| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,287 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,382 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,593 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,977 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,569 |
| Asia Capital to Country | 0 | - | 4.96 | 126,892 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,672 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,686 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,454 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,471 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,874 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,405 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,705 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,052 |
| Capitals of the Stans | 0 | - | 4.95 | 26,933 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,994 |
| Countries with Megacities | 0 | - | 4.99 | 264,801 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,830 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,522 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,084 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,600 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,775 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,114 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,332 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,833 |
| Asia Map Quiz | 0 | - | 4.99 | 919,985 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,094 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,975 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,279 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,204 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,599 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,777 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,248 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,357 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,156 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,049 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,824 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 143,201 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,225 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,828 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,914 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,389 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,219 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,331 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,864 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,952 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,207 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,503 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,873 |
| Name a City - European Countries | 0 | - | 4.90 | 65,653 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,004 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,017 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,355 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,998 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,532 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,908 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,051 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,091 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,121 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,906 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,913 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,309 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,719 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,773 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,188 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,358 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,518 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,000 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,110 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,040 |
| Largest City by Island | 0 | - | 4.87 | 72,094 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,191 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,247 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,812 |
| Megacities on a World Map | 0 | - | 4.98 | 255,447 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,627 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,529 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,218 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,302 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,747 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,274 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,535 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,318 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,941 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,354 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,655 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,430 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,004 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,429 |
| Europe Capital to Country | 0 | - | 4.99 | 250,957 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,247 |
| European Capitals by Map | 0 | - | 4.99 | 140,054 |
| African Capitals by Map | 0 | - | 4.99 | 134,206 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,323 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,665 |
| European Coastal Capitals | 0 | - | 4.95 | 90,855 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,942 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,646 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,936 |
| Countries of the Middle East | 0 | - | 4.96 | 201,754 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,229 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,396 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,275 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,824 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,060 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,391 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,249 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,433 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,973 |
| Random Asian City to Country | 0 | - | 4.56 | 44,563 |
| Most Populous Islands | 0 | - | 4.80 | 123,072 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,328 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,576 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,881 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,880 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,560 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,328 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,179 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,540 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,589 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,422 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,233 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,903 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,757 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,213 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,937 |
| Official Cities in the UK | 0 | - | 4.89 | 284,629 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,748 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,705 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,733 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,649 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,747 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,227 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,551 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,215 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,316 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,032 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,565 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,782 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,432 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,589 |
| Monarchies of Asia | 0 | - | 4.97 | 71,245 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,040 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,548 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,289 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,412 |
| Boundary Waters | 0 | - | 4.92 | 88,596 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,312 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,784 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,650 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,613 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,608 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,022 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,654 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,896 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,138 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,755 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,427 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,477 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,257 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,074 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,282 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,819 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,307 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,510 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,626 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,719 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,367 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,427 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,029 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,522 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,525 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,260 |
| Japan Country Quiz | 0 | - | 4.93 | 142,772 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,906 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,829 |
| Syria Country Quiz | 0 | - | 4.81 | 32,890 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,939 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,486 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,119 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,865 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,770 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,571 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,056 |
| Biggest City by Region | 0 | - | 4.50 | 36,293 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,202 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,233 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,384 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,368 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,467 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,947 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,612,378 |
| Landlocked Countries | 0 | - | 4.99 | 422,353 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,934 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,940 |
| States of India Map Quiz | 0 | - | 4.83 | 26,634 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,605 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,212 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,364 |
