| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,501 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,516 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,202 |
| Island Countries | 0 | - | 4.99 | 711,273 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,332 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,584 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,097 |
| Countries with Megacities | 0 | - | 4.99 | 265,024 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,585 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,173 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,660 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,272 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,216 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,694 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,526 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,373 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,249 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,235 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,848 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,120 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,007 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,348 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,250 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,622 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,812 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,278 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,430 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,257 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,196 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,889 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 145,606 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,288 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,881 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,466 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,257 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,369 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,896 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,000 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,383 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,750 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,789 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,921 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,314 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,086 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,920 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,968 |
| Boundary Waters | 0 | - | 4.92 | 88,612 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,280 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,345 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,829 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,676 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,637 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,717 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,937 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,729 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,812 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,223 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,389 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,543 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,016 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,159 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,110 |
| Largest City by Island | 0 | - | 4.87 | 72,130 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,219 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,295 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,841 |
| Megacities on a World Map | 0 | - | 4.98 | 255,590 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,555 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,264 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,385 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,027 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,806 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,340 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,566 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,332 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,963 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,362 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,669 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,460 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,268 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,439 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,839 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,892 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,336 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,562 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,480 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,338 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,783 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,423 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,616 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,586 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,206 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,632 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,477 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,251 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,074 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,818 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,242 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,956 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,635,319 |
| Landlocked Countries | 0 | - | 4.99 | 422,644 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,093 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,966 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,190 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,743 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,085 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,622 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,890 |
| Population Trivia | 0 | - | 4.32 | 27,524 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,629 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,799 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,063 |
| Biggest City by Region | 0 | - | 4.50 | 36,298 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,214 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,085 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,726 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,961 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,183 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,241 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,385 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,831 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,477 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,955 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,383 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,850 |
| Himalayan Countries | 0 | - | 4.95 | 139,033 |
| Andean Countries | 0 | - | 4.93 | 84,800 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,026 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,105 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,615 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,928 |
| Danube Countries | 0 | - | 4.97 | 72,099 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,130 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,499 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,453 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,944 |
| European Landlocked Countries | 0 | - | 4.99 | 147,234 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,770 |
| Countries with the Most Species | 0 | - | 4.99 | 103,310 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,890 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,631 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,750 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,599 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,320 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,743 |
| Countries in the Alps | 0 | - | 4.87 | 118,314 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,541 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,195 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,721 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,674 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,586 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,001 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,758 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,570 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,227 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,925 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,691 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,574 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,299 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,542 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,608 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,062 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,373 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,501 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,205 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,299 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,329 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,286 |
| Largest Countries By Category | 0 | - | 4.97 | 158,348 |
| Countries by Countries | 0 | - | 4.96 | 63,321 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,776 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,311 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,583 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,821 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,091 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,750 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,397 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,762 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,875 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,564 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,518 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,963 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,166 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,340 |
| Longest International Borders | 0 | - | 4.99 | 265,315 |
| Countries with Three Borders | 0 | - | 4.96 | 36,641 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,158 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,266 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,091 |
| Demonym of Every Country | 0 | - | 4.91 | 60,861 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,431 |
| People Born on Islands | 0 | - | 4.39 | 52,981 |
| Islands by Picture | 0 | - | 4.28 | 107,324 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,435 |
| Name a Valid Island | 0 | - | 4.78 | 69,027 |
| Island Superlatives | 0 | - | 4.57 | 34,651 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,342 |
