| Countries of Europe by Population | 0 | - | 4.98 | 177,982 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,880 |
| Name a City - European Countries | 0 | - | 4.92 | 64,359 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,579 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,924 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,777 |
| Europe Capital to Country | 0 | - | 4.99 | 247,567 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,416 |
| European Capitals by Map | 0 | - | 4.99 | 136,204 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,157 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,584 |
| European Coastal Capitals | 0 | - | 4.95 | 89,720 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,727 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,607 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,951 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,813 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,963 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,815 |
| Official Cities in the UK | 0 | - | 4.89 | 280,452 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,394 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,689 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,750 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,363 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,063 |
| Countries with Megacities | 0 | - | 4.99 | 246,649 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,989 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,848 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,418 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,783 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,686 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,531 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,121 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,720 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,173 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,883 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,804 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,656 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,093 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,796 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,863 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,843 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,456 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,561 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,224 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,617 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,618 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,819 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,820 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,952 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,462 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,497 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,551 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,037 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,144 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,723 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,653 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,497 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,899 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,187 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,924 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,497 |
| The Only European Country ... | 0 | - | 4.91 | 213,753 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,482 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,411 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,519 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,281 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,713 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,024 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,674 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,263 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,651 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,368 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,323 |
| Cities in European History #1 | 0 | - | 4.63 | 133,089 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,190 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,559 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,173 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,805 |
| Which City in Europe? | 0 | - | 4.83 | 106,603 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,095 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,177 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,125 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,283 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,884 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,368 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,557 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,275 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,397 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,819 |
| Largest City by Island | 0 | - | 4.87 | 71,016 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,370 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,513 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,730 |
| Megacities on a World Map | 0 | - | 4.98 | 250,874 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,103 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,777 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,844 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,675 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,705 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,154 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,123 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,119 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,426 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,241 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,586 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,545 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,782 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,191 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,327 |
| Asia Capital to Country | 0 | - | 4.96 | 125,723 |
| African Capitals by Map | 0 | - | 4.99 | 132,120 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,108 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,174 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,712 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,411 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,517 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,263 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,225 |
| Slavic Countries | 0 | - | 4.96 | 110,831 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,325 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,087 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,058 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,684 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,264 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,452 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,169 |
| Counties of England | 0 | - | 4.97 | 788,992 |
| Random European City to Country | 0 | - | 4.69 | 116,300 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Boundary Waters | 0 | - | 4.92 | 88,028 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,804 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,249 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,249 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,822 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,716 |
| Most Populous Islands | 0 | - | 4.79 | 121,965 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,197 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,362 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,840 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,125 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,915 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,982 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,277 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,558 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,948 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,479 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,281 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,570 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,782 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,140 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,788 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,640 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,087 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,161 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,422 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,321 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,172 |
| Monarchies of Europe | 0 | - | 4.90 | 97,293 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,026 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,341 |
| European Countries with One Border | 0 | - | 4.97 | 181,587 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,497 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,094 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,667 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,062 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,081 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,819 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,888 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,776 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,903 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,388 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,359 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,081 |
| Capitals of the Stans | 0 | - | 4.95 | 26,398 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,320 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,614 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,177 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,622 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,257 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,149 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,757 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,902,035 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,432 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,941 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,895 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,895 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,685 |
| Biggest City by Region | 0 | - | 4.50 | 35,991 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,893 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,525 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,108 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,421 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,547 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,010 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,216 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,914 |
