| Countries of Europe by Population | 0 | - | 4.98 | 182,944 |
| Largest City by Island | 0 | - | 4.87 | 72,443 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,636 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,965 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,991 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,309 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,390 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,021 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,690 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,848 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,835 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,119 |
| Countries with Megacities | 0 | - | 4.99 | 267,043 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,816 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,117 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,134 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,225 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,968 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,449 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,942 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,433 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,258 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,311 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,425 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,316 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,009 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,638 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,889 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,209 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,604 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,921 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,934 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,729 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,368 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,441 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,921 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,774 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,235 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,567 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,950 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,611 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,709 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,203 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,381 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,317 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,023 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,872 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,995 |
| Name a City - European Countries | 0 | - | 4.90 | 66,158 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,635 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,729 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,453 |
| Australia Map Quiz | 0 | - | 4.95 | 346,133 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,624 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,073 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,389 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,024 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,384 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,901 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,337 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,658 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,745 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,883 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,191 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,571 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,643 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,419 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,679 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,133 |
| Megacities on a World Map | 0 | - | 4.98 | 256,873 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,893 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,759 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,656 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,367 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 123,939 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,265 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,642 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,793 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,878 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,514 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,191 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,511 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,853 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,758 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,447 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,045 |
| Europe Capital to Country | 0 | - | 4.99 | 252,040 |
| Asia Capital to Country | 0 | - | 4.96 | 127,379 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,949 |
| European Capitals by Map | 0 | - | 4.99 | 142,043 |
| African Capitals by Map | 0 | - | 4.99 | 142,112 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,892 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,853 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,167 |
| European Coastal Capitals | 0 | - | 4.95 | 91,296 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,186 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,750 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,157 |
| African Island Countries | 0 | - | 4.96 | 102,426 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,648 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,917 |
| Islands by Country #1 | 0 | - | 4.90 | 176,324 |
| Australian States and Territories | 0 | - | 4.96 | 142,852 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,501 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,400 |
| Most Populous Islands | 0 | - | 4.80 | 123,322 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,381 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,647 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,976 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,973 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,488 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,557 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,798 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,979 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,131 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,416 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,653 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,189 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,503 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,235 |
| Official Cities in the UK | 0 | - | 4.89 | 286,186 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,054 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,938 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,156 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,220 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,573 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,092 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,387 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,574 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,937 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,700 |
| Richest Island Countries | 0 | - | 4.85 | 101,206 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,501 |
| Flags of Oceania | 0 | - | 5.00 | 262,621 |
| Capitals of the Stans | 0 | - | 4.95 | 27,136 |
| Boundary Waters | 0 | - | 4.92 | 88,758 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,409 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,692 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,334 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,952 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,955 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,784 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,310 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,969 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,733 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,709 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,451 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,856 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,913 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,143 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,951 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,867 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,658 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,597 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,553 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,896 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,593 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,806 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,118 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,095 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,645 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,154 |
| Biggest City by Region | 0 | - | 4.50 | 36,389 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,335 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,305 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,440 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,547 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,569 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,869,152 |
| Landlocked Countries | 0 | - | 4.99 | 425,675 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,015 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,549 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,950 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,618 |
| Palau Country Quiz | 0 | - | 4.89 | 23,142 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,758 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,331 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,086 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,056 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,024 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,299 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,582 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,434 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,169 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,902 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,555 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,249 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,407 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,813 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,053 |
| Random European Capital to Country | 0 | - | 4.98 | 192,120 |
| Random European Country to Capital | 0 | - | 4.93 | 165,873 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,979 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,411 |
| Random African Capital to Country | 0 | - | 4.97 | 101,335 |
| Random African Country to Capital | 0 | - | 4.95 | 71,742 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,605 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,433 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,919 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,384 |
