| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,524 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,886 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,364 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,963 |
| Countries with Megacities | 0 | - | 4.99 | 246,437 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,878 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,777 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,342 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,735 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,186 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,407 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,777 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,643 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,077 |
| Boundary Waters | 0 | - | 4.92 | 88,020 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,221 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,205 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,801 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,060 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,765 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,793 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,801 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,433 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,531 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,194 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,571 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,553 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,712 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,772 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,831 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,416 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,458 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,497 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,997 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,109 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,690 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,620 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,449 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,415 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,845 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,611 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,867 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,120 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,105 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,232 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,829 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,342 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,516 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,246 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,317 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,766 |
| Largest City by Island | 0 | - | 4.87 | 70,986 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,337 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,462 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,399 |
| Megacities on a World Map | 0 | - | 4.98 | 250,734 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,749 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,800 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,581 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,082 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,376 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,221 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,204 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,555 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,520 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,754 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,149 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,053 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,022 |
| Most Populous Islands | 0 | - | 4.78 | 121,937 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,194 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,596 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,828 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,900 |
| Landlocked Countries | 0 | - | 4.99 | 413,177 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,633 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,894 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,881,065 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,128 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,948 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,808 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,889 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,751 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,940 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,788 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,323 |
| Population Trivia | 0 | - | 4.32 | 27,416 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,104 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,914 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,198 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,533 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,425 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,257 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,534 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,390 |
| Himalayan Countries | 0 | - | 4.95 | 135,167 |
| Andean Countries | 0 | - | 4.94 | 82,735 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,151 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,082 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,822 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,517 |
| Danube Countries | 0 | - | 4.97 | 71,033 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,698 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,489 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,368 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,285 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,115 |
| Countries with the Most Species | 0 | - | 4.99 | 95,216 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,267 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,351 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,928 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,542 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,903 |
| Countries in the Alps | 0 | - | 4.87 | 116,749 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,515 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,162 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,975 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,371 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,101 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,959 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,513 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,716 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,910 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,009 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,179 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,014 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,400 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,704 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,712 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,964 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,596 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,223 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,723 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,018 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,480 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,568 |
| Largest Countries By Category | 0 | - | 4.97 | 156,680 |
| Countries by Countries | 0 | - | 4.96 | 62,214 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,303 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,948 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,311 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,519 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,047 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,710 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,662 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,471 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,506 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,222 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,269 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,583 |
| Longest International Borders | 0 | - | 4.99 | 263,447 |
| Countries with Three Borders | 0 | - | 4.96 | 36,157 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,583 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,631 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,846 |
| Demonym of Every Country | 0 | - | 4.91 | 58,600 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,103 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,807 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,376 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,644 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,205 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,370 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,000 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,400 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,862 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,889 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,671 |
| Biggest City by Region | 0 | - | 4.50 | 35,982 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,882 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,004 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,211 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,898 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,244 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,908 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,509 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,075 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,364 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,510 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,725 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,978 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,969 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,374 |
| Island Countries | 0 | - | 4.99 | 707,404 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,843 |
| Northernmost Countries | 0 | - | 4.99 | 357,457 |
| Countries of South America | 0 | - | 5.00 | 913,962 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,332 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,542 |
| "Land" Countries | 0 | - | 4.98 | 333,513 |
| Top World Languages | 0 | - | 4.92 | 812,494 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,145 |
| Globe Grid | 0 | - | 4.32 | 31,928 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,292 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,427 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,319 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,842 |
