| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,265 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,379 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,555 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,908 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,490 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,449 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,466 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,023 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,075 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,361 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,184 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,101 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,304 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,759 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,513 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,483 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,001 |
| Countries with Megacities | 0 | - | 4.99 | 246,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,923 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,801 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,373 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,007 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,081 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,780 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,831 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,444 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,544 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,604 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,593 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,787 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,802 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,919 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,447 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,485 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,488 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,533 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,023 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,132 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,719 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,163 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,695 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,932 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,038 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,938 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,154 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,650 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,082 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,115 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,264 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,861 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,543 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,370 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,805 |
| Largest City by Island | 0 | - | 4.87 | 71,009 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,358 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,501 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,473 |
| Megacities on a World Map | 0 | - | 4.98 | 250,829 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,035 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,772 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,832 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,649 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,112 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,406 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,243 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,221 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,569 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,769 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,167 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,073 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,040 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,852 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,927 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,795 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,958 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,807 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,341 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,117 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,970 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,245 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,549 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,889 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,469 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,556 |
| Most Populous Islands | 0 | - | 4.79 | 121,955 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,836 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,911 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,932 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,520 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,100 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,398 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,535 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,748 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,241 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,428 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,881 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,892 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,677 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,891 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,226 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,423 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,238 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,903 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,694 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,736 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,439 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,501 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,247 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,501 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,007 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,631 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,429 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,783 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,942 |
| Biggest Cities in India | 0 | - | 4.70 | 67,315 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,895,263 |
| Landlocked Countries | 0 | - | 4.99 | 413,320 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,144 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,111 |
| Population Trivia | 0 | - | 4.32 | 27,419 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,360 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,299 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,345 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,981 |
| Biggest Cities in History | 0 | - | 4.52 | 89,097 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,109 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,636 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,165 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,177 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,798 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,184 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,716 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,950 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,155 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,254 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,970 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,091 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,466 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,936 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,570 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,883 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,119 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,966 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,521 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,452 |
| Himalayan Countries | 0 | - | 4.95 | 135,240 |
| Andean Countries | 0 | - | 4.94 | 82,766 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,179 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,118 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,849 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,554 |
| Danube Countries | 0 | - | 4.97 | 71,049 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,717 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,506 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,405 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,332 |
| European Landlocked Countries | 0 | - | 4.99 | 145,720 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,150 |
| Countries with the Most Species | 0 | - | 4.99 | 95,228 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,292 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,941 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,551 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,922 |
| Countries in the Alps | 0 | - | 4.86 | 116,772 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,527 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,194 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,986 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,393 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,972 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,536 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,727 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,135 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,024 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,185 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,025 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,420 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,725 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,004 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,615 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,240 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,737 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,110 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,543 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,577 |
