| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,331 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,341 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,582 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,599 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,587 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,338 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,561 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,671 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,736 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,825 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,590 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,570 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,793 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,427 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,022 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,418 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,235 |
| Countries with Megacities | 0 | - | 4.99 | 265,356 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,051 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,651 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,300 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,722 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,441 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,177 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,045 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,447 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,317 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,667 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,863 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,511 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,375 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,383 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,991 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,542 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,376 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,947 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,337 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,550 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,332 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,419 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,941 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,061 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,647 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,127 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,335 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,723 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,950 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,013 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,933 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,323 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,760 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,888 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,296 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,451 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,581 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,239 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,206 |
| Largest City by Island | 0 | - | 4.87 | 72,171 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,259 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,356 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,893 |
| Megacities on a World Map | 0 | - | 4.98 | 255,777 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,214 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,581 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,332 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,507 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,883 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,416 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,608 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,358 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,003 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,388 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,695 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,509 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,326 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,522 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,674 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,497 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,117 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,524 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,661 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,638 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,240 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,693 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,557 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,275 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,335 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,870 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,286 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,996 |
| Most Populous Islands | 0 | - | 4.80 | 123,122 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,338 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,588 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,910 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,358 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,598 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,659 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,165 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,814 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,068 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,268 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,917 |
| Boundary Waters | 0 | - | 4.92 | 88,632 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,306 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,399 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,930 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,851 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,590 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,075 |
| Biggest City by Region | 0 | - | 4.50 | 36,308 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,227 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,703 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,682 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,883 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,254 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,392 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,412 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,576 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,171 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,689 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,639 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,490 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,308 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,608 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,139 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,108 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,211 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,348 |
| Biggest Cities in India | 0 | - | 4.64 | 67,918 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,671,082 |
| Landlocked Countries | 0 | - | 4.99 | 423,092 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,770 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,138 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,641 |
| Population Trivia | 0 | - | 4.32 | 27,528 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,096 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,823 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,327 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,777 |
| Biggest Cities in History | 0 | - | 4.52 | 90,380 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,535 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,358 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,784 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,522 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,111 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,587 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,271 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,462 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,333 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,782 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,332 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,682 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,433 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,223 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,626 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,870 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,678 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,282 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,733 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,405 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,182 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,049 |
| Himalayan Countries | 0 | - | 4.94 | 139,219 |
| Andean Countries | 0 | - | 4.93 | 84,888 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,107 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,244 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,685 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,999 |
| Danube Countries | 0 | - | 4.97 | 72,141 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,202 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,550 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,545 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,059 |
| European Landlocked Countries | 0 | - | 4.99 | 147,286 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,847 |
| Countries with the Most Species | 0 | - | 4.99 | 103,353 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,972 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,649 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,769 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,625 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,372 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,793 |
| Countries in the Alps | 0 | - | 4.87 | 118,375 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,787 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,304 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,761 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,725 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,645 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,826 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,611 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,252 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,965 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,726 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,597 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,332 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,573 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,641 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,181 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,410 |