| Countries of Europe by Population | 0 | - | 4.98 | 183,340 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,964 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,062 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,732 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,283 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,102 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,982 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,926 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,091 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,977 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,599 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,001 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,712 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,321 |
| Countries with Megacities | 0 | - | 4.99 | 267,467 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,987 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,228 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,318 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,332 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,251 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,258 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,794 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,847 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,134 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,420 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,514 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,402 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,361 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,733 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,947 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,294 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,716 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,335 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,672 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,015 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,065 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,875 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,604 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,557 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,259 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,864 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,314 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,891 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,028 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,672 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,777 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,257 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,466 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,548 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,060 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,034 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,245 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,087 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,508 |
| Name a City - European Countries | 0 | - | 4.89 | 66,254 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,468 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,348 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,521 |
| Australia Map Quiz | 0 | - | 4.95 | 346,292 |
| Australia A-Z | 0 | - | 4.54 | 50,150 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,428 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,506 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,038 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,395 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,942 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,455 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,751 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,808 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,962 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,223 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,681 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,756 |
| Largest City by Island | 0 | - | 4.87 | 72,496 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,457 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,757 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,194 |
| Megacities on a World Map | 0 | - | 4.98 | 257,180 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,386 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,803 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,752 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,608 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 124,117 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,315 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,755 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,904 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,948 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,566 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,235 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,543 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,887 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,806 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,570 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,168 |
| Europe Capital to Country | 0 | - | 4.99 | 252,281 |
| Asia Capital to Country | 0 | - | 4.96 | 127,620 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,098 |
| European Capitals by Map | 0 | - | 4.99 | 142,287 |
| African Capitals by Map | 0 | - | 4.99 | 142,356 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,013 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,980 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,261 |
| European Coastal Capitals | 0 | - | 4.95 | 91,390 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,231 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,965 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,201 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,800 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,227 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,735 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,020 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,771 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,861 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,071 |
| Australian States and Territories | 0 | - | 4.96 | 142,933 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,514 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,027 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,612 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,051 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,254 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,454 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,026 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,284 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,556 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,296 |
| Official Cities in the UK | 0 | - | 4.89 | 286,541 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,406 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,542 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,237 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,426 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,294 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,639 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,204 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,435 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,620 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,499 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,000 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,748 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,506 |
| Orthodox Countries | 0 | - | 4.92 | 132,868 |
| Battle to Country | 0 | - | 4.91 | 54,030 |
| Monarchies of Europe | 0 | - | 4.90 | 98,939 |
| Monarchies of Asia | 0 | - | 4.97 | 71,544 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,317 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,609 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,586 |
| Flags of Oceania | 0 | - | 5.00 | 263,050 |
| Most Populous Islands | 0 | - | 4.80 | 123,384 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,391 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,658 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,996 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,957 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,514 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,840 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,172 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,631 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,177 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,504 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,638 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,187 |
| Capitals of the Stans | 0 | - | 4.95 | 27,187 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,049 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,054 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,431 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,495 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,801 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,825 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,333 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,996 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,904 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,806 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,128 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,594 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 103,043 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,011 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,042 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,509 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,117 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,224 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,160 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,727 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,047 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,337 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,726 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,439 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,836 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,404 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,510 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,886 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,971 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,864 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,782 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,915 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,646 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,874 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,557 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,962 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,630 |
| Palau Country Quiz | 0 | - | 4.89 | 23,154 |
| Boundary Waters | 0 | - | 4.92 | 88,799 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,762 |
