| Countries of Europe by Population | 0 | - | 4.98 | 183,530 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,404 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,233 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,060 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,959 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,156 |
| Random European Capital to Country | 0 | - | 4.98 | 192,310 |
| Random European Country to Capital | 0 | - | 4.93 | 166,034 |
| Europe Capital to Country | 0 | - | 4.99 | 252,491 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,219 |
| European Capitals by Map | 0 | - | 4.99 | 142,439 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,086 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,343 |
| European Coastal Capitals | 0 | - | 4.95 | 91,459 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,127 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,120 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,159 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,230 |
| Official Cities in the UK | 0 | - | 4.89 | 286,743 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,701 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,275 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,651 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,800 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,377 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,017 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,678 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,088 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,714 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,901 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,667 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,688 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,876 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,440 |
| Countries with Megacities | 0 | - | 4.99 | 267,713 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,088 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,296 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,427 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,406 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,730 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,922 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,075 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,539 |
| Random African Capital to Country | 0 | - | 4.97 | 101,443 |
| Random African Country to Capital | 0 | - | 4.94 | 71,853 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,374 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,547 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,438 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,478 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,790 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,978 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,338 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,779 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,525 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,700 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,652 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,063 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,141 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,930 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,746 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,617 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,460 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,913 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,357 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,058 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,063 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,703 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,560 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,822 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,285 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,531 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,664 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,757 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,408 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,567 |
| Name a City - European Countries | 0 | - | 4.89 | 66,344 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,862 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,742 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,535 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,636 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,502 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,293 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,404 |
| Cities in European History #1 | 0 | - | 4.63 | 134,718 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,452 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,567 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,050 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,412 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,957 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,525 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,814 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,861 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,017 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,246 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,752 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,813 |
| Largest City by Island | 0 | - | 4.87 | 72,548 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,475 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,816 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,227 |
| Megacities on a World Map | 0 | - | 4.98 | 257,356 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,678 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,825 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,817 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,830 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,549 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,718 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,807 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,978 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,990 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,599 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,269 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,564 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,913 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,849 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,643 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,288 |
| Asia Capital to Country | 0 | - | 4.96 | 127,663 |
| African Capitals by Map | 0 | - | 4.99 | 142,513 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,096 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,256 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,183 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,230 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,860 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,684 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,782 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,088 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,082 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,677 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,096 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,317 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,474 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,332 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,580 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,334 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,499 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,600 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,341 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,468 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,044 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,541 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,684 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,031 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,229 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,728 |
| Most Populous Islands | 0 | - | 4.80 | 123,420 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,397 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,671 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,014 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,962 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,538 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,872 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,705 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,653 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,068 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,225 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,527 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,614 |
| Capitals of the Stans | 0 | - | 4.95 | 27,220 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,852 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,526 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,358 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,021 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,102 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,887 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,051 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,898 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,219 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,348 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,765 |
| Boroughs of London | 0 | - | 4.63 | 88,664 |
| London Geography | 0 | - | 4.47 | 59,907 |
| UK Immigration by Country | 0 | - | 4.94 | 141,856 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,515 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,062 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,894 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,918 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,022 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,911 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,803 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,207 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,987 |
| Boundary Waters | 0 | - | 4.92 | 88,823 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,452 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,806 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,509 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,044 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,209 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,357 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,184 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,176 |
| Biggest City by Region | 0 | - | 4.50 | 36,412 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,364 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,193 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,157 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,496 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,326 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,457 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,601 |
