| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,031 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,266 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,479 |
| Island Countries | 0 | - | 4.99 | 708,133 |
| 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 | 171,786 |
| Countries with Megacities | 0 | - | 4.99 | 247,945 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,668 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,283 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,050 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,239 |
| 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 | 71,105 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,048 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,318 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,197 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,152 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,256 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,109 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,408 |
| 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 | 92,889 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,468 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,936 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,063 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,607 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,166 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,943 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,796 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,736 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,832 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,253 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,336 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,872 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,893 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,837 |
| 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 | 414,475 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,946 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,294 |
| Boundary Waters | 0 | - | 4.92 | 88,122 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,885 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,458 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,536 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,972 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,877 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,579 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,507 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,243 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,588 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,145 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,570 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,756 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,383 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,992 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,382 |
| 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 | 174,747 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,634 |
| Megacities on a World Map | 0 | - | 4.98 | 251,590 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,923 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,077 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,137 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,297 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,397 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,703 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,484 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,406 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,763 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,671 |
| 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 | 164,309 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,339 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,287 |
| 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 | - | 4.85 | 23,037 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,314 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,264 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,108 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,137 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,910 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,586 |
| 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 | 115,791 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,646 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,753 |
| Megacities on an Empty Map | 0 | - | 4.96 | 111,778 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,431 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,749 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,024,119 |
| Landlocked Countries | 0 | - | 4.99 | 414,938 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,663 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,320 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,206 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,261 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,156 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,212 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,634 |
| Population Trivia | 0 | - | 4.32 | 27,436 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,053 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,050 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,942 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,781 |
| Biggest City by Region | 0 | - | 4.50 | 36,031 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,946 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,606 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,195 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,835 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,834 |
| 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 | 114,084 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,286 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,084 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,344 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,118 |
| Himalayan Countries | 0 | - | 4.95 | 135,824 |
| Andean Countries | 0 | - | 4.94 | 83,096 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,420 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,526 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,121 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,777 |
| Danube Countries | 0 | - | 4.97 | 71,218 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,945 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,669 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,773 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,688 |
| European Landlocked Countries | 0 | - | 4.99 | 145,917 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,438 |
| Countries with the Most Species | 0 | - | 4.99 | 95,317 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,582 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,249 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,422 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,037 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,686 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,049 |
| Countries in the Alps | 0 | - | 4.86 | 117,045 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,715 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,507 |
| 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 | 115,332 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,111 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,743 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,652 |
| 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 | 41,116 |
| 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 | 76,862 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,359 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,761 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,333 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,973 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,032 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,082 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,700 |
| Largest Countries By Category | 0 | - | 4.97 | 156,964 |
| Countries by Countries | 0 | - | 4.96 | 62,403 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,594 |
| 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 | 107,170 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,245 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,903 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,426 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,847 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,528 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,674 |
| 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 | 206,769 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,717 |
| Longest International Borders | 0 | - | 4.99 | 264,036 |
| 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 | 47,769 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,904 |
| Demonym of Every Country | 0 | - | 4.91 | 58,763 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,206 |
| People Born on Islands | 0 | - | 4.39 | 52,780 |
| Islands by Picture | 0 | - | 4.29 | 106,114 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,246 |
| Name a Valid Island | 0 | - | 4.78 | 68,552 |
| Island Superlatives | 0 | - | 4.57 | 34,493 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,226 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,473 |
