| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,278 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,391 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,595 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,942 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,695 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,468 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,477 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,035 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,085 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,368 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,191 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,108 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,313 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,770 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,811 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,564 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,100 |
| Countries with Megacities | 0 | - | 4.99 | 246,741 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,032 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,903 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,451 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,806 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,198 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,102 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,812 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,880 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,862 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,464 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,578 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,628 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,638 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,863 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,831 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,986 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,473 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,503 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,552 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,563 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,043 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,149 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,732 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,432 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,735 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,938 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,046 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,016 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,198 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,310 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,899 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,380 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,566 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,414 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,832 |
| Largest City by Island | 0 | - | 4.87 | 71,027 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,382 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,526 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,079 |
| Megacities on a World Map | 0 | - | 4.98 | 250,905 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,158 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,786 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,853 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,700 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,134 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,447 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,272 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,253 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,597 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,553 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,794 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,204 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,096 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,074 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,903 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,970 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,827 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,972 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,819 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,373 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,133 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,006 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,295 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,560 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,988 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,484 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,581 |
| Most Populous Islands | 0 | - | 4.79 | 121,971 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,200 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,843 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,923 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,946 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,529 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,111 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,442 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,556 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,777 |
| Boundary Waters | 0 | - | 4.92 | 88,031 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,807 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,266 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,443 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,902 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,901 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,693 |
| Biggest City by Region | 0 | - | 4.50 | 35,993 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,894 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,245 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,437 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,269 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,013 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,218 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,917 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,711 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,759 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,473 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,519 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,250 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,515 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,017 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,646 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,439 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,806 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,946 |
| Biggest Cities in India | 0 | - | 4.70 | 67,325 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,907,632 |
| Landlocked Countries | 0 | - | 4.99 | 413,465 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,153 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,122 |
| Population Trivia | 0 | - | 4.32 | 27,421 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,380 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,366 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,376 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,096 |
| Biggest Cities in History | 0 | - | 4.52 | 89,117 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,115 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,647 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,202 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,181 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,813 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,191 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,723 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,958 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,225 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,285 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,004 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,092 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,494 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,952 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,584 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,897 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,152 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,978 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,506 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,521 |
| Himalayan Countries | 0 | - | 4.95 | 135,303 |
| Andean Countries | 0 | - | 4.94 | 82,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,196 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,160 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,871 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,575 |
| Danube Countries | 0 | - | 4.97 | 71,066 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,736 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,522 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,437 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,361 |
| European Landlocked Countries | 0 | - | 4.99 | 145,736 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,179 |
| Countries with the Most Species | 0 | - | 4.99 | 95,235 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,317 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,196 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,363 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,949 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,563 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,938 |
| Countries in the Alps | 0 | - | 4.86 | 116,794 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,543 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,233 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,995 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,406 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,137 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,985 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,556 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,741 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,207 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,037 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,192 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,035 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,439 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,725 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,742 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,029 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,625 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,248 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,754 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,208 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,631 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,597 |
