| Countries of Europe by Population | 0 | - | 4.98 | 178,216 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,005 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,701 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,055 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,080 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,917 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,034 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,848 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,100 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,500 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,701 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,689 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,805 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,480 |
| Countries with Megacities | 0 | - | 4.99 | 247,314 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,317 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,110 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,741 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,039 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,874 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,437 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,689 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,216 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,045 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,846 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,154 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,906 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,074 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,960 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,526 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,679 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,476 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,609 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,349 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,699 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,756 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,074 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,934 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,179 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,544 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,563 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,825 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,649 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,087 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,209 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,782 |
| 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 | 128,594 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,956 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,309 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,962 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,038 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,122 |
| Name a City - European Countries | 0 | - | 4.92 | 64,489 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,638 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,298 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,840 |
| Australia Map Quiz | 0 | - | 4.94 | 342,606 |
| 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 | 109,319 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,674 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,102 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,180 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,408 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,019 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,461 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,651 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,340 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,583 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,905 |
| Largest City by Island | 0 | - | 4.87 | 71,084 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,416 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,600 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,057 |
| Megacities on a World Map | 0 | - | 4.98 | 251,119 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,524 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,827 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,911 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,869 |
| 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 | 221,550 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,365 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,335 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,672 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,609 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,866 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,278 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,714 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,404 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,918 |
| Europe Capital to Country | 0 | - | 4.99 | 248,054 |
| Asia Capital to Country | 0 | - | 4.96 | 125,809 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,566 |
| European Capitals by Map | 0 | - | 4.99 | 136,476 |
| African Capitals by Map | 0 | - | 4.99 | 132,255 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,255 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,273 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,687 |
| European Coastal Capitals | 0 | - | 4.95 | 89,833 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,210 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,994 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,444 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,537 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,974 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,179 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,191 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,452 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,716 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,974 |
| Australian States and Territories | 0 | - | 4.96 | 140,968 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,034 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,461 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,182 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,092 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,462 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,588 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,227 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,561 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,327 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,649 |
| Official Cities in the UK | 0 | - | 4.89 | 280,741 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,124 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,490 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,501 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,037 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,702 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,459 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,177 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,222 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,749 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,738 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,519 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,809 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,108 |
| Orthodox Countries | 0 | - | 4.91 | 130,448 |
| Battle to Country | 0 | - | 4.91 | 52,569 |
| Monarchies of Europe | 0 | - | 4.90 | 97,370 |
| Monarchies of Asia | 0 | - | 4.97 | 70,626 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,452 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,651 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,478 |
| Flags of Oceania | 0 | - | 5.00 | 255,465 |
| Most Populous Islands | 0 | - | 4.79 | 122,019 |
| 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 | 22,968 |
| 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 | 25,839 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,165 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,952 |
| 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 | 230,678 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,272 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,779 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,147 |
| 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 | 68,554 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,136 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,574 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,660 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,887 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,864 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,880 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,280 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,710 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,090 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,463 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,818 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,236 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,436 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,787 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,586 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,997 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,572 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,329 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,404 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,288 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,132 |
| 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 | 122,512 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,239 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,541 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,238 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,304 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,364 |
| Palau Country Quiz | 0 | - | 4.89 | 22,852 |
| Boundary Waters | 0 | - | 4.92 | 88,066 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,832 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,340 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,357 |
