| Countries of Europe by Population | 0 | - | 4.98 | 177,671 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,692 |
| Name a City - European Countries | 0 | - | 4.92 | 64,260 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,637 |
| Europe Capital to Country | 0 | - | 4.99 | 247,267 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,271 |
| European Capitals by Map | 0 | - | 4.99 | 135,906 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,063 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,630 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,512 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,985 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,952 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,455 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,835 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,978 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,795 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,672 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,890 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,760 |
| Official Cities in the UK | 0 | - | 4.89 | 280,106 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,696 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,989 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,851 |
| Countries with Megacities | 0 | - | 4.99 | 246,150 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,770 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,727 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,663 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,078 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,629 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,667 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,604 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,414 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,998 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,698 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,126 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,149 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,305 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,716 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,666 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,742 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,391 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,480 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,143 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,436 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,392 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,463 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,632 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,561 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,310 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,371 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,194 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,385 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,930 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,046 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,625 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,546 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,235 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,819 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,932 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,451 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,313 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,766 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,708 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,322 |
| The Only European Country ... | 0 | - | 4.91 | 213,459 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,305 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,050 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,227 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,981 |
| Cities in European History #1 | 0 | - | 4.63 | 132,946 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,175 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,543 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,114 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| Which City in Europe? | 0 | - | 4.83 | 106,541 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,869 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,028 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,626 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,068 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,081 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,148 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,745 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,278 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,464 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,218 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,189 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,671 |
| Largest City by Island | 0 | - | 4.87 | 70,935 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,197 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,386 |
| Biggest European Cities by Century | 0 | - | 4.98 | 130,364 |
| Megacities on a World Map | 0 | - | 4.98 | 250,157 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,531 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,709 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,734 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,458 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 119,968 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,041 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,976 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,288 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,136 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,175 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,498 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,476 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,710 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,088 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,236 |
| Asia Capital to Country | 0 | - | 4.96 | 125,616 |
| African Capitals by Map | 0 | - | 4.99 | 132,037 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,952 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,343 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,505 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,017 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,130 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,156 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,572 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,184 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,397 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,056 |
| Counties of England | 0 | - | 4.97 | 788,226 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,564 |
| Random European City to Country | 0 | - | 4.69 | 116,214 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,260 |
| Most Populous Islands | 0 | - | 4.78 | 121,902 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,188 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,388 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,585 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,248 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,797 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,045 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,849 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,688 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,070 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,502 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,571 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,318 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,208 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,457 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,308 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,142 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,560 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,056 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,703 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,745 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,463 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,526 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,001 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,070 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,124 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,694 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,362 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,095 |
| Monarchies of Europe | 0 | - | 4.90 | 97,198 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,197 |
| European Countries with One Border | 0 | - | 4.97 | 181,443 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,960 |
| Regions of France Map Quiz | 0 | - | 4.97 | 142,983 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,546 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,920 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,859 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,622 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,829 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,630 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,749 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,285 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,228 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,977 |
| Capitals of the Stans | 0 | - | 4.95 | 26,362 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,168 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,123 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,758 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,645 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,865 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,470 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,033 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,256 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,443 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,646 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,601 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,581 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,039 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,572 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,292 |
| UK Immigration by Country | 0 | - | 4.94 | 139,480 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,659 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,074 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,160 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,016 |
| Countries That Border Russia | 0 | - | 4.98 | 458,509 |
