| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,984 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,266 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,097 |
| Countries with Megacities | 0 | - | 4.99 | 267,010 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,803 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,105 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,119 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,217 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,866 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,418 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,361 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,024 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,384 |
| Boundary Waters | 0 | - | 4.92 | 88,755 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,406 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,683 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,327 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,945 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,947 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,416 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,310 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,996 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,637 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,888 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,201 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,599 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,916 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,926 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,712 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,347 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,433 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,883 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,765 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,232 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,946 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,608 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,702 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,197 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,374 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,291 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,543 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,770 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,975 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,905 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,375 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,899 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,328 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,653 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,741 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,880 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,185 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,566 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,633 |
| Largest City by Island | 0 | - | 4.87 | 72,440 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,416 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,675 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,128 |
| Megacities on a World Map | 0 | - | 4.98 | 256,844 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,755 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,651 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,354 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,260 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,636 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,787 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,871 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,510 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,188 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,509 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,850 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,750 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,640 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,909 |
| Most Populous Islands | 0 | - | 4.80 | 123,317 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,380 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,647 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,976 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,481 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,852 |
| Landlocked Countries | 0 | - | 4.99 | 425,606 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 587,778 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,795 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,864,630 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,916 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,377 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,374 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,003 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,679 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,842 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,830 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,970 |
| Population Trivia | 0 | - | 4.32 | 27,564 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,551 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,975 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,123 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,413 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,182 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,500 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,228 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,147 |
| Himalayan Countries | 0 | - | 4.93 | 140,154 |
| Andean Countries | 0 | - | 4.94 | 85,388 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,535 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,925 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,110 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,388 |
| Danube Countries | 0 | - | 4.97 | 72,355 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,558 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,807 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,070 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,566 |
| European Landlocked Countries | 0 | - | 4.99 | 147,585 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,264 |
| Countries with the Most Species | 0 | - | 4.99 | 103,547 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,374 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,768 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,873 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,825 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,563 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,989 |
| Countries in the Alps | 0 | - | 4.87 | 118,743 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,569 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,823 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,945 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,005 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,926 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,232 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,374 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,836 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,407 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,154 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,854 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,731 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,541 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,767 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,869 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,782 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,593 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,775 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,638 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,599 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,098 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,490 |
| Largest Countries By Category | 0 | - | 4.97 | 158,829 |
| Countries by Countries | 0 | - | 4.96 | 63,623 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,226 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,391 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,660 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,915 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,415 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,089 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,443 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,979 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,784 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,614 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,045 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,558 |
| Longest International Borders | 0 | - | 4.99 | 265,796 |
| Countries with Three Borders | 0 | - | 4.96 | 36,763 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,343 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,488 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,175 |
| Demonym of Every Country | 0 | - | 4.90 | 61,460 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,755 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,622 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,899 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,270 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,390 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,011 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,665 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,115 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,087 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,645 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,152 |
| Biggest City by Region | 0 | - | 4.50 | 36,389 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,332 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,304 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,440 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,542 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,568 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,782 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,307 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,966 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,719 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,697 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,438 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,837 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,136 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,630 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,593 |
| Island Countries | 0 | - | 4.99 | 712,490 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,503 |
| Northernmost Countries | 0 | - | 4.99 | 363,905 |
| Countries of South America | 0 | - | 5.00 | 932,419 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,011 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,622 |
| "Land" Countries | 0 | - | 4.98 | 338,340 |
| Top World Languages | 0 | - | 4.92 | 829,548 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,727 |
| Globe Grid | 0 | - | 4.32 | 32,037 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,153 |
