| Countries of Europe by Population | 0 | - | 4.98 | 182,375 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,737 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,382 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,686 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,743 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,954 |
| Random European Capital to Country | 0 | - | 4.98 | 191,859 |
| Random European Country to Capital | 0 | - | 4.93 | 165,676 |
| Europe Capital to Country | 0 | - | 4.99 | 251,625 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,674 |
| European Capitals by Map | 0 | - | 4.99 | 141,492 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,661 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,999 |
| European Coastal Capitals | 0 | - | 4.95 | 91,110 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,347 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,755 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,774 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,887 |
| Official Cities in the UK | 0 | - | 4.89 | 285,519 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,423 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,870 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,473 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,590 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,533 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,346 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,175 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,725 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,462 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,295 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,456 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,663 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,846 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,557 |
| Countries with Megacities | 0 | - | 4.99 | 266,051 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,331 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,790 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,590 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,914 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,744 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,729 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,884 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,275 |
| Random African Capital to Country | 0 | - | 4.97 | 101,158 |
| Random African Country to Capital | 0 | - | 4.94 | 71,628 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,398 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,294 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,146 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,666 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,478 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,751 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,014 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,407 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,400 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,434 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,355 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,724 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,653 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,849 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,216 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,090 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,563 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,089 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,856 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,736 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,478 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,239 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,545 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,076 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,199 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,878 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,619 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,530 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,737 |
| Name a City - European Countries | 0 | - | 4.90 | 65,963 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,194 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,312 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,237 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,996 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,382 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,707 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,047 |
| Cities in European History #1 | 0 | - | 4.63 | 134,450 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,091 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,168 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,970 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,349 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,830 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,082 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,459 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,587 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,719 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,103 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,386 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,422 |
| Largest City by Island | 0 | - | 4.87 | 72,286 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,325 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,506 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,002 |
| Megacities on a World Map | 0 | - | 4.98 | 256,241 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,939 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,662 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,480 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,695 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,748 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,818 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,431 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,576 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,729 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,413 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,095 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,436 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,752 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,613 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,263 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,818 |
| Asia Capital to Country | 0 | - | 4.96 | 127,222 |
| African Capitals by Map | 0 | - | 4.99 | 141,541 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,639 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,084 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,852 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,062 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,642 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,072 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,459 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,702 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,823 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,409 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,831 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,910 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,340 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,021 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,397 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,106 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,968 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,564 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,007 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,266 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,790 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,193 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,324 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,234 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,598 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,664 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,925 |
| Most Populous Islands | 0 | - | 4.80 | 123,203 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,356 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,609 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,940 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,912 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,413 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,697 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,637 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,562 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,776 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,872 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,448 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,436 |
| Capitals of the Stans | 0 | - | 4.95 | 27,064 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,712 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,936 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,241 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,900 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,056 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,466 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,017 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,880 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,631 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,337 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,464 |
| Boroughs of London | 0 | - | 4.63 | 88,373 |
| London Geography | 0 | - | 4.47 | 59,814 |
| UK Immigration by Country | 0 | - | 4.94 | 141,470 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,163 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,591 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,798 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,270 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,623 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,568 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,631 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,664 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,463 |
| Boundary Waters | 0 | - | 4.92 | 88,693 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,347 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,510 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,100 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,812 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,014 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,285 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,962 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,614 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,108 |
| Biggest City by Region | 0 | - | 4.50 | 36,342 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,271 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,039 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,861 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,824 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,062 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,276 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,415 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,478 |
