| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,455 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,835 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,969 |
| Island Countries | 0 | - | 4.99 | 707,210 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,188 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,387 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,850 |
| Countries with Megacities | 0 | - | 4.99 | 246,142 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,767 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,726 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,231 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,661 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,369 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,529 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,173 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,976 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,942 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,396 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,988 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,114 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,714 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,661 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,741 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,390 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,477 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,142 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,431 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,383 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,456 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,627 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,552 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,301 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,371 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,383 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,929 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,042 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,625 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,541 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,230 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,574 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,626 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,067 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,190 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,918 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,447 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,785 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,166 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,122 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,755 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,643 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,664 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,027 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,081 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,147 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,742 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,275 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,459 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,217 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,183 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,668 |
| Largest City by Island | 0 | - | 4.87 | 70,932 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,191 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,383 |
| Biggest European Cities by Century | 0 | - | 4.98 | 129,668 |
| Megacities on a World Map | 0 | - | 4.98 | 250,131 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,709 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,734 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,452 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,040 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,974 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,286 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,135 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,174 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,497 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,476 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,709 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,086 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,984 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,950 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,516 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,584 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,796 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,848 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,689 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,793 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,669 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,888 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,756 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,246 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,045 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,682 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,067 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,501 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,556 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,317 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,207 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,456 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,847,373 |
| Landlocked Countries | 0 | - | 4.99 | 412,836 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,511 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,128 |
| Name a Valid Island Country | 0 | - | 4.96 | 113,926 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,894 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,071 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,366 |
| Population Trivia | 0 | - | 4.32 | 27,409 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,865 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,826 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,879 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,641 |
| Biggest City by Region | 0 | - | 4.50 | 35,963 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,860 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,470 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,033 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,247 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,438 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,995 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,200 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,878 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,641 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,230 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,599 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,169 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,215 |
| Himalayan Countries | 0 | - | 4.95 | 135,036 |
| Andean Countries | 0 | - | 4.94 | 82,653 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,076 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,972 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,747 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,453 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,632 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,278 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,184 |
| European Landlocked Countries | 0 | - | 4.99 | 145,662 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,040 |
| Countries with the Most Species | 0 | - | 4.99 | 95,181 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,182 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,172 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,905 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,504 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,862 |
| Countries in the Alps | 0 | - | 4.87 | 116,675 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,460 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,056 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,317 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,933 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,459 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,680 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,167 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,963 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,994 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,357 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,668 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,851 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,560 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,197 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,658 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,807 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,348 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,531 |
| Largest Countries By Category | 0 | - | 4.97 | 156,598 |
| Countries by Countries | 0 | - | 4.96 | 62,159 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,201 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,930 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,305 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,368 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 97,993 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,648 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,329 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,622 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,454 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,475 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,211 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,399 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,122 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,539 |
| Longest International Borders | 0 | - | 4.99 | 263,356 |
| Countries with Three Borders | 0 | - | 4.96 | 36,128 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,550 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,598 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,827 |
| Demonym of Every Country | 0 | - | 4.91 | 58,560 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,167 |
| People Born on Islands | 0 | - | 4.39 | 52,717 |
| Islands by Picture | 0 | - | 4.29 | 105,735 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,202 |
| Name a Valid Island | 0 | - | 4.78 | 68,403 |
| Island Superlatives | 0 | - | 4.57 | 34,454 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,200 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,336 |
