| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,729 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,745 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,363 |
| Island Countries | 0 | - | 4.99 | 711,830 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,352 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,608 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,469 |
| Countries with Megacities | 0 | - | 4.99 | 265,929 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,269 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,762 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,523 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,873 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,353 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,383 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,751 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,607 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,441 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,441 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,776 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,564 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,275 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,130 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,636 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,447 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,739 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,993 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,411 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,698 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,598 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,773 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,194 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,985 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,544 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,070 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,715 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,462 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,529 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,052 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,180 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,811 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,882 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,913 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,967 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,348 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,796 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,420 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,473 |
| Boundary Waters | 0 | - | 4.92 | 88,681 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,342 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,497 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,076 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,803 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,805 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,328 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,149 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,818 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,052 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,441 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,563 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,703 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,097 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,368 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,396 |
| Largest City by Island | 0 | - | 4.87 | 72,269 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,314 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,493 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,984 |
| Megacities on a World Map | 0 | - | 4.98 | 256,188 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,654 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,459 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,763 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,159 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,410 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,553 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,715 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,405 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,080 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,427 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,742 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,596 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,445 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,667 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,815 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,933 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,407 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,686 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,962 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,710 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,343 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,671 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,739 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,805 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,390 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,818 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,887 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,331 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,811 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,003 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,386 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,091 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,742,900 |
| Landlocked Countries | 0 | - | 4.99 | 423,970 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,811 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,072 |
| Name a Valid Island Country | 0 | - | 4.96 | 121,617 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,825 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,231 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,676 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,008 |
| Population Trivia | 0 | - | 4.32 | 27,536 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,703 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,952 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,610 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,104 |
| Biggest City by Region | 0 | - | 4.50 | 36,338 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,265 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,232 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,892 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,310 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,445 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,275 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,415 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,469 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,129 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,520 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,333 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,704 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,406 |
| Himalayan Countries | 0 | - | 4.94 | 139,574 |
| Andean Countries | 0 | - | 4.94 | 85,083 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,270 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,496 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,830 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,137 |
| Danube Countries | 0 | - | 4.97 | 72,219 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,325 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,641 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,735 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,241 |
| European Landlocked Countries | 0 | - | 4.99 | 147,399 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,005 |
| Countries with the Most Species | 0 | - | 4.99 | 103,431 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,126 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,687 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,799 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,708 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,443 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,856 |
| Countries in the Alps | 0 | - | 4.87 | 118,507 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,119 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,480 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,822 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,820 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,756 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,101 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,938 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,686 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,310 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,026 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,769 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,634 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,399 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,642 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,733 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,397 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,480 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,311 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,383 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,966 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,696 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,391 |
| Largest Countries By Category | 0 | - | 4.97 | 158,561 |
| Countries by Countries | 0 | - | 4.96 | 63,452 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,027 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,351 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,626 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,320 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,215 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,923 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,974 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,279 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,930 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,669 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,578 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,069 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,602 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,447 |
| Longest International Borders | 0 | - | 4.99 | 265,543 |
| Countries with Three Borders | 0 | - | 4.96 | 36,696 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,259 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,379 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,124 |
| Demonym of Every Country | 0 | - | 4.90 | 61,182 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,465 |
| People Born on Islands | 0 | - | 4.39 | 53,015 |
| Islands by Picture | 0 | - | 4.28 | 107,536 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,462 |
| Name a Valid Island | 0 | - | 4.78 | 69,254 |
| Island Superlatives | 0 | - | 4.57 | 34,672 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,356 |
