| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,983 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,260 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,096 |
| Countries with Megacities | 0 | - | 4.99 | 267,008 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,801 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,102 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,117 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,217 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,843 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,415 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,352 |
| 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 | 88,754 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,406 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,682 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,325 |
| "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 | 128,415 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,309 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,995 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,636 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,888 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,199 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,598 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,916 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,925 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,344 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,431 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,877 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,762 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,231 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,946 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,607 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,700 |
| 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 | 132,290 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,538 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,758 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,970 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,903 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,374 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,899 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,326 |
| 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 | 90,878 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,184 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,564 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,630 |
| Largest City by Island | 0 | - | 4.87 | 72,440 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,675 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,125 |
| Megacities on a World Map | 0 | - | 4.98 | 256,841 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,754 |
| 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 | 169,633 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,786 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,869 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,509 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,187 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,508 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,850 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,749 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,639 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,909 |
| Most Populous Islands | 0 | - | 4.80 | 123,316 |
| 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 | 64,479 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,843 |
| Landlocked Countries | 0 | - | 4.99 | 425,597 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 587,748 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,795 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,863,953 |
| 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 | 185,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,678 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,842 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,829 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,968 |
| Population Trivia | 0 | - | 4.32 | 27,564 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,548 |
| 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 | 50,412 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,179 |
| 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 | 166,143 |
| Himalayan Countries | 0 | - | 4.93 | 140,150 |
| Andean Countries | 0 | - | 4.94 | 85,386 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,530 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,923 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,108 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,384 |
| Danube Countries | 0 | - | 4.97 | 72,353 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,553 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,804 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,067 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,561 |
| European Landlocked Countries | 0 | - | 4.99 | 147,584 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,261 |
| Countries with the Most Species | 0 | - | 4.99 | 103,546 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,373 |
| 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 | 59,824 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,562 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,987 |
| Countries in the Alps | 0 | - | 4.87 | 118,742 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,567 |
| 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 | 116,925 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,232 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,373 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,834 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,405 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,154 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,853 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,731 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,540 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,765 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,869 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,779 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,592 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,772 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,637 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,596 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,094 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,490 |
| Largest Countries By Category | 0 | - | 4.97 | 158,826 |
| Countries by Countries | 0 | - | 4.96 | 63,622 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,225 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,390 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,660 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,913 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,415 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,088 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,442 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,976 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,783 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,614 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,041 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,558 |
| Longest International Borders | 0 | - | 4.99 | 265,795 |
| Countries with Three Borders | 0 | - | 4.96 | 36,762 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,342 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,487 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,175 |
| Demonym of Every Country | 0 | - | 4.90 | 61,458 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,755 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,619 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,851 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,211 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,389 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,010 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,665 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,114 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,085 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,645 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,151 |
| Biggest City by Region | 0 | - | 4.50 | 36,388 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,332 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,704 |
| 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 | 57,781 |
| 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 | 225,718 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,697 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,436 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,835 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,115 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,623 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,585 |
| Island Countries | 0 | - | 4.99 | 712,489 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,491 |
| Northernmost Countries | 0 | - | 4.99 | 363,902 |
| Countries of South America | 0 | - | 5.00 | 932,367 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,998 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,570 |
| "Land" Countries | 0 | - | 4.98 | 338,340 |
| Top World Languages | 0 | - | 4.92 | 829,532 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,727 |
| Globe Grid | 0 | - | 4.32 | 32,037 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,152 |
