| Countries of Europe by Population | 0 | - | 4.98 | 177,761 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,742 |
| Name a City - European Countries | 0 | - | 4.92 | 64,281 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,491 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,855 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,671 |
| Europe Capital to Country | 0 | - | 4.99 | 247,325 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,321 |
| European Capitals by Map | 0 | - | 4.99 | 135,989 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,083 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,536 |
| European Coastal Capitals | 0 | - | 4.95 | 89,667 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,570 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,168 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,836 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,707 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,911 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Official Cities in the UK | 0 | - | 4.89 | 280,227 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,345 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,652 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,713 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,059 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,896 |
| Countries with Megacities | 0 | - | 4.99 | 246,279 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,819 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,750 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,276 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,689 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,761 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,231 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,432 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,705 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,097 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,692 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,708 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,616 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,043 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,740 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,734 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,775 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,505 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,169 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,514 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,467 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,594 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,718 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,688 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,356 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,419 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,446 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,964 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,072 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,655 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,590 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,331 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,849 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,156 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,767 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,364 |
| The Only European Country ... | 0 | - | 4.91 | 213,545 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,349 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,351 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,300 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,323 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,532 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,511 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,972 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,098 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,634 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,070 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,273 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,087 |
| Cities in European History #1 | 0 | - | 4.63 | 132,985 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,177 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,547 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,126 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,754 |
| Which City in Europe? | 0 | - | 4.83 | 106,562 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,520 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,083 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,184 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,776 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,306 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,483 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,233 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,247 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,718 |
| Largest City by Island | 0 | - | 4.87 | 70,961 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,272 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,421 |
| Biggest European Cities by Century | 0 | - | 4.98 | 137,977 |
| Megacities on a World Map | 0 | - | 4.98 | 250,496 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,724 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,730 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,770 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,529 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,018 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,072 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,033 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,331 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,181 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,193 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,529 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,495 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,122 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,256 |
| Asia Capital to Country | 0 | - | 4.96 | 125,641 |
| African Capitals by Map | 0 | - | 4.99 | 132,071 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,985 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,448 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,719 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,079 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,171 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,199 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,019 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,981 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,602 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,209 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,414 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,082 |
| Counties of England | 0 | - | 4.97 | 788,460 |
| Random European City to Country | 0 | - | 4.69 | 116,234 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,572 |
| Boundary Waters | 0 | - | 4.92 | 87,996 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,192 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,154 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,774 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,662 |
| Most Populous Islands | 0 | - | 4.78 | 121,919 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,191 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,395 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,589 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,285 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,807 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,070 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,865 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,829 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,123 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,514 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,681 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,364 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,228 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,488 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,724 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,886 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,578 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,564 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,030 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,086 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,375 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,278 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,110 |
| Monarchies of Europe | 0 | - | 4.90 | 97,226 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,972 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,238 |
| European Countries with One Border | 0 | - | 4.97 | 181,485 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,996 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,017 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,571 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,964 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,944 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,689 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,851 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,682 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,799 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,311 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,262 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,005 |
| Capitals of the Stans | 0 | - | 4.95 | 26,371 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,311 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,588 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,153 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,576 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,113 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,132 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,713 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,863,080 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,376 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,879 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,848 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,882 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,651 |
| Biggest City by Region | 0 | - | 4.50 | 35,976 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,874 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,493 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,047 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,305 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,470 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,997 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,205 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,890 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,681 |
