| Countries of Europe by Population | 0 | - | 4.98 | 177,897 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,589 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,537 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,828 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,910 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,772 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,945 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,794 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,890 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,426 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,638 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,335 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,438 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,979 |
| Countries with Megacities | 0 | - | 4.99 | 246,478 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,895 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,787 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,360 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,744 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,850 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,282 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,935 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,168 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,899 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,706 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,067 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,770 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,808 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,811 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,437 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,536 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,334 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,233 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,197 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,585 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,571 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,737 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,787 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,871 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,427 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,473 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,443 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,509 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,011 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,118 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,696 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,625 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,464 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,877 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,980 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,647 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,828 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,007 |
| Name a City - European Countries | 0 | - | 4.92 | 64,329 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,862 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,413 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,753 |
| Australia Map Quiz | 0 | - | 4.94 | 342,362 |
| Australia A-Z | 0 | - | 4.54 | 49,772 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,587 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,128 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,646 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,078 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,110 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,245 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,845 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,350 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,525 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,250 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,335 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,783 |
| Largest City by Island | 0 | - | 4.87 | 70,997 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,343 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,474 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,821 |
| Megacities on a World Map | 0 | - | 4.98 | 250,775 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,966 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,755 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,808 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,601 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,105 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,093 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,389 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,228 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,212 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,524 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,759 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,154 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,295 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,303 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,734 |
| Europe Capital to Country | 0 | - | 4.99 | 247,420 |
| Asia Capital to Country | 0 | - | 4.96 | 125,690 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,382 |
| European Capitals by Map | 0 | - | 4.99 | 136,113 |
| African Capitals by Map | 0 | - | 4.99 | 132,101 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,055 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,122 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,570 |
| European Coastal Capitals | 0 | - | 4.95 | 89,700 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,161 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,663 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,401 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,375 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,869 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,059 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,031 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,371 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,638 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,848 |
| Australian States and Territories | 0 | - | 4.95 | 140,601 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,999 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,331 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,109 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,939 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,217 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,534 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,835 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,441 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,264 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,544 |
| Official Cities in the UK | 0 | - | 4.89 | 280,363 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,077 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,454 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,043 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,738 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,608 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,370 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,067 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,128 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,673 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,680 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,405 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,736 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,954 |
| Orthodox Countries | 0 | - | 4.91 | 130,321 |
| Battle to Country | 0 | - | 4.91 | 52,479 |
| Monarchies of Europe | 0 | - | 4.90 | 97,267 |
| Monarchies of Asia | 0 | - | 4.97 | 70,571 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,415 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,542 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,374 |
| Flags of Oceania | 0 | - | 5.00 | 254,917 |
| Most Populous Islands | 0 | - | 4.78 | 121,945 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,716 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,831 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,901 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,280 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,648 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,167 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,755 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,140 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,919 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,542 |
| Capitals of the Stans | 0 | - | 4.95 | 26,385 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,388 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,058 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,648 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,042 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,507 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,923 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,512 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,083 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,377 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,515 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,868 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,732 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,724 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,146 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,634 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,800 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,231 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,666 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,166 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,356 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,780 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,452 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,767 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,478 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,172 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,329 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,195 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,041 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,202 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,079 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,476 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,189 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,455 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,164 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,338 |
| Palau Country Quiz | 0 | - | 4.89 | 22,826 |
| Boundary Waters | 0 | - | 4.92 | 88,023 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,231 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,220 |
