| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,418 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,233 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,961 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,912 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,506 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,287 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,089 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,574 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,682 |
| Asia Capital to Country | 0 | - | 4.96 | 126,039 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,601 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,300 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,138 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,398 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,066 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,954 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,673 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,402 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,729 |
| Capitals of the Stans | 0 | - | 4.95 | 26,554 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,992 |
| Countries with Megacities | 0 | - | 4.99 | 248,379 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,884 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,398 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,271 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,337 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,990 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,390 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,486 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,952 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,660 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,231 |
| Random European Capital to Country | 0 | - | 4.98 | 189,621 |
| Random European Country to Capital | 0 | - | 4.92 | 147,733 |
| Random African Capital to Country | 0 | - | 4.97 | 99,916 |
| Random African Country to Capital | 0 | - | 4.94 | 70,397 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,345 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,192 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,650 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,196 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,679 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,995 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,551 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,031 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,203 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,895 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,278 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,289 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,887 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,820 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,902 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,944 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,336 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,408 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,942 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,977 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,089 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,273 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,512 |
| Name a City - European Countries | 0 | - | 4.91 | 64,717 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,548 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,771 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,438 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,871 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,754 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,634 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,711 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,142 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,278 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,706 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,239 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,647 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,817 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,540 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,209 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,668 |
| Largest City by Island | 0 | - | 4.87 | 71,302 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,536 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,839 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,799 |
| Megacities on a World Map | 0 | - | 4.98 | 251,936 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,800 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,970 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,233 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,342 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,573 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,237 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,999 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,541 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,819 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,563 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,463 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,824 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,716 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,965 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,440 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,924 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,261 |
| Europe Capital to Country | 0 | - | 4.99 | 248,572 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,915 |
| European Capitals by Map | 0 | - | 4.99 | 137,306 |
| African Capitals by Map | 0 | - | 4.99 | 132,609 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,485 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,870 |
| European Coastal Capitals | 0 | - | 4.95 | 90,006 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,803 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,525 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,523 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,400 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,446 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,699 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,188 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,360 |
| Most Populous Islands | 0 | - | 4.79 | 122,133 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,228 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,441 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,670 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,755 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,674 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,968 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,336 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,089 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,307 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,056 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,093 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,501 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,819 |
| Official Cities in the UK | 0 | - | 4.89 | 281,526 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,002 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,612 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,826 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,884 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,610 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,436 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,076 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,856 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,864 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,366 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,928 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,397 |
| Boundary Waters | 0 | - | 4.92 | 88,152 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,909 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,537 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,640 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,028 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,935 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,109 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,652 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,231 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,015 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,217 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,501 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,764 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,805 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,110 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,631 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,418 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,840 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,901 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,830 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 117,859 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,988 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,122 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,963 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,805 |
| Biggest City by Region | 0 | - | 4.50 | 36,044 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,975 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,080 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,265 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,029 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,300 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,829 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,081,653 |
| Landlocked Countries | 0 | - | 4.99 | 415,638 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 558,738 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,253 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,898 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,227 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,586 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,699 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,936 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,122 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,896 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,747 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,694 |
| Biggest Cities in China | 0 | - | 4.52 | 157,497 |
| Biggest Cities in India | 0 | - | 4.70 | 67,452 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,681,206 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,499 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,447 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,785 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,310 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,149 |
| Vietnam War Countries | 0 | - | 4.83 | 93,810 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,396 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,915 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,062 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,874 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,831 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,130 |
