| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,849 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,919 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,770 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,789 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,761 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,716 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,013 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,011 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,337 |
| Asia Capital to Country | 0 | - | 4.96 | 125,647 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,999 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,151 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,133 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,519 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,092 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,384 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,481 |
| Capitals of the Stans | 0 | - | 4.95 | 26,375 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,499 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,860 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,225 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,164 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
| Random European Capital to Country | 0 | - | 4.98 | 189,086 |
| Random European Country to Capital | 0 | - | 4.92 | 147,361 |
| Random African Capital to Country | 0 | - | 4.97 | 99,682 |
| Random African Country to Capital | 0 | - | 4.94 | 70,163 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,836 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,313 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,283 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,109 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,515 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,806 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,780 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Vietnam War Countries | 0 | - | 4.83 | 93,544 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,912 |
| Countries with Megacities | 0 | - | 4.99 | 246,309 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,834 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,757 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,291 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,699 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,331 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,448 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,557 |
| Biggest Cities in India | 0 | - | 4.70 | 67,288 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,561 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,231 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,646 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,576 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,745 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,747 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,781 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,412 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,515 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,173 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,533 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,496 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,624 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,734 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,720 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,379 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,434 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,767 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,461 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,972 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,080 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,664 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,597 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,380 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,262 |
| Name a City - European Countries | 0 | - | 4.92 | 64,288 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,085 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,291 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,079 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,092 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,193 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,788 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,315 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,488 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,238 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,261 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,728 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,857 |
| Largest City by Island | 0 | - | 4.87 | 70,973 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,295 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,433 |
| Biggest European Cities by Century | 0 | - | 4.98 | 139,534 |
| Megacities on a World Map | 0 | - | 4.98 | 250,574 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,732 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,783 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,717 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,380 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,546 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,236 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,052 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,344 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,190 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,533 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,501 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,738 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,132 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,495 |
| Official Cities in the UK | 0 | - | 4.89 | 280,259 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,261 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,677 |
| Europe Capital to Country | 0 | - | 4.99 | 247,341 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,333 |
| European Capitals by Map | 0 | - | 4.99 | 136,007 |
| African Capitals by Map | 0 | - | 4.99 | 132,081 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,903 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,599 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,570 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,347 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,039 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,087 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,539 |
| European Coastal Capitals | 0 | - | 4.95 | 89,669 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,459 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,588 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,386 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,654 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,718 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,824 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,026 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,990 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,602 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,635 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,706 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,882 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,072 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,871 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,186 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,496 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,053 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,315 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,692 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,107 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,715 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,138 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,621 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,320 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,022 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,778 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,798 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,717 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,191 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,617 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,560 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,090 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,801 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,074 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,169 |
| Most Populous Islands | 0 | - | 4.78 | 121,922 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,191 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,396 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,762 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,591 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,812 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,621 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,157 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,382 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,075 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,627 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,654 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,763 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,352 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,468 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,474 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,023 |
| Biggest Cities in China | 0 | - | 4.53 | 156,859 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,297 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,433 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,750 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,959 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,879 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,351 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,338 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,159 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,759 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,449 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,836 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,655 |
| Which City in Europe? | 0 | - | 4.83 | 106,563 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,211 |
| Arms Exports - United States | 0 | - | 4.70 | 54,286 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,760 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,508 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,760 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,329 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,304 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,612 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,654 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,333 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,752 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,904 |
