| Countries of Europe by Population | 0 | - | 4.98 | 177,717 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,424 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,477 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,724 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,815 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,693 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,902 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,766 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,845 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,103 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,609 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,609 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,141 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,881 |
| Countries with Megacities | 0 | - | 4.99 | 246,234 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,799 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,744 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,267 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,680 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,309 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,188 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,491 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,152 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,812 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,646 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,035 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,732 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,713 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,758 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,408 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,494 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,256 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,045 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,158 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,480 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,438 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,535 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,691 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,641 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,345 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,405 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,243 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,418 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,948 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,063 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,645 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,573 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,287 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,838 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,151 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,493 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,714 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,942 |
| Name a City - European Countries | 0 | - | 4.92 | 64,276 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,426 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,884 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,724 |
| Australia Map Quiz | 0 | - | 4.94 | 342,241 |
| Australia A-Z | 0 | - | 4.54 | 49,767 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,566 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,053 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,629 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,069 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,174 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,766 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,300 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,476 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,229 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,230 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,695 |
| Largest City by Island | 0 | - | 4.87 | 70,951 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,247 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,405 |
| Biggest European Cities by Century | 0 | - | 4.98 | 135,487 |
| Megacities on a World Map | 0 | - | 4.98 | 250,350 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,654 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,721 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,759 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,493 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,058 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,008 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,311 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,167 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,186 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,510 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,489 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,724 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,106 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 77,010 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,249 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,658 |
| Europe Capital to Country | 0 | - | 4.99 | 247,298 |
| Asia Capital to Country | 0 | - | 4.96 | 125,630 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,303 |
| European Capitals by Map | 0 | - | 4.99 | 135,958 |
| African Capitals by Map | 0 | - | 4.99 | 132,060 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,977 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,076 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,525 |
| European Coastal Capitals | 0 | - | 4.95 | 89,652 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,147 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,537 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,380 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,266 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,812 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,002 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,966 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,319 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,616 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,794 |
| Australian States and Territories | 0 | - | 4.95 | 140,556 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,990 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,271 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,057 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,771 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,101 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,510 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,646 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,343 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,222 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,471 |
| Official Cities in the UK | 0 | - | 4.89 | 280,168 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,043 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,435 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,845 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,526 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,545 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,332 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,015 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,083 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,648 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,657 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,370 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,706 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,886 |
| Orthodox Countries | 0 | - | 4.91 | 130,259 |
| Battle to Country | 0 | - | 4.91 | 52,442 |
| Monarchies of Europe | 0 | - | 4.90 | 97,216 |
| Monarchies of Asia | 0 | - | 4.97 | 70,541 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,380 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,484 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,306 |
| Flags of Oceania | 0 | - | 5.00 | 254,643 |
| Most Populous Islands | 0 | - | 4.78 | 121,913 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,191 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,392 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,587 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,702 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,802 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,860 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,256 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,632 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,151 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,713 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,131 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,899 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,518 |
| Capitals of the Stans | 0 | - | 4.95 | 26,368 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,236 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,914 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,561 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,979 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,443 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,874 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,484 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,041 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,286 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,460 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,865 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,665 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,624 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,091 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,591 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,677 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,085 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,584 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,118 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,303 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,777 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,360 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,693 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,395 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,099 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,297 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,159 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,007 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,171 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,036 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,452 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,172 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,425 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,122 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,276 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,331 |
| Palau Country Quiz | 0 | - | 4.89 | 22,817 |
| Boundary Waters | 0 | - | 4.92 | 87,993 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,182 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,137 |
