| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,046 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,280 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,557 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,809 |
| Countries with Megacities | 0 | - | 4.99 | 248,002 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,686 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,298 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,066 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,248 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,434 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,229 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,244 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,269 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,116 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,427 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,119 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,600 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,898 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,479 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,946 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,084 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,657 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,174 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,976 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,807 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,745 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,846 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,259 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,342 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,879 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,902 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,858 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,696 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,129 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,528 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,121 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,309 |
| Boundary Waters | 0 | - | 4.92 | 88,123 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,890 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,465 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,548 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,977 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,882 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,624 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,522 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,246 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,607 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,157 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,582 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,760 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,404 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,011 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,665 |
| Largest City by Island | 0 | - | 4.87 | 71,215 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,503 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,762 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,656 |
| Megacities on a World Map | 0 | - | 4.98 | 251,632 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,928 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,095 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,161 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,305 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,406 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,709 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,492 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,411 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,769 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,677 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,927 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,379 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,318 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,344 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,344 |
| Most Populous Islands | 0 | - | 4.79 | 122,083 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,221 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,429 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,659 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,930 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,041 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,341 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,282 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,132 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,144 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,911 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,599 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,281 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,228 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,819 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,650 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,793 |
| Megacities on an Empty Map | 0 | - | 4.97 | 112,703 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,442 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,760 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,029,994 |
| Landlocked Countries | 0 | - | 4.99 | 415,008 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,926 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,265 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,163 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,217 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,686 |
| Population Trivia | 0 | - | 4.32 | 27,437 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,057 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,060 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,945 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,784 |
| Biggest City by Region | 0 | - | 4.50 | 36,032 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,951 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,617 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,202 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,862 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,852 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,062 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,250 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,987 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,107 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,287 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,905 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,157 |
| Himalayan Countries | 0 | - | 4.95 | 135,859 |
| Andean Countries | 0 | - | 4.94 | 83,104 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,428 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,540 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,133 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,788 |
| Danube Countries | 0 | - | 4.97 | 71,234 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,956 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,673 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,789 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,704 |
| European Landlocked Countries | 0 | - | 4.99 | 145,934 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,454 |
| Countries with the Most Species | 0 | - | 4.99 | 95,319 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,596 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,253 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,426 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,042 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,695 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,053 |
| Countries in the Alps | 0 | - | 4.86 | 117,065 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,719 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,527 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,138 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,558 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,335 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,120 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,750 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,875 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,656 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,185 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,257 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,124 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,585 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,855 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,867 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,374 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,771 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,336 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,980 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,079 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,103 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,704 |
| Largest Countries By Category | 0 | - | 4.97 | 156,977 |
| Countries by Countries | 0 | - | 4.96 | 62,410 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,605 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,010 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,371 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,188 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,249 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,908 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,066 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,850 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,532 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,686 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,281 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,801 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,728 |
| Longest International Borders | 0 | - | 4.99 | 264,057 |
| Countries with Three Borders | 0 | - | 4.96 | 36,274 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,683 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,774 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,905 |
| Demonym of Every Country | 0 | - | 4.91 | 58,769 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,226 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,474 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,108 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,594 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,917 |
| Biggest Cities in History | 0 | - | 4.52 | 89,245 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,176 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,497 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,603 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,547 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,239 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,871 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,006 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,774 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,673 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,246 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,106 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,699 |
