| Countries of Europe by Population | 0 | - | 4.98 | 182,083 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,790 |
| Name a City - European Countries | 0 | - | 4.90 | 65,859 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,630 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,658 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,667 |
| Europe Capital to Country | 0 | - | 4.99 | 251,372 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,517 |
| European Capitals by Map | 0 | - | 4.99 | 141,086 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,544 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,905 |
| European Coastal Capitals | 0 | - | 4.95 | 91,010 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,033 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,834 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,583 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,218 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,586 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,694 |
| Official Cities in the UK | 0 | - | 4.89 | 285,152 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,337 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,405 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,518 |
| Europe Map Quiz | 0 | - | 5.00 | 4,777,046 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,332 |
| Countries with Megacities | 0 | - | 4.99 | 265,562 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,127 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,693 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,391 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,767 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,738 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,495 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,513 |
| Biggest Cities in the World | 0 | - | 4.92 | 802,775 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,902 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,608 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,034 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,088 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,399 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,213 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,070 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,512 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,359 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,689 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,905 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,355 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,556 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,457 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,502 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,051 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,237 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,429 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,979 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,609 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,379 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,456 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 64,980 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,102 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,601 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,818 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,682 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,063 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,481 |
| The Only European Country ... | 0 | - | 4.91 | 218,012 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,989 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,562 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,490 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,257 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,242 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,333 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,350 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,495 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,948 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,330 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,154 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,966 |
| Cities in European History #1 | 0 | - | 4.63 | 134,371 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,409 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,833 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,271 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,150 |
| Which City in Europe? | 0 | - | 4.83 | 107,708 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,856 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,067 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,781 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,948 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,349 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,482 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,626 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,052 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,281 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,270 |
| Largest City by Island | 0 | - | 4.87 | 72,203 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,275 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,395 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,926 |
| Megacities on a World Map | 0 | - | 4.98 | 255,919 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,427 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,612 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,372 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,584 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,228 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 123,364 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,104 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,975 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,460 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,643 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,368 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,036 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,395 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,707 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,540 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,150 |
| Asia Capital to Country | 0 | - | 4.96 | 127,092 |
| African Capitals by Map | 0 | - | 4.99 | 140,717 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,435 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,024 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,464 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,010 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,569 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,950 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,803 |
| Slavic Countries | 0 | - | 4.96 | 112,083 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,935 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,371 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,567 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,182 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,749 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,532 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,556 |
| Counties of England | 0 | - | 4.97 | 800,450 |
| Random European City to Country | 0 | - | 4.69 | 118,201 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,015 |
| Boundary Waters | 0 | - | 4.92 | 88,648 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,320 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,430 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,982 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,752 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,733 |
| Most Populous Islands | 0 | - | 4.80 | 123,145 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,344 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,597 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,917 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,702 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,377 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,279 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,628 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,729 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,620 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,291 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,499 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,905 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,317 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,024 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,811 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,479 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,144 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,901 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,713 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,189 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,716 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,569 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,265 |
| Monarchies of Europe | 0 | - | 4.90 | 98,518 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,225 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,103 |
| European Countries with One Border | 0 | - | 4.97 | 183,368 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,141 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,066 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,417 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,485 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,667 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,026 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,298 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,169 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,966 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,278 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,353 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,508 |
| Capitals of the Stans | 0 | - | 4.95 | 27,026 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,609 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,878 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,532 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,697 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,992 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,431 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,381 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,694,504 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,954 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,679 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,884 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,596 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,084 |
| Biggest City by Region | 0 | - | 4.50 | 36,318 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,236 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,193 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,852 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,148 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,333 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,262 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,401 |
