| Countries of Europe by Population | 0 | - | 4.98 | 180,275 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,338 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,706 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,522 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,575 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,085 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,673 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,366 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,950 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,185 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,071 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,610 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,813 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,096 |
| Countries with Megacities | 0 | - | 4.99 | 261,055 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,950 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,029 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,230 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,047 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,025 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,786 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,936 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,457 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,904 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,884 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,754 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,579 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,476 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,709 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,297 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,393 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,380 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,975 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,952 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,561 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,032 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,317 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,985 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,034 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,464 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,257 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,615 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,547 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,724 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,819 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 62,608 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,416 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,921 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,391 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,109 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,637 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,811 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,699 |
| Name a City - European Countries | 0 | - | 4.90 | 65,226 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,257 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,376 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,511 |
| Australia Map Quiz | 0 | - | 4.95 | 343,922 |
| Australia A-Z | 0 | - | 4.54 | 49,945 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,838 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,428 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,807 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,224 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,514 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,264 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,746 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,999 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,191 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,839 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,094 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,075 |
| Largest City by Island | 0 | - | 4.87 | 71,715 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,813 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,718 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,287 |
| Megacities on a World Map | 0 | - | 4.98 | 253,582 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,206 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,236 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,747 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,295 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,024 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,684 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,117 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,792 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,134 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,103 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,564 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,180 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,456 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,105 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,463 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,878 |
| Europe Capital to Country | 0 | - | 4.99 | 249,666 |
| Asia Capital to Country | 0 | - | 4.96 | 126,509 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,647 |
| European Capitals by Map | 0 | - | 4.99 | 138,674 |
| African Capitals by Map | 0 | - | 4.99 | 133,417 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,121 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,929 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,270 |
| European Coastal Capitals | 0 | - | 4.95 | 90,421 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,518 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,639 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,758 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,866 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,944 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,814 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,947 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,020 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,147 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,682 |
| Australian States and Territories | 0 | - | 4.96 | 141,752 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,241 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,075 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,744 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,934 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,698 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,913 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,911 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,157 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,830 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,612 |
| Official Cities in the UK | 0 | - | 4.89 | 283,186 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,648 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,923 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,589 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,239 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,316 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,926 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,045 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,732 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,096 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,089 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,149 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,199 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,160 |
| Orthodox Countries | 0 | - | 4.92 | 131,378 |
| Battle to Country | 0 | - | 4.91 | 53,188 |
| Monarchies of Europe | 0 | - | 4.90 | 97,991 |
| Monarchies of Asia | 0 | - | 4.97 | 71,005 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,792 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,526 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,250 |
| Flags of Oceania | 0 | - | 5.00 | 258,361 |
| Most Populous Islands | 0 | - | 4.80 | 122,821 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,281 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,510 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,774 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,825 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,147 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,327 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,667 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,399 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,386 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,309 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,242 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,846 |
| Capitals of the Stans | 0 | - | 4.95 | 26,768 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,749 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,777 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,780 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,147 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,609 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,343 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,811 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,428 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,978 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,561 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,992 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,034 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,109 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,672 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,978 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,248 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,138 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,561 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,595 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,641 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,936 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,884 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,784 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,135 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,325 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,105 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,434 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 132,892 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,005 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,974 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,833 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,884 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,524 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,975 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,805 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,424 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,499 |
| Palau Country Quiz | 0 | - | 4.90 | 22,977 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,099 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,937 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,219 |
