| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,806 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,389 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,793 |
| Countries with Megacities | 0 | - | 4.99 | 250,548 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,647 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,859 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,946 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,841 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,457 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,504 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,069 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,780 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,199 |
| Boundary Waters | 0 | - | 4.92 | 88,349 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,055 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,863 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,091 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,298 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,223 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,643 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,476 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,270 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,603 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,224 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,295 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,851 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,392 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,779 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,915 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,790 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,557 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,277 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,126 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,360 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,600 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,711 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,167 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,299 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,715 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,183 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,836 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,360 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,940 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,298 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,466 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,133 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,632 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,920 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,104 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,790 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,957 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,886 |
| Largest City by Island | 0 | - | 4.87 | 71,603 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,731 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,580 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,181 |
| Megacities on a World Map | 0 | - | 4.98 | 253,016 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,164 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,617 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,064 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,604 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,006 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,663 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,042 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,030 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,251 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,127 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,399 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,029 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,719 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,826 |
| Most Populous Islands | 0 | - | 4.80 | 122,747 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,488 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,748 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,102 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,616 |
| Landlocked Countries | 0 | - | 4.99 | 418,279 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,468 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,278 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,292,161 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,475 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,568 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,306 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,404 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,936 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,556 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,143 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,989 |
| Population Trivia | 0 | - | 4.32 | 27,470 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,623 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,629 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,534 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,848 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,005 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,742 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,545 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,655 |
| Himalayan Countries | 0 | - | 4.94 | 137,135 |
| Andean Countries | 0 | - | 4.95 | 83,779 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,031 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,408 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,703 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,258 |
| Danube Countries | 0 | - | 4.97 | 71,586 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,454 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,990 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,526 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,587 |
| European Landlocked Countries | 0 | - | 4.99 | 146,699 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,026 |
| Countries with the Most Species | 0 | - | 4.99 | 102,822 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,168 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,402 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,559 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,933 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,312 |
| Countries in the Alps | 0 | - | 4.87 | 117,591 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,071 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,256 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,916 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,024 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,400 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,196 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,134 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,930 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,497 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,445 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,304 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,877 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,142 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,162 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,049 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,015 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,538 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,433 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,025 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,076 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,947 |
| Largest Countries By Category | 0 | - | 4.97 | 157,539 |
| Countries by Countries | 0 | - | 4.96 | 62,781 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,126 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,142 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,457 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,305 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,588 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,264 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,316 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,713 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,181 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,377 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,936 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,029 |
| Longest International Borders | 0 | - | 4.99 | 264,563 |
| Countries with Three Borders | 0 | - | 4.96 | 36,426 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,879 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,974 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,990 |
| Demonym of Every Country | 0 | - | 4.91 | 59,101 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,388 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,486 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,287 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,056 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,275 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,642 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,319 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,460 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,356 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,036 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,904 |
| Biggest City by Region | 0 | - | 4.50 | 36,108 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,041 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,140 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,314 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,145 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,350 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,292 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,767 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,369 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,744 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,423 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,822 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,688 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,434 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,784 |
| Island Countries | 0 | - | 4.99 | 709,496 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,381 |
| Northernmost Countries | 0 | - | 4.99 | 360,196 |
| Countries of South America | 0 | - | 5.00 | 922,143 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,008 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,605 |
| "Land" Countries | 0 | - | 4.98 | 335,660 |
| Top World Languages | 0 | - | 4.92 | 819,543 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,323 |
| Globe Grid | 0 | - | 4.32 | 31,978 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,661 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,094 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,996 |
