| Countries of Europe by Population | 0 | - | 4.98 | 178,350 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,225 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,873 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,150 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,147 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,987 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,067 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,874 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,181 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,870 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,733 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,294 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,952 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,623 |
| Countries with Megacities | 0 | - | 4.99 | 247,558 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,457 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,203 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,875 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,128 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,354 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,504 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,117 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,238 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,103 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,896 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,196 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,023 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,273 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,025 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,562 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,811 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,542 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,808 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,408 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,801 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,864 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,283 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,042 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,520 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,663 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,628 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,023 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,718 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,149 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,258 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,818 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,795 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,669 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,992 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,932 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,099 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,097 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,160 |
| Name a City - European Countries | 0 | - | 4.92 | 64,550 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,103 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,707 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,916 |
| Australia Map Quiz | 0 | - | 4.94 | 342,697 |
| Australia A-Z | 0 | - | 4.54 | 49,808 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,640 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,396 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,681 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,112 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,207 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,482 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,071 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,498 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,690 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,352 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,758 |
| Biggest Cities by Language | 0 | - | 4.96 | 237,350 |
| Largest City by Island | 0 | - | 4.87 | 71,126 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,439 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,648 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,340 |
| Megacities on a World Map | 0 | - | 4.98 | 251,271 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,777 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,871 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,952 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,963 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,205 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,279 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,612 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,418 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,362 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,705 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,644 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,899 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,318 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,880 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,452 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,013 |
| Europe Capital to Country | 0 | - | 4.99 | 248,161 |
| Asia Capital to Country | 0 | - | 4.96 | 125,846 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,650 |
| European Capitals by Map | 0 | - | 4.99 | 136,713 |
| African Capitals by Map | 0 | - | 4.99 | 132,338 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,330 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,319 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,738 |
| European Coastal Capitals | 0 | - | 4.95 | 89,876 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,229 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,087 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,461 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,616 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,029 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,227 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,245 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,501 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,747 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,029 |
| Australian States and Territories | 0 | - | 4.96 | 141,010 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,043 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,522 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,213 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,151 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,596 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,609 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,424 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,630 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,370 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,686 |
| Official Cities in the UK | 0 | - | 4.89 | 280,914 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,152 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,509 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,706 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,227 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,743 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,504 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,273 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,245 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,767 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,761 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,583 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,833 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,161 |
| Orthodox Countries | 0 | - | 4.91 | 130,496 |
| Battle to Country | 0 | - | 4.91 | 52,597 |
| Monarchies of Europe | 0 | - | 4.90 | 97,413 |
| Monarchies of Asia | 0 | - | 4.97 | 70,655 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,474 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,713 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,518 |
| Flags of Oceania | 0 | - | 5.00 | 255,725 |
| Most Populous Islands | 0 | - | 4.79 | 122,047 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,418 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,642 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,734 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,892 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,999 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,362 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,687 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,204 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,880 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,180 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,979 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,617 |
| Capitals of the Stans | 0 | - | 4.95 | 26,470 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,799 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,371 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,828 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,190 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,668 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,008 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,574 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,153 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,671 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,712 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,894 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,926 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,951 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,320 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 137,721 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,248 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,545 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,881 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,261 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,491 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,798 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,664 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,118 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,618 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,425 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,432 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,322 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,159 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,331 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,196 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,532 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,253 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,570 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,280 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,317 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,386 |
| Palau Country Quiz | 0 | - | 4.89 | 22,863 |
| Boundary Waters | 0 | - | 4.92 | 88,081 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,851 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,390 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,437 |
