| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,300 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,406 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,634 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,003 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,000 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,484 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,495 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,057 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,105 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,380 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,202 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,121 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,324 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,782 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,142 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,658 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,247 |
| Countries with Megacities | 0 | - | 4.99 | 246,947 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,138 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,985 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,555 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,874 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,469 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,123 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,846 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,942 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,891 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,496 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,610 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,658 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,696 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,954 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,872 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,061 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,497 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,534 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,651 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,590 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,060 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,173 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,756 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,737 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,808 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,946 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,068 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,102 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,241 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,655 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,090 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,152 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,346 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,941 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,412 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,601 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,490 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,862 |
| Largest City by Island | 0 | - | 4.87 | 71,050 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,395 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,556 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,631 |
| Megacities on a World Map | 0 | - | 4.98 | 250,986 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,311 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,802 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,874 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,778 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,158 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,483 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,305 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,283 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,574 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,818 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,226 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,126 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,113 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,983 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,010 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,869 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,409 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,147 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,049 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,352 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,570 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,074 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,517 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,301 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,600 |
| Most Populous Islands | 0 | - | 4.79 | 121,996 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,202 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,407 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,613 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,850 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,938 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,956 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,539 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,120 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,487 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,600 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,804 |
| Boundary Waters | 0 | - | 4.92 | 88,045 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,291 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 101,620 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,917 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,708 |
| Biggest City by Region | 0 | - | 4.50 | 35,997 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,904 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,289 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,455 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,300 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,019 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,922 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,741 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,799 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,511 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,540 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,259 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,526 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,026 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,655 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,453 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,838 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,961 |
| Biggest Cities in India | 0 | - | 4.70 | 67,338 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,923,036 |
| Landlocked Countries | 0 | - | 4.99 | 413,655 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,137 |
| Population Trivia | 0 | - | 4.32 | 27,425 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,469 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,396 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,197 |
| Biggest Cities in History | 0 | - | 4.52 | 89,133 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,122 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,652 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,261 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,187 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,831 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,199 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,733 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,971 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,297 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,318 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,036 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,096 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,514 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,972 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,604 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,915 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,187 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,997 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,831 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,605 |
| Himalayan Countries | 0 | - | 4.95 | 135,374 |
| Andean Countries | 0 | - | 4.94 | 82,830 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,222 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,219 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,907 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,613 |
| Danube Countries | 0 | - | 4.97 | 71,082 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,539 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,492 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,408 |
| European Landlocked Countries | 0 | - | 4.99 | 145,757 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,218 |
| Countries with the Most Species | 0 | - | 4.99 | 95,242 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,352 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,199 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,370 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,958 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,826 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,569 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,259 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,014 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,425 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,167 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,004 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,582 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,303 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,062 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,196 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,045 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,752 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,755 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,071 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,649 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,254 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,318 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,681 |
