| Countries of Europe by Population | 0 | - | 4.98 | 177,683 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,352 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,461 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,702 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,800 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,681 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,896 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,762 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,839 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,008 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,608 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,458 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,038 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,855 |
| Countries with Megacities | 0 | - | 4.99 | 246,174 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,776 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,732 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,242 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,666 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,180 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,173 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,420 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,150 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,797 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,635 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,029 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,720 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,686 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,748 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,397 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,488 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,233 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,992 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,144 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,446 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,404 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,486 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,647 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,578 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,318 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,381 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,212 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,400 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,938 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,052 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,630 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,551 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,249 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,823 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,972 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,462 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,684 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,934 |
| Name a City - European Countries | 0 | - | 4.92 | 64,268 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,351 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,822 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,719 |
| Australia Map Quiz | 0 | - | 4.94 | 342,216 |
| Australia A-Z | 0 | - | 4.54 | 49,764 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,564 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,036 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,628 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,068 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,085 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,161 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,749 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,283 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,465 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,224 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,200 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,674 |
| Largest City by Island | 0 | - | 4.87 | 70,939 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,214 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,394 |
| Biggest European Cities by Century | 0 | - | 4.98 | 131,946 |
| Megacities on a World Map | 0 | - | 4.98 | 250,218 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,554 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,710 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,742 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,463 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,044 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,983 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,291 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,145 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,179 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,499 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,479 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,712 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,090 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 76,911 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,240 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,645 |
| Europe Capital to Country | 0 | - | 4.99 | 247,275 |
| Asia Capital to Country | 0 | - | 4.96 | 125,626 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,282 |
| European Capitals by Map | 0 | - | 4.99 | 135,916 |
| African Capitals by Map | 0 | - | 4.99 | 132,043 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,960 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,069 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,521 |
| European Coastal Capitals | 0 | - | 4.95 | 89,634 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,144 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,516 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,371 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,243 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,795 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,986 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,955 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,305 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,607 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,779 |
| Australian States and Territories | 0 | - | 4.95 | 140,548 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,255 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,048 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,710 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,076 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,506 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,588 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,326 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,211 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,458 |
| Official Cities in the UK | 0 | - | 4.89 | 280,123 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,036 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,426 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,782 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,486 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,534 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,326 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,005 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,073 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,641 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,651 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,364 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,700 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,874 |
| Orthodox Countries | 0 | - | 4.91 | 130,248 |
| Battle to Country | 0 | - | 4.91 | 52,436 |
| Monarchies of Europe | 0 | - | 4.90 | 97,202 |
| Monarchies of Asia | 0 | - | 4.97 | 70,537 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,465 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,301 |
| Flags of Oceania | 0 | - | 5.00 | 254,601 |
| Most Populous Islands | 0 | - | 4.78 | 121,905 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,190 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,391 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,585 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,700 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,797 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,854 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,250 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,631 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,146 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,705 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,127 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,889 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,516 |
| Capitals of the Stans | 0 | - | 4.95 | 26,364 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,207 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,900 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,544 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,963 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,433 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,868 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,478 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,036 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,263 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,449 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,863 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,651 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,607 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,084 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,645 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,052 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,576 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,108 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,292 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,771 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,349 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,678 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,386 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,079 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,287 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,153 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,999 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,161 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,021 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,446 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,168 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,418 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,111 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,276 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,331 |
| Palau Country Quiz | 0 | - | 4.89 | 22,816 |
| Boundary Waters | 0 | - | 4.92 | 87,991 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,174 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,127 |
