| Countries of Europe by Population | 0 | - | 4.98 | 180,518 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,699 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,706 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,182 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,745 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,388 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,616 |
| Random European Capital to Country | 0 | - | 4.98 | 190,772 |
| Random European Country to Capital | 0 | - | 4.93 | 164,955 |
| Europe Capital to Country | 0 | - | 4.99 | 249,852 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,748 |
| European Capitals by Map | 0 | - | 4.99 | 138,901 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,989 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,331 |
| European Coastal Capitals | 0 | - | 4.95 | 90,499 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,785 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,819 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,041 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,211 |
| Official Cities in the UK | 0 | - | 4.89 | 283,394 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,965 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,143 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,138 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,236 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,661 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,134 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,158 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,073 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,352 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,240 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,114 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,469 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,021 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,250 |
| Countries with Megacities | 0 | - | 4.99 | 262,380 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,084 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,113 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,388 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,164 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,756 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,484 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,365 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,684 |
| Random African Capital to Country | 0 | - | 4.97 | 100,648 |
| Random African Country to Capital | 0 | - | 4.94 | 71,165 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,826 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,635 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,596 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,790 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,337 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,459 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,480 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,228 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,011 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,975 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,761 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,310 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,684 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,159 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,426 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,660 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,387 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,998 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,721 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 57,099 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,615 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,934 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,048 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,529 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,109 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,142 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,864 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,233 |
| Name a City - European Countries | 0 | - | 4.90 | 65,301 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,826 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,018 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,600 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,827 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,175 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,533 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,455 |
| Cities in European History #1 | 0 | - | 4.62 | 133,909 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,862 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,502 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,828 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,240 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,548 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,336 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,809 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,077 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,238 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,861 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,362 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,241 |
| Largest City by Island | 0 | - | 4.87 | 71,782 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,879 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,822 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,365 |
| Megacities on a World Map | 0 | - | 4.98 | 254,093 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,625 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,292 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,839 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,444 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,612 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,454 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,222 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,867 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,184 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,141 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,644 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,216 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,495 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,166 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,558 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,982 |
| Asia Capital to Country | 0 | - | 4.96 | 126,569 |
| African Capitals by Map | 0 | - | 4.99 | 133,613 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,222 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,546 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,601 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,789 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,184 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,998 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,873 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,022 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,151 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,845 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,045 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,810 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,964 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,265 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,895 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,662 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,982 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,443 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,388 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,247 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,375 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,279 |
| Most Populous Islands | 0 | - | 4.80 | 122,867 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,290 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,520 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,788 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,835 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,182 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,360 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,492 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,414 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,278 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,434 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,328 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,122 |
| Capitals of the Stans | 0 | - | 4.95 | 26,807 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,376 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,604 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,863 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,484 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,971 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,655 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,934 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,836 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,673 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,690 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,020 |
| Boroughs of London | 0 | - | 4.63 | 87,804 |
| London Geography | 0 | - | 4.47 | 59,650 |
| UK Immigration by Country | 0 | - | 4.94 | 140,796 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,495 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,875 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,642 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,236 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,646 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,453 |
| Boundary Waters | 0 | - | 4.92 | 88,427 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,124 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,003 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,330 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,409 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,605 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,102 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,489 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,068 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,950 |
| Biggest City by Region | 0 | - | 4.50 | 36,171 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,102 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,161 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,172 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,269 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,172 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,340 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,217 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,325 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,695 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,934 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,051 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,669 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,134 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,393 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,363 |
