 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,739 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,310 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,486 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,310 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,013 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,879 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,247 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,779 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,566 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,704 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,833 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,079 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,378 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,384 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,993 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,924 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,851 |
| Countries Closest to India | 0 | - | 4.97 | 102,610 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,429 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,674 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,822 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,653 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,581 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,611 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,411 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,595 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,717 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,583 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,884 |
| Countries with Megacities | 0 | - | 4.99 | 256,582 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,752 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,913 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,048 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,914 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,951 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,868 |
| Hindu Countries | 0 | - | 4.86 | 49,988 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,114 |
| Japan by Picture | 0 | - | 4.45 | 29,193 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,342 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,502 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,352 |
