| Countries of Europe by Population | 0 | - | 4.98 | 180,739 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,912 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,938 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,863 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,827 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,312 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,816 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,421 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,164 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,160 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,145 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,476 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,281 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,431 |
| Countries with Megacities | 0 | - | 4.99 | 263,243 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,265 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,226 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,564 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,264 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,648 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,010 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,221 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,515 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,114 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,129 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,887 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,710 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,769 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,880 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,386 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,529 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,599 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,547 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,072 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,916 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,510 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,991 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,308 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,786 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,791 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,498 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,563 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,867 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,502 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,029 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,449 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,616 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,281 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,511 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,231 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,118 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,014 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,798 |
| Name a City - European Countries | 0 | - | 4.90 | 65,362 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,556 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,754 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,686 |
| Australia Map Quiz | 0 | - | 4.95 | 344,591 |
| Australia A-Z | 0 | - | 4.54 | 49,975 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,883 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,603 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,854 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,250 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,598 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,429 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,870 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,136 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,302 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,510 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,375 |
| Largest City by Island | 0 | - | 4.87 | 71,853 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,966 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,934 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,487 |
| Megacities on a World Map | 0 | - | 4.98 | 254,476 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,069 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,333 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,910 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,620 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,446 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,801 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,336 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,976 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,263 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,188 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,733 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,245 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,533 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,233 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,659 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,082 |
| Europe Capital to Country | 0 | - | 4.99 | 250,060 |
| Asia Capital to Country | 0 | - | 4.96 | 126,648 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,853 |
| European Capitals by Map | 0 | - | 4.99 | 139,116 |
| African Capitals by Map | 0 | - | 4.99 | 133,764 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,377 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,056 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,406 |
| European Coastal Capitals | 0 | - | 4.95 | 90,580 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,580 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,977 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,822 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,164 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,188 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,946 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,108 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,155 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,256 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,863 |
| Australian States and Territories | 0 | - | 4.96 | 141,950 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,279 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,256 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,929 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,206 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,945 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,054 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,555 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,390 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,953 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,735 |
| Official Cities in the UK | 0 | - | 4.89 | 283,678 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,764 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,011 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,343 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,742 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,463 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,026 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,252 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,825 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,166 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,154 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,351 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,277 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,396 |
| Orthodox Countries | 0 | - | 4.92 | 131,916 |
| Battle to Country | 0 | - | 4.91 | 53,328 |
| Monarchies of Europe | 0 | - | 4.90 | 98,139 |
| Monarchies of Asia | 0 | - | 4.97 | 71,083 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,883 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,712 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,394 |
| Flags of Oceania | 0 | - | 5.00 | 259,067 |
| Most Populous Islands | 0 | - | 4.80 | 122,920 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,300 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,531 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,812 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,845 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,214 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,405 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,747 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,430 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,482 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,345 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,296 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,913 |
| Capitals of the Stans | 0 | - | 4.95 | 26,838 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,230 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,107 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,020 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,339 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,797 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,425 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,902 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,521 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,323 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,766 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,016 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,306 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,372 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,830 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,137 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,329 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,611 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,810 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,781 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,731 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,090 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,906 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,007 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,354 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,495 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,383 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,587 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,363 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,166 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,108 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,991 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,959 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,571 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,095 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,940 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,450 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,822 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,520 |
| Palau Country Quiz | 0 | - | 4.90 | 23,015 |
| Boundary Waters | 0 | - | 4.92 | 88,457 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,072 |
