| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,526 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,544 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,369 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,573 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,313 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,146 |
| Countries with Megacities | 0 | - | 4.99 | 265,179 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,965 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,611 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,229 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,680 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,107 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,312 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,326 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,139 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,026 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,391 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,276 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,642 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,837 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,470 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,314 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,282 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,932 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 146,626 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,335 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,906 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,199 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,505 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,290 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,388 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,916 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,025 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,209 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,026 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,410 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,813 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,973 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,925 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,316 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,742 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,847 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,253 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,414 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,564 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,193 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,147 |
| Largest City by Island | 0 | - | 4.87 | 72,139 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,238 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,325 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,860 |
| Megacities on a World Map | 0 | - | 4.98 | 255,673 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,001 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,571 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,290 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,436 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,323 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,545 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,659 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,719 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,813 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,583 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,557 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,784 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,844 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,378 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,575 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,342 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,984 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,373 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,679 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,486 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,289 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,471 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,533 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,384 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,881 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,466 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,633 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,603 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,218 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,657 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,502 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,260 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,187 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,841 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,260 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,972 |
| Most Populous Islands | 0 | - | 4.80 | 123,105 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,333 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,586 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,897 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,341 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,578 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,559 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,646 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,129 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,785 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,005 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,221 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,874 |
| Boundary Waters | 0 | - | 4.92 | 88,621 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,291 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,365 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,908 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,820 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,586 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,067 |
| Biggest City by Region | 0 | - | 4.50 | 36,302 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,218 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,661 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,650 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,837 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,243 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,390 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,404 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,446 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,132 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,627 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,600 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,479 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,649,865 |
| Landlocked Countries | 0 | - | 4.99 | 422,827 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,755 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,630 |
| Population Trivia | 0 | - | 4.32 | 27,525 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,054 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,705 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,237 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,611 |
| Biggest Cities in History | 0 | - | 4.52 | 90,357 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,453 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,342 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,723 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,510 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,079 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,569 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,273 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,718 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,315 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,669 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,315 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,352 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,711 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,603 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,847 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,649 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,255 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,695 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,373 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,509 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,942 |
| Himalayan Countries | 0 | - | 4.95 | 139,106 |
| Andean Countries | 0 | - | 4.93 | 84,839 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,061 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,172 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,643 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,958 |
| Danube Countries | 0 | - | 4.97 | 72,118 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,161 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,521 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,497 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,000 |
| European Landlocked Countries | 0 | - | 4.99 | 147,258 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,803 |
| Countries with the Most Species | 0 | - | 4.99 | 103,329 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,927 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,760 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,608 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,344 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,767 |
| Countries in the Alps | 0 | - | 4.87 | 118,338 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,658 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,239 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,735 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,694 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,614 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,022 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,782 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,585 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,234 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,703 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,581 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,311 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,552 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,619 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,113 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,383 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,619 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,398 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,386 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,298 |
| Largest Countries By Category | 0 | - | 4.97 | 158,366 |
| Countries by Countries | 0 | - | 4.96 | 63,339 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,804 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,316 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,589 |
