| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,831 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,910 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,755 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,740 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,702 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,010 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,958 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,297 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,333 |
| Asia Capital to Country | 0 | - | 4.96 | 125,640 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,984 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,119 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,513 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,086 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,374 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,468 |
| Capitals of the Stans | 0 | - | 4.95 | 26,371 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,490 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,853 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,155 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,153 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,960 |
| Random European Capital to Country | 0 | - | 4.98 | 189,079 |
| Random European Country to Capital | 0 | - | 4.92 | 147,343 |
| Random African Capital to Country | 0 | - | 4.97 | 99,677 |
| Random African Country to Capital | 0 | - | 4.94 | 70,160 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,741 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,215 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,272 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,083 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,405 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,805 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,778 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,581 |
| Vietnam War Countries | 0 | - | 4.83 | 93,540 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,894 |
| Countries with Megacities | 0 | - | 4.99 | 246,269 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,816 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,750 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,273 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,688 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,292 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,290 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,526 |
| Biggest Cities in India | 0 | - | 4.70 | 67,286 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,507 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,224 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,646 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,568 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,042 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,738 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,733 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,771 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,503 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,168 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,509 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,460 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,584 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,712 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,678 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,353 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,417 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,707 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,436 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,960 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,070 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,652 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,588 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,329 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,261 |
| Name a City - European Countries | 0 | - | 4.92 | 64,281 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,079 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,279 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,070 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,182 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,775 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,305 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,481 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,232 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,242 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,716 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,817 |
| Largest City by Island | 0 | - | 4.87 | 70,958 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,267 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,420 |
| Biggest European Cities by Century | 0 | - | 4.98 | 137,545 |
| Megacities on a World Map | 0 | - | 4.98 | 250,470 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,728 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,768 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,675 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,357 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,516 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,227 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,032 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,328 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,179 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,191 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,525 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,495 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,120 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,487 |
| Official Cities in the UK | 0 | - | 4.89 | 280,220 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,255 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,668 |
| Europe Capital to Country | 0 | - | 4.99 | 247,322 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,315 |
| European Capitals by Map | 0 | - | 4.99 | 135,989 |
| African Capitals by Map | 0 | - | 4.99 | 132,063 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,878 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,565 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,559 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,344 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,029 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,083 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,535 |
| European Coastal Capitals | 0 | - | 4.95 | 89,665 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,442 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,566 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,651 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,709 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,822 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,015 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,980 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,573 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,632 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,705 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,877 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,070 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,865 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,181 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,492 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,047 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,304 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,678 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,097 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,692 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,111 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,607 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,309 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,021 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,777 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,798 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,707 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,187 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,614 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,542 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,083 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,795 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,029 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,161 |
| Most Populous Islands | 0 | - | 4.78 | 121,918 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,191 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,395 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,760 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,589 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,807 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,620 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,141 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,374 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,060 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,617 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,633 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,755 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,329 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,457 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,471 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,004 |
| Biggest Cities in China | 0 | - | 4.53 | 156,850 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,292 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,274 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,731 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,948 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,870 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,348 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,329 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,153 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,752 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,446 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,829 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,649 |
| Which City in Europe? | 0 | - | 4.83 | 106,560 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,208 |
| Arms Exports - United States | 0 | - | 4.70 | 54,276 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,757 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,500 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,755 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,323 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,289 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,610 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,645 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,315 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,736 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,896 |
