| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,956 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,969 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,818 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,003 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,895 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,819 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,742 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,365 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,381 |
| Asia Capital to Country | 0 | - | 4.96 | 125,726 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,114 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,588 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,939 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,653 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,289 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,559 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,164 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,426 |
| Capitals of the Stans | 0 | - | 4.95 | 26,400 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,081 |
| Countries with Megacities | 0 | - | 4.99 | 246,700 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,016 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,875 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,436 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,797 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,554 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,755 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,550 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,158 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,260 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,018 |
| Random European Capital to Country | 0 | - | 4.98 | 189,175 |
| Random European Country to Capital | 0 | - | 4.92 | 147,430 |
| Random African Capital to Country | 0 | - | 4.97 | 99,723 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,100 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,804 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,870 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,855 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,461 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,570 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,236 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,622 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,624 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,840 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,823 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,970 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,467 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,498 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,537 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,556 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,040 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,148 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,726 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,661 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,502 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,361 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,720 |
| Name a City - European Countries | 0 | - | 4.92 | 64,369 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,052 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,372 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,342 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,794 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,614 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,191 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,130 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,297 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,891 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,377 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,560 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,281 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,406 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,825 |
| Largest City by Island | 0 | - | 4.87 | 71,019 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,375 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,522 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,922 |
| Megacities on a World Map | 0 | - | 4.98 | 250,891 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,137 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,784 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,851 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,688 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,042 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,745 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,127 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,438 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,265 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,245 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,591 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,550 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,789 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,199 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,330 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,783 |
| Europe Capital to Country | 0 | - | 4.99 | 247,621 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,426 |
| European Capitals by Map | 0 | - | 4.99 | 136,217 |
| African Capitals by Map | 0 | - | 4.99 | 132,125 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,160 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,589 |
| European Coastal Capitals | 0 | - | 4.95 | 89,727 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,724 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,739 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,411 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,090 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,069 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,996 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,274 |
| Most Populous Islands | 0 | - | 4.79 | 121,969 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,199 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,720 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,369 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,840 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,130 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,920 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,996 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,977 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,483 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,284 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,578 |
| Official Cities in the UK | 0 | - | 4.89 | 280,460 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,786 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,164 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,798 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,650 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,398 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,090 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,030 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,694 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,807 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,232 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,757 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,729 |
| Boundary Waters | 0 | - | 4.92 | 88,030 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,806 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,262 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,260 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,826 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,943 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,527 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,111 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,433 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,770 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,182 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,899 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,326 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,719 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,384 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,810 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,657 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,641 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,839 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,225 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,437 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,899 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,897 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,690 |
| Biggest City by Region | 0 | - | 4.50 | 35,993 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,893 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,013 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,217 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,914 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,250 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,904,974 |
| Landlocked Countries | 0 | - | 4.99 | 413,436 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,119 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,785 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,084 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,239 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,435 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,703 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,751 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,467 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,517 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,512 |
| Biggest Cities in China | 0 | - | 4.53 | 156,986 |
| Biggest Cities in India | 0 | - | 4.70 | 67,322 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,337 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,299 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,368 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,427 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,188 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,760 |
| Vietnam War Countries | 0 | - | 4.83 | 93,590 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,260 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,674 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,061 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,657 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,442 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,828 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,152 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,985 |
| Population Trivia | 0 | - | 4.32 | 27,421 |
