| 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 | 322,974 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,851 |
| Countries with Megacities | 0 | - | 4.99 | 246,146 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,769 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,727 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,663 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,407 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,997 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,122 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,626 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,067 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,167 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,122 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,757 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,715 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,666 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,742 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,391 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,479 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,143 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,435 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,389 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,460 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,632 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,558 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,307 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,371 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,384 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,930 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,045 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,625 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,546 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,230 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,194 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,929 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,448 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,668 |
| 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 | 129,148 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,744 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,278 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,462 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,218 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,186 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,671 |
| Largest City by Island | 0 | - | 4.87 | 70,934 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,196 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,383 |
| Biggest European Cities by Century | 0 | - | 4.98 | 130,217 |
| Megacities on a World Map | 0 | - | 4.98 | 250,145 |
| 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 | 112,455 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,975 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,286 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,136 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,174 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,498 |
| 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 | 96,087 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,985 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,952 |
| Most Populous Islands | 0 | - | 4.78 | 121,902 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,188 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,387 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,585 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,796 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,529 |
| Landlocked Countries | 0 | - | 4.99 | 412,842 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,526 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,849 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,848,044 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,896 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,690 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,795 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,671 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,890 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,758 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,247 |
| Population Trivia | 0 | - | 4.32 | 27,409 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,045 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,685 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,068 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,501 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,318 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,207 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,457 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,219 |
| Himalayan Countries | 0 | - | 4.95 | 135,042 |
| Andean Countries | 0 | - | 4.94 | 82,654 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,077 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,975 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,749 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,455 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,633 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,279 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,188 |
| European Landlocked Countries | 0 | - | 4.99 | 145,662 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,042 |
| Countries with the Most Species | 0 | - | 4.99 | 95,184 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,187 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,173 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,907 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,862 |
| Countries in the Alps | 0 | - | 4.87 | 116,678 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,464 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,059 |
| 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 | 115,061 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,933 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,465 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,682 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,223 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,964 |
| 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 | 76,670 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,852 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,562 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,198 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,659 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,810 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,349 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,533 |
| Largest Countries By Category | 0 | - | 4.97 | 156,600 |
| Countries by Countries | 0 | - | 4.96 | 62,159 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,203 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,930 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,370 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 97,995 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,648 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,623 |
| 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 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,125 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,539 |
| Longest International Borders | 0 | - | 4.99 | 263,357 |
| 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 | 47,600 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,827 |
| Demonym of Every Country | 0 | - | 4.91 | 58,560 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,071 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,568 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,228 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,406 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,200 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,337 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 62,977 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,368 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,828 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,880 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,642 |
| Biggest City by Region | 0 | - | 4.50 | 35,964 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,862 |
| 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 | 82,879 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,230 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,865 |
| 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 | 222,253 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,442 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,644 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,793 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,813 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,963 |
| Island Countries | 0 | - | 4.99 | 707,217 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,277 |
| Northernmost Countries | 0 | - | 4.99 | 357,216 |
| Countries of South America | 0 | - | 5.00 | 913,307 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,507 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,844,995 |
| "Land" Countries | 0 | - | 4.98 | 333,404 |
| Top World Languages | 0 | - | 4.92 | 811,896 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,122 |
| Globe Grid | 0 | - | 4.32 | 31,926 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,253 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,370 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,267 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,826 |
