| Countries of Europe by Population | 0 | - | 4.98 | 180,375 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,604 |
| Name a City - European Countries | 0 | - | 4.90 | 65,269 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,922 |
| Europe Capital to Country | 0 | - | 4.99 | 249,755 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,703 |
| European Capitals by Map | 0 | - | 4.99 | 138,807 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,957 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,301 |
| European Coastal Capitals | 0 | - | 4.95 | 90,458 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,710 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,843 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,985 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,769 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,995 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,422 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,645 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,133 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,707 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,374 |
| Official Cities in the UK | 0 | - | 4.89 | 283,290 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,943 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,113 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,217 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,160 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,164 |
| Countries with Megacities | 0 | - | 4.99 | 261,834 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,032 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,071 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,317 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,109 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,025 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,239 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,190 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,090 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,044 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,911 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,828 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,415 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,471 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,101 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,797 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,601 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,533 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,744 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,315 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,435 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,983 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,667 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,182 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,517 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,080 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,234 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,568 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,335 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,789 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,642 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,777 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,870 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,689 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,480 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,039 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,413 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,619 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,752 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,535 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,680 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,717 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,977 |
| The Only European Country ... | 0 | - | 4.91 | 216,233 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,903 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,174 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,425 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,089 |
| Cities in European History #1 | 0 | - | 4.63 | 133,874 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,327 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,725 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,726 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,548 |
| Which City in Europe? | 0 | - | 4.83 | 107,262 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,555 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,463 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,815 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,232 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,533 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,302 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,775 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,047 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,215 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,847 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,136 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,153 |
| Largest City by Island | 0 | - | 4.87 | 71,752 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,842 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,777 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,322 |
| Megacities on a World Map | 0 | - | 4.98 | 253,728 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,414 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,267 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,790 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,367 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,518 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,119 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,722 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,170 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,825 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,158 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,123 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,613 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,193 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,473 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,139 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,502 |
| Asia Capital to Country | 0 | - | 4.96 | 126,540 |
| African Capitals by Map | 0 | - | 4.99 | 133,512 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,175 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,529 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,464 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,777 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,037 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,360 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,111 |
| Slavic Countries | 0 | - | 4.96 | 111,547 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,920 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,520 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,063 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,047 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,914 |
| Counties of England | 0 | - | 4.97 | 795,482 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,847 |
| Random European City to Country | 0 | - | 4.69 | 117,527 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,161 |
| Most Populous Islands | 0 | - | 4.80 | 122,842 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,288 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,514 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,778 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,121 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,162 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,801 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,340 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,990 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,745 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,931 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,074 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,215 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,865 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,629 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,480 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,408 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,256 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,767 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,411 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,728 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,356 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,345 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,085 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,753 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,322 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,109 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,206 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,790 |
| Monarchies of Europe | 0 | - | 4.90 | 98,017 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,737 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,353 |
| European Countries with One Border | 0 | - | 4.97 | 182,602 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,422 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,251 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,657 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,142 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,186 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,067 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,911 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,603 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,008 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 79,578 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,424 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,812 |
| Capitals of the Stans | 0 | - | 4.95 | 26,789 |
| Boundary Waters | 0 | - | 4.92 | 88,404 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,111 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,976 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,264 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,385 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,309 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,358 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,837 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,459 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,048 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,595 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,096 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,159 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,702 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,704 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,611 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,641 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,957 |
| UK Immigration by Country | 0 | - | 4.94 | 140,762 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,829 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,168 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,009 |
