| Countries of Europe by Population | 0 | - | 4.98 | 178,211 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,981 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,698 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,049 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,075 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,912 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,032 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,848 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,097 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,485 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,699 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,660 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,801 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,473 |
| Countries with Megacities | 0 | - | 4.99 | 247,311 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,307 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,106 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,737 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,033 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,856 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,435 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,670 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,216 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,043 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,842 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,149 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,894 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,057 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,957 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,524 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,672 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,473 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,604 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,345 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,699 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,755 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,067 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,930 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,176 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,542 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,562 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,818 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,646 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,086 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,207 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,781 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,738 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,589 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,955 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,291 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,958 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,035 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,122 |
| Name a City - European Countries | 0 | - | 4.92 | 64,484 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,611 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,278 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,831 |
| Australia Map Quiz | 0 | - | 4.94 | 342,599 |
| Australia A-Z | 0 | - | 4.54 | 49,793 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,623 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,315 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,674 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,099 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,178 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,407 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,017 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,459 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,649 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,339 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,577 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,904 |
| Largest City by Island | 0 | - | 4.87 | 71,083 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,598 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,047 |
| Megacities on a World Map | 0 | - | 4.98 | 251,115 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,515 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,826 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,909 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,864 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,172 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,218 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,548 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,359 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,333 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,668 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,609 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,865 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,273 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,706 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,401 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,915 |
| Europe Capital to Country | 0 | - | 4.99 | 248,044 |
| Asia Capital to Country | 0 | - | 4.96 | 125,808 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,557 |
| European Capitals by Map | 0 | - | 4.99 | 136,466 |
| African Capitals by Map | 0 | - | 4.99 | 132,255 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,253 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,269 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,682 |
| European Coastal Capitals | 0 | - | 4.95 | 89,831 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,210 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,969 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,444 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,534 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,972 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,176 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,186 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,452 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,714 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,974 |
| Australian States and Territories | 0 | - | 4.96 | 140,962 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,033 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,460 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,181 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,091 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,454 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,586 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,218 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,561 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,326 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,646 |
| Official Cities in the UK | 0 | - | 4.89 | 280,734 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,123 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,489 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,495 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,030 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,702 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,456 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,174 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,216 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,748 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,737 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,519 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,808 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,107 |
| Orthodox Countries | 0 | - | 4.91 | 130,448 |
| Battle to Country | 0 | - | 4.91 | 52,567 |
| Monarchies of Europe | 0 | - | 4.90 | 97,369 |
| Monarchies of Asia | 0 | - | 4.97 | 70,622 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,452 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,647 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,474 |
| Flags of Oceania | 0 | - | 5.00 | 255,450 |
| Most Populous Islands | 0 | - | 4.79 | 122,015 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,207 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,410 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,628 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,728 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,869 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,967 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,344 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,680 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,196 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,836 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,165 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,951 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,593 |
| Capitals of the Stans | 0 | - | 4.95 | 26,443 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,671 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,266 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,775 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,144 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,618 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,987 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,553 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,136 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,570 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,657 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,887 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,861 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,878 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,276 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,709 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,085 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,461 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,817 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,235 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,436 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,786 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,583 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,993 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,571 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,323 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,403 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,287 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,130 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,289 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,151 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,238 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,539 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,233 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,303 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,363 |
| Palau Country Quiz | 0 | - | 4.89 | 22,852 |
| Boundary Waters | 0 | - | 4.92 | 88,064 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,831 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,336 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,357 |
