| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,331 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,166 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,928 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,731 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,394 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,186 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,706 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,529 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,632 |
| Asia Capital to Country | 0 | - | 4.96 | 125,976 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,519 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,282 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,082 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,323 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,723 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,878 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,656 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,356 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,703 |
| Capitals of the Stans | 0 | - | 4.95 | 26,524 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,874 |
| Countries with Megacities | 0 | - | 4.99 | 248,113 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,752 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,336 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,138 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,280 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,914 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,732 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,324 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,489 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,596 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,204 |
| Random European Capital to Country | 0 | - | 4.98 | 189,536 |
| Random European Country to Capital | 0 | - | 4.92 | 147,699 |
| Random African Capital to Country | 0 | - | 4.97 | 99,868 |
| Random African Country to Capital | 0 | - | 4.94 | 70,363 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,288 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,142 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,529 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,142 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,621 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,940 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,508 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,978 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,128 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,742 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,221 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,087 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,832 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,763 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,667 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,879 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,277 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,370 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,901 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,926 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,888 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,517 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,378 |
| Name a City - European Countries | 0 | - | 4.92 | 64,678 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,154 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,693 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,200 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,857 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,730 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,565 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,701 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,131 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,260 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,645 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,185 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,609 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,780 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,487 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,077 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,165 |
| Largest City by Island | 0 | - | 4.87 | 71,249 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,518 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,796 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,707 |
| Megacities on a World Map | 0 | - | 4.98 | 251,726 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,507 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,944 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,151 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,221 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,460 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,182 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,963 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,448 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,753 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,525 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,426 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,790 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,693 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,945 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,400 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,795 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,191 |
| Europe Capital to Country | 0 | - | 4.99 | 248,440 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,836 |
| European Capitals by Map | 0 | - | 4.99 | 137,135 |
| African Capitals by Map | 0 | - | 4.99 | 132,509 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,447 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,825 |
| European Coastal Capitals | 0 | - | 4.95 | 89,966 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,656 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,370 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,498 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,347 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,384 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,678 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,152 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,336 |
| Most Populous Islands | 0 | - | 4.79 | 122,092 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,225 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,435 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,666 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,749 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,624 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,943 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,299 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,064 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,253 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,893 |
| Megacities on an Empty Map | 0 | - | 4.97 | 114,166 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,475 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,776 |
| Official Cities in the UK | 0 | - | 4.89 | 281,343 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,957 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,311 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,671 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,832 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,581 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,378 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,063 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,830 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,852 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,341 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,898 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,246 |
| Boundary Waters | 0 | - | 4.92 | 88,125 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,897 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,490 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,580 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,996 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,077 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,630 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,213 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,928 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,142 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,447 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,612 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,708 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,034 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,575 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,305 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,806 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,844 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,624 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 115,320 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,779 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,085 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,950 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,787 |
| Biggest City by Region | 0 | - | 4.50 | 36,038 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,960 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,066 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,259 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,004 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,292 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,815 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,047,820 |
| Landlocked Countries | 0 | - | 4.99 | 415,262 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 557,530 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,226 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,873 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,047 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,529 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,651 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,893 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,029 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,814 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,699 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,662 |
| Biggest Cities in China | 0 | - | 4.52 | 157,401 |
| Biggest Cities in India | 0 | - | 4.70 | 67,430 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,426 |
| World Capitals Quiz | 0 | - | 5.00 | 5,042,089 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,436 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,706 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,294 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,050 |
| Vietnam War Countries | 0 | - | 4.83 | 93,772 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,373 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,861 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,729,826 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,832 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,755 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,066 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,285 |
