| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,862 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,605 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,010 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,607 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,278 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,922 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,866 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,584 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,362 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,326 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,973 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,964 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,487 |
| Countries with Megacities | 0 | - | 4.99 | 267,826 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,137 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,334 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,466 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,430 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,463 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,514 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,813 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,992 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,357 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,717 |
| Every European Country Shape | 0 | - | 4.96 | 203,240 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,707 |
| Every African Country Shape | 0 | - | 4.90 | 88,601 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,599 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,972 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,566 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,851 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,891 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,047 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,253 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,491 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,242 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,914 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,022 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,718 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,803 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,155 |
| Random European Flag to Country | 0 | - | 4.90 | 184,453 |
| Random African Flag to Country | 0 | - | 4.87 | 75,724 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,900 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,433 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,270 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,084 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,967 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,103 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,892 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,122 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,817 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 114,745 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.93 | 35,224 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 83,279 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,970 |
| Flags of Countries that Border China | 0 | - | 4.94 | 100,228 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,908 |
| U.S. State Flags | 0 | - | 4.89 | 173,421 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,306 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,163 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,589 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,186 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,092 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 171,178 |
| Random African Countries on a Map | 0 | - | 4.99 | 298,284 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,512 |
| Random European Countries on a Map | 0 | - | 4.97 | 285,338 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,842 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,017 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,543 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,103 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.89 | 27,881 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 95,519 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.90 | 73,361 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 72,214 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 70,228 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 62,229 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 59,336 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 57,593 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,824 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 159,782 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 84,404 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,231 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,927 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,586 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,761 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,969 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,098 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,635 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 56,121 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,473 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,697 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 218,199 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,615 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,928 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,570 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,089 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,178 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,953 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,812 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,652 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,569 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,943 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,378 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,133 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,091 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,714 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,835 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,301 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,556 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,756 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,034 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,497 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,298 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,184 |
| Olympic Host Countries | 0 | - | 4.98 | 202,192 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,237 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,465 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,967 |
| The Only European Country ... | 0 | - | 4.91 | 219,535 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,307 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,803 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,980 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,530 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,667 |
| Countries of Africa | 0 | - | 5.00 | 2,564,359 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 36,923 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,815 |
| Biggest Cities in History | 0 | - | 4.52 | 90,694 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,199 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,841 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,731 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,045 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 102,435 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,328 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,529 |
| Random Asian Flag to Country | 0 | - | 4.70 | 114,150 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,149 |
| South America Flags Map Quiz | 0 | - | 4.95 | 89,144 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,528 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,778 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,846 |
| Largest City by Island | 0 | - | 4.87 | 72,566 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,857 |
| Megacities on a World Map | 0 | - | 4.98 | 257,434 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,836 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,830 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,331 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,764 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,350 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,851 |
| Former Capitals | 0 | - | 4.88 | 71,727 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,383 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,218 |
| Countries of the Middle East | 0 | - | 4.96 | 203,242 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,352 |
| Slavic Countries | 0 | - | 4.96 | 112,492 |
| African Island Countries | 0 | - | 4.96 | 102,725 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,239 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,569 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 82,672 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,995 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,471 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,942 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,290 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,904 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,364 |
| Countries that Start with D | 0 | - | 4.96 | 717,748 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,612 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,172 |
| Countries that Start with H | 0 | - | 4.96 | 610,497 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,785 |
| Countries that Start with J | 0 | - | 4.98 | 607,877 |
| Countries that Start with K | 0 | - | 4.97 | 821,708 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,041 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,097 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,263 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,785 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,851 |
| Countries that Start with U | 0 | - | 4.97 | 909,198 |
| Countries that Start with V | 0 | - | 4.98 | 612,531 |
| Countries that Start with F | 0 | - | 4.83 | 621,996 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,561 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,352 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,134 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,760 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,713 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,073 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,964 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,518 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,050 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,678 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,069 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,307 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,425 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 84,188 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,061 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,413 |
