| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,900 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,930 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,946 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,995 |
| Countries with Megacities | 0 | - | 4.99 | 266,811 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,703 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,028 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,013 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,149 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,285 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,271 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,994 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,394 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,277 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,928 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,603 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,860 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,163 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,556 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,882 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,859 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,223 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,381 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,723 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,717 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,196 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,906 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,575 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,653 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,167 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,341 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,191 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,969 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,005 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,376 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,390 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,256 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,866 |
| Boundary Waters | 0 | - | 4.92 | 88,742 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,393 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,639 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,260 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,917 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,913 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,764 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,327 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,881 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,270 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,600 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,704 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,837 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,172 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,513 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,570 |
| Largest City by Island | 0 | - | 4.87 | 72,404 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,391 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,631 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,097 |
| Megacities on a World Map | 0 | - | 4.98 | 256,708 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,733 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,607 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,121 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,235 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,588 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,735 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,836 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,486 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,154 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,489 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,840 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,720 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,593 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,850 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,634 |
| Most Populous Islands | 0 | - | 4.80 | 123,278 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,377 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,638 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,969 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,462 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,772 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,294 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,925 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,614 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,814 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,808 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,936 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,514 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,938 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,061 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,395 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,423 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,126 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,476 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,200 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,835,504 |
| Landlocked Countries | 0 | - | 4.99 | 425,098 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,665 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,895 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,355 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,738 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,092 |
| Population Trivia | 0 | - | 4.32 | 27,557 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,766 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,055 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,639 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,139 |
| Biggest City by Region | 0 | - | 4.50 | 36,381 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,320 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,642 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,288 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,954 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,616 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,634 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,300 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,434 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,530 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,365 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,559 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,692 |
| World Capitals Quiz | 0 | - | 5.00 | 5,102,793 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,935 |
| Himalayan Countries | 0 | - | 4.93 | 139,986 |
| Andean Countries | 0 | - | 4.94 | 85,298 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,456 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,806 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,028 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,321 |
| Danube Countries | 0 | - | 4.97 | 72,314 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,482 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,759 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,983 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,476 |
| European Landlocked Countries | 0 | - | 4.99 | 147,532 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,190 |
| Countries with the Most Species | 0 | - | 4.99 | 103,519 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,320 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,742 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,851 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,789 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,524 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,956 |
| Countries in the Alps | 0 | - | 4.87 | 118,687 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,484 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,738 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,919 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,963 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,882 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,189 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,318 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,811 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,374 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,122 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,821 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,695 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,500 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,735 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,831 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,687 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,561 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,691 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,591 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,452 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,993 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,474 |
| Largest Countries By Category | 0 | - | 4.97 | 158,769 |
| Countries by Countries | 0 | - | 4.96 | 63,580 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,185 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,378 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,653 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,805 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,361 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,040 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,800,555 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,414 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,753 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,144 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,943 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,527 |
| Longest International Borders | 0 | - | 4.99 | 265,742 |
| Countries with Three Borders | 0 | - | 4.96 | 36,747 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,327 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,466 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,167 |
| Demonym of Every Country | 0 | - | 4.90 | 61,404 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,385 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,992 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,648 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,766 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,884 |
| Biggest Cities in History | 0 | - | 4.52 | 90,554 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,924 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,006 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,960 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,216 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,599 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,439 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,396 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,081 |
