| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,833 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,864 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,586 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,863 |
| Countries with Megacities | 0 | - | 4.99 | 266,530 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,572 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,953 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,864 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,060 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,588 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,092 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,460 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,992 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,364 |
| Boundary Waters | 0 | - | 4.92 | 88,716 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,372 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,583 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,194 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,859 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,862 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,348 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,230 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,827 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,542 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,821 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,109 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,506 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,818 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,774 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,071 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,307 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,466 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,650 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,154 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,838 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,543 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,606 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,125 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,282 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,093 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,135 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,519 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,705 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,590 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,274 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,859 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,200 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,550 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,665 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,790 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,142 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,459 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,501 |
| Largest City by Island | 0 | - | 4.87 | 72,358 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,366 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,578 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,053 |
| Megacities on a World Map | 0 | - | 4.98 | 256,528 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,704 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,554 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,963 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,203 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,523 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,658 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,804 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,459 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,122 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,470 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,808 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,669 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,529 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,774 |
| Most Populous Islands | 0 | - | 4.80 | 123,244 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,364 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,621 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,958 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,436 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,338 |
| Landlocked Countries | 0 | - | 4.99 | 424,693 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,621 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,744 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,795,786 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,868 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,305 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,139 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,846 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,503 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,756 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,780 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,897 |
| Population Trivia | 0 | - | 4.32 | 27,548 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,475 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,885 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,991 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,384 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,082 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,442 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,171 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,715 |
| Himalayan Countries | 0 | - | 4.93 | 139,833 |
| Andean Countries | 0 | - | 4.94 | 85,214 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,393 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,695 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,956 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,260 |
| Danube Countries | 0 | - | 4.97 | 72,289 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,437 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,726 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,892 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,392 |
| European Landlocked Countries | 0 | - | 4.99 | 147,476 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,116 |
| Countries with the Most Species | 0 | - | 4.99 | 103,503 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,265 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,717 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,828 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,762 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,495 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,917 |
| Countries in the Alps | 0 | - | 4.87 | 118,617 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,373 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,637 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,888 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,914 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,839 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,149 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,277 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,782 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,350 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,082 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,802 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,671 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,465 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,704 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,791 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,561 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,532 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,586 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,513 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,273 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,887 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,441 |
| Largest Countries By Category | 0 | - | 4.97 | 158,687 |
| Countries by Countries | 0 | - | 4.96 | 63,529 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,133 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,368 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,645 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,626 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,292 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,999 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,367 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,952 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,730 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,596 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,805 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,496 |
| Longest International Borders | 0 | - | 4.99 | 265,660 |
| Countries with Three Borders | 0 | - | 4.96 | 36,730 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,300 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,446 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,152 |
| Demonym of Every Country | 0 | - | 4.90 | 61,337 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,713 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,187 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,087 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,797,441 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,376 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,973 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,622 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,054 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,017 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,626 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,129 |
| Biggest City by Region | 0 | - | 4.50 | 36,366 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,301 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,523 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,289 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,427 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,503 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,547 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,745 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,270 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,937 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,504 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,564 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,275 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,186 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,368 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,080 |
| Island Countries | 0 | - | 4.99 | 712,144 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,496 |
| Northernmost Countries | 0 | - | 4.99 | 363,493 |
| Countries of South America | 0 | - | 5.00 | 931,193 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,519 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,940 |
| "Land" Countries | 0 | - | 4.98 | 338,106 |
| Top World Languages | 0 | - | 4.92 | 828,430 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,694 |
| Globe Grid | 0 | - | 4.32 | 32,034 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,110 |
