| Countries of Europe by Population | 0 | - | 4.98 | 177,921 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,920 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,782 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,948 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,799 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,989 |
| Random European Capital to Country | 0 | - | 4.98 | 189,138 |
| Random European Country to Capital | 0 | - | 4.92 | 147,391 |
| Europe Capital to Country | 0 | - | 4.99 | 247,434 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,389 |
| European Capitals by Map | 0 | - | 4.99 | 136,129 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,135 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,572 |
| European Coastal Capitals | 0 | - | 4.95 | 89,707 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,675 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,547 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,899 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,858 |
| Official Cities in the UK | 0 | - | 4.89 | 280,387 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,372 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,070 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,678 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,738 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,461 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,388 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,736 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,152 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,822 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,776 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,644 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,430 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,455 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,992 |
| Countries with Megacities | 0 | - | 4.99 | 246,513 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,909 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,793 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,364 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,920 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,173 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,332 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,363 |
| Random African Capital to Country | 0 | - | 4.97 | 99,707 |
| Random African Country to Capital | 0 | - | 4.94 | 70,196 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,101 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,076 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,773 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,820 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,823 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,441 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,538 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,341 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,268 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,204 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,934 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,594 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,581 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,760 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,796 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,890 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,435 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,479 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,461 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,518 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,015 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,792 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,127 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,702 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,633 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,470 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,058 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,673 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,137 |
| Name a City - European Countries | 0 | - | 4.92 | 64,334 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,906 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,481 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,788 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,242 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,931 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,961 |
| Cities in European History #1 | 0 | - | 4.63 | 133,062 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,590 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,140 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,648 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,079 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,111 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,257 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,852 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,355 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,534 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,254 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,345 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,794 |
| Largest City by Island | 0 | - | 4.87 | 71,004 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,352 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,484 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,153 |
| Megacities on a World Map | 0 | - | 4.98 | 250,809 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,001 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,762 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,823 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,089 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,873 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,619 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,098 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,396 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,235 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,217 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,561 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,528 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,762 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,159 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,310 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,744 |
| Asia Capital to Country | 0 | - | 4.96 | 125,693 |
| African Capitals by Map | 0 | - | 4.99 | 132,106 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,063 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,166 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,620 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,405 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,314 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,275 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,066 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,037 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,336 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,111 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,956 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,231 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,539 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,454 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,267 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,549 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,061 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,745 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,613 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,134 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,411 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,227 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,005 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,307 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,984 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,024 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,044 |
| Most Populous Islands | 0 | - | 4.78 | 121,950 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,716 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,834 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,907 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,318 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,167 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,607 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,760 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,142 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,747 |
| Capitals of the Stans | 0 | - | 4.95 | 26,389 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,926 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,208 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,515 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,088 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,847 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,523 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,809 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,776 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,259 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,686 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,358 |
| Boroughs of London | 0 | - | 4.63 | 87,009 |
| London Geography | 0 | - | 4.47 | 59,448 |
| UK Immigration by Country | 0 | - | 4.94 | 139,545 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,612 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,728 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,639 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,179 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,205 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,084 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,478 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,076 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,196 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,237 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,229 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,812 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,423 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,778 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,877 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,890 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,676 |
| Biggest City by Region | 0 | - | 4.50 | 35,988 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,889 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,211 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,417 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,216 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,902 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,676 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,713 |
