| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,032 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,268 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,494 |
| Island Countries | 0 | - | 4.99 | 708,138 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,221 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,429 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,788 |
| Countries with Megacities | 0 | - | 4.99 | 247,955 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,674 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,292 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,056 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,241 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,499 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,826 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,275 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,106 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,048 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,344 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,204 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,168 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,259 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,114 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,414 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,111 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,597 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,890 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,471 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,937 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,068 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,617 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,168 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,947 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,797 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,738 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,834 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,254 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,338 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,872 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,893 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,838 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,780 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,696 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,128 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,484 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,984 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,299 |
| Boundary Waters | 0 | - | 4.92 | 88,122 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,886 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,461 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,537 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,974 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,879 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,583 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,510 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,244 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,592 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,148 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,570 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,757 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,383 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,993 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,458 |
| Largest City by Island | 0 | - | 4.87 | 71,206 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,498 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,749 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,635 |
| Megacities on a World Map | 0 | - | 4.98 | 251,599 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,924 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,082 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,143 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,298 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,400 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,704 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,485 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,406 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,765 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,674 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,925 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,374 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,311 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,341 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,300 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,658 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,923 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,038 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,316 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,268 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,110 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,139 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,910 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,587 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,277 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,222 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,795 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,646 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,762 |
| Megacities on an Empty Map | 0 | - | 4.97 | 112,083 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,432 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,752 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,025,355 |
| Landlocked Countries | 0 | - | 4.99 | 414,950 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,712 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,320 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,208 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,262 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,157 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,212 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,642 |
| Population Trivia | 0 | - | 4.32 | 27,436 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,054 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,052 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,943 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,782 |
| Biggest City by Region | 0 | - | 4.50 | 36,031 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,948 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,607 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,198 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,844 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,837 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,061 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,249 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,982 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,086 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,286 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,089 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,435 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,131 |
| Himalayan Countries | 0 | - | 4.95 | 135,830 |
| Andean Countries | 0 | - | 4.94 | 83,097 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,422 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,530 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,123 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,781 |
| Danube Countries | 0 | - | 4.97 | 71,220 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,947 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,670 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,774 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,693 |
| European Landlocked Countries | 0 | - | 4.99 | 145,920 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,440 |
| Countries with the Most Species | 0 | - | 4.99 | 95,317 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,584 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,251 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,423 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,037 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,688 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,051 |
| Countries in the Alps | 0 | - | 4.86 | 117,046 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,715 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,513 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,133 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,546 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,333 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,744 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,653 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,174 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,255 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,119 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,578 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,852 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,864 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,361 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,762 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,333 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,975 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,043 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,091 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,702 |
| Largest Countries By Category | 0 | - | 4.97 | 156,965 |
| Countries by Countries | 0 | - | 4.96 | 62,404 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,597 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,008 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,369 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,173 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,246 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,903 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,551 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,847 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,530 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,676 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,278 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,519 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,772 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,721 |
| Longest International Borders | 0 | - | 4.99 | 264,040 |
| Countries with Three Borders | 0 | - | 4.96 | 36,269 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,681 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,771 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,904 |
| Demonym of Every Country | 0 | - | 4.91 | 58,764 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,206 |
| People Born on Islands | 0 | - | 4.39 | 52,780 |
| Islands by Picture | 0 | - | 4.29 | 106,118 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,247 |
| Name a Valid Island | 0 | - | 4.78 | 68,553 |
| Island Superlatives | 0 | - | 4.57 | 34,493 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,226 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,473 |
