| Countries of Europe by Population | 0 | - | 4.98 | 182,779 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,409 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,906 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,300 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,932 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,617 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,817 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,809 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,936 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,987 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,525 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,336 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,292 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,001 |
| Countries with Megacities | 0 | - | 4.99 | 266,826 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,714 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,029 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,028 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,156 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,030 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,067 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,830 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,795 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,978 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,201 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,394 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,281 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,937 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,608 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,862 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,170 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,546 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,905 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,557 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,885 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,867 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,238 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,388 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,748 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,720 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,203 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,409 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,909 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,579 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,654 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,170 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,347 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,197 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,974 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,318 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,884 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,919 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,378 |
| Name a City - European Countries | 0 | - | 4.90 | 66,105 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,252 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,331 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,406 |
| Australia Map Quiz | 0 | - | 4.95 | 346,043 |
| Australia A-Z | 0 | - | 4.54 | 50,128 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,137 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,334 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,005 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,377 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,883 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,274 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,604 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,709 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,841 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,177 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,517 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,573 |
| Largest City by Island | 0 | - | 4.87 | 72,405 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,395 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,635 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,103 |
| Megacities on a World Map | 0 | - | 4.98 | 256,717 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,662 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,737 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,609 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,130 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 123,852 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,240 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,597 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,742 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,838 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,490 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,162 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,492 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,841 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,725 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,402 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,979 |
| Europe Capital to Country | 0 | - | 4.99 | 251,936 |
| Asia Capital to Country | 0 | - | 4.96 | 127,329 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,881 |
| European Capitals by Map | 0 | - | 4.99 | 141,941 |
| African Capitals by Map | 0 | - | 4.99 | 142,011 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,855 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,802 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,117 |
| European Coastal Capitals | 0 | - | 4.95 | 91,251 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,153 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,641 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,135 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,569 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,031 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,596 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,859 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,658 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,736 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,625 |
| Australian States and Territories | 0 | - | 4.96 | 142,784 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,481 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,941 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,517 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,944 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,068 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,396 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,448 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,131 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,481 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,201 |
| Official Cities in the UK | 0 | - | 4.89 | 286,017 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,240 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,408 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,683 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,968 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,176 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,537 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,046 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,358 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,548 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,441 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,892 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,673 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,340 |
| Orthodox Countries | 0 | - | 4.92 | 132,733 |
| Battle to Country | 0 | - | 4.91 | 53,907 |
| Monarchies of Europe | 0 | - | 4.90 | 98,799 |
| Monarchies of Asia | 0 | - | 4.97 | 71,475 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,251 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,465 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,437 |
| Flags of Oceania | 0 | - | 5.00 | 262,410 |
| Most Populous Islands | 0 | - | 4.80 | 123,280 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,377 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,639 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,969 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,936 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,463 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,775 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,119 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,601 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,999 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,474 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,575 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,141 |
| Capitals of the Stans | 0 | - | 4.95 | 27,108 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,630 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,767 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,237 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,350 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,637 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,769 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,288 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,954 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,632 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,645 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,107 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,374 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,699 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 35,464 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,862 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,984 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,954 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,847 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,670 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,083 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,619 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,023 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,149 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,519 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,292 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,601 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,273 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,079 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,789 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,803 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,730 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,715 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,876 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,553 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,760 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,543 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,944 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,610 |
| Palau Country Quiz | 0 | - | 4.90 | 23,134 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,395 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,643 |
