| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,105 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,284 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,537 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,256 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,199 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,560 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,175 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,557 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,888 |
| Asia Capital to Country | 0 | - | 4.96 | 126,778 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,576 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,643 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,344 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,350 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,208 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,241 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,173 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,961 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,510 |
| Capitals of the Stans | 0 | - | 4.95 | 26,890 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,774 |
| Countries with Megacities | 0 | - | 4.99 | 264,288 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,629 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,405 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,895 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,471 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,009 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,430 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,799 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,295 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,632 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,747 |
| Random European Capital to Country | 0 | - | 4.98 | 191,110 |
| Random European Country to Capital | 0 | - | 4.93 | 165,321 |
| Random African Capital to Country | 0 | - | 4.97 | 100,820 |
| Random African Country to Capital | 0 | - | 4.94 | 71,339 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,009 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,852 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,089 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,072 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,516 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,677 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,180 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,196 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,913 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,657 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,626 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,532 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,041 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,703 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,409 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,169 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,071 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,225 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,757 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,823 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,875 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,236 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,578 |
| Name a City - European Countries | 0 | - | 4.90 | 65,537 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,022 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,872 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,174 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,028 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,049 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,805 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,898 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,283 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,677 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,646 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,073 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,277 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,441 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,949 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,954 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,850 |
| Largest City by Island | 0 | - | 4.87 | 72,003 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,113 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,123 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,685 |
| Megacities on a World Map | 0 | - | 4.98 | 255,101 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,033 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,463 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,103 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,018 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,176 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,618 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,707 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,600 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,155 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,435 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,277 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,867 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,308 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,610 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,373 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,870 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,306 |
| Europe Capital to Country | 0 | - | 4.99 | 250,693 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,098 |
| European Capitals by Map | 0 | - | 4.99 | 139,741 |
| African Capitals by Map | 0 | - | 4.99 | 134,070 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,232 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,561 |
| European Coastal Capitals | 0 | - | 4.95 | 90,744 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,560 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,375 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,894 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,117 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,277 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,940 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,683 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,615 |
| Most Populous Islands | 0 | - | 4.80 | 123,001 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,317 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,555 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,862 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,860 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,453 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,280 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,087 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,497 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,445 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,394 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,617 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,136 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,874 |
| Official Cities in the UK | 0 | - | 4.89 | 284,282 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,607 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,172 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,357 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,631 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,154 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,445 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,195 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,252 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,021 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,710 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,366 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,263 |
| Boundary Waters | 0 | - | 4.92 | 88,534 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,226 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,217 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,630 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,557 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,520 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,543 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,975 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,603 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,660 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,590 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,309 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,870 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,091 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,935 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,200 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,603 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,255 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,791 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,565 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,174 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,798 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,689 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,553 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,026 |
| Biggest City by Region | 0 | - | 4.50 | 36,267 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,179 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,216 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,371 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,337 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,444 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,936 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,547,659 |
| Landlocked Countries | 0 | - | 4.99 | 421,530 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,565 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,564 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,181 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,936 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,473 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,462 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,702 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,970 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,323 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,416 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,186 |
| Biggest Cities in China | 0 | - | 4.53 | 158,893 |
| Biggest Cities in India | 0 | - | 4.64 | 67,812 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,784 |
| World Capitals Quiz | 0 | - | 5.00 | 5,080,696 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,739 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,669 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,569 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,453 |
| Vietnam War Countries | 0 | - | 4.82 | 94,316 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,741 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,920 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,518 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,370 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,863 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,917 |
