| Countries of Europe by Population | 0 | - | 4.98 | 183,180 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,150 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,863 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,912 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,882 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,095 |
| Random European Capital to Country | 0 | - | 4.98 | 192,169 |
| Random European Country to Capital | 0 | - | 4.93 | 165,945 |
| Europe Capital to Country | 0 | - | 4.99 | 252,155 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,019 |
| European Capitals by Map | 0 | - | 4.99 | 142,161 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,901 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,210 |
| European Coastal Capitals | 0 | - | 4.95 | 91,335 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,838 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,017 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,031 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,832 |
| Official Cities in the UK | 0 | - | 4.89 | 286,340 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,600 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,148 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,596 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,729 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,625 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,825 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,518 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,954 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,305 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,650 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,576 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,431 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,565 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,220 |
| Countries with Megacities | 0 | - | 4.99 | 267,238 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,905 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,169 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,219 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,281 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,802 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,826 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,998 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,455 |
| Random African Capital to Country | 0 | - | 4.97 | 101,369 |
| Random African Country to Capital | 0 | - | 4.95 | 71,763 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,252 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,473 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,345 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,151 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,691 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,918 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,239 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,670 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,192 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,638 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,243 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,957 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,993 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,818 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,476 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,495 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,083 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,812 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,269 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,721 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,986 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,638 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,460 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,744 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,230 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,416 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,464 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,353 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,108 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,288 |
| Name a City - European Countries | 0 | - | 4.89 | 66,202 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,044 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,019 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,425 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,449 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,460 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,099 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 42,286 |
| Cities in European History #1 | 0 | - | 4.63 | 134,629 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,418 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,432 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,032 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,389 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,923 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,375 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,701 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,773 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,906 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,203 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,627 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,695 |
| Largest City by Island | 0 | - | 4.87 | 72,468 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,435 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,715 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,160 |
| Megacities on a World Map | 0 | - | 4.98 | 257,019 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,110 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,779 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,707 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,778 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,334 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,495 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,706 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,846 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,912 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,546 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,209 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,521 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,867 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,782 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,510 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,105 |
| Asia Capital to Country | 0 | - | 4.96 | 127,476 |
| African Capitals by Map | 0 | - | 4.99 | 142,261 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,938 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,196 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,806 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,180 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,789 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,495 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,685 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,951 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,000 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,578 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,008 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,190 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,441 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,240 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,526 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,259 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,057 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,281 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,258 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,409 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,973 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,364 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,832 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,544 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,880 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,074 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,498 |
| Most Populous Islands | 0 | - | 4.80 | 123,352 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,385 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,654 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,986 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,949 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,501 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,821 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,689 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,619 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,974 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,114 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,493 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,556 |
| Capitals of the Stans | 0 | - | 4.95 | 27,154 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,802 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,478 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,322 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,988 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,086 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,753 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,038 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,888 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,039 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,038 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,691 |
| Boroughs of London | 0 | - | 4.63 | 88,584 |
| London Geography | 0 | - | 4.47 | 59,874 |
| UK Immigration by Country | 0 | - | 4.94 | 141,742 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,432 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,947 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,551 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,743 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,919 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,816 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,760 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,041 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,806 |
| Boundary Waters | 0 | - | 4.92 | 88,777 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,718 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,367 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,986 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,144 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,340 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,126 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,657 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,162 |
| Biggest City by Region | 0 | - | 4.50 | 36,394 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,344 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,099 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,062 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,348 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,309 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,444 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,566 |
