| Countries of Europe by Population | 0 | - | 4.98 | 182,525 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,105 |
| Name a City - European Countries | 0 | - | 4.90 | 66,012 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,810 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,843 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,881 |
| Europe Capital to Country | 0 | - | 4.99 | 251,752 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,750 |
| European Capitals by Map | 0 | - | 4.99 | 141,680 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,710 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,042 |
| European Coastal Capitals | 0 | - | 4.95 | 91,168 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,460 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,362 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,812 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,474 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,735 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,771 |
| Official Cities in the UK | 0 | - | 4.89 | 285,736 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,455 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,494 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,624 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,283 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,809 |
| Countries with Megacities | 0 | - | 4.99 | 266,410 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,517 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,917 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,810 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,037 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,859 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,264 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,015 |
| Biggest Cities in the World | 0 | - | 4.92 | 804,245 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,919 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,780 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,693 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,381 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,478 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,332 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,206 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,776 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,520 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,804 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,089 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,491 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,791 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,742 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,013 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,279 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,383 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,623 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,138 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,804 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,524 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,587 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,113 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,256 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,067 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,920 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,754 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,426 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,825 |
| The Only European Country ... | 0 | - | 4.91 | 218,524 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,241 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,687 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,061 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,257 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,651 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,587 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,710 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,870 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,989 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,360 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,462 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,587 |
| Cities in European History #1 | 0 | - | 4.63 | 134,500 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,432 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,386 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,285 |
| Which City in Europe? | 0 | - | 4.83 | 107,796 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,720 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,245 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,850 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,163 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,520 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,644 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,771 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,129 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,434 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,475 |
| Largest City by Island | 0 | - | 4.87 | 72,337 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,352 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,550 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,037 |
| Megacities on a World Map | 0 | - | 4.98 | 256,448 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,226 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,694 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,535 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,916 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,381 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 123,684 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,194 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,500 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,639 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,779 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,444 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,117 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,457 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,794 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,654 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,313 |
| Asia Capital to Country | 0 | - | 4.96 | 127,266 |
| African Capitals by Map | 0 | - | 4.99 | 141,760 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,753 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,105 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,043 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,090 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,165 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,366 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,997 |
| Slavic Countries | 0 | - | 4.96 | 112,230 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,154 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,511 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,756 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,343 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,887 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,649 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,674 |
| Counties of England | 0 | - | 4.97 | 801,694 |
| Random European City to Country | 0 | - | 4.69 | 118,325 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,109 |
| Boundary Waters | 0 | - | 4.92 | 88,711 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,367 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,565 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,163 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,845 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,848 |
| Most Populous Islands | 0 | - | 4.80 | 123,235 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,363 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,617 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,949 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,879 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,431 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,460 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,730 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,865 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,968 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,370 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,081 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,059 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,430 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,152 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,912 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,248 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,707 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,095 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,939 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,292 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,830 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,682 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,366 |
| Monarchies of Europe | 0 | - | 4.90 | 98,710 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,373 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,295 |
| European Countries with One Border | 0 | - | 4.97 | 183,559 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,326 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,428 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,631 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,746 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,066 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,307 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,416 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,330 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,154 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,905 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,570 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,688 |
| Capitals of the Stans | 0 | - | 4.95 | 27,084 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,649 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,900 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,574 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,814 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,054 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,462 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,456 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,780,892 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,037 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,737 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,999 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,623 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,122 |
| Biggest City by Region | 0 | - | 4.50 | 36,359 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,291 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,436 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,262 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,925 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,453 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,538 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,284 |
