| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,927 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,957 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,807 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,555 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,555 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,937 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,907 |
| Asia Capital to Country | 0 | - | 4.96 | 125,708 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,066 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,490 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,851 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,793 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,139 |
| Capitals of the Stans | 0 | - | 4.95 | 26,393 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,000 |
| Countries with Megacities | 0 | - | 4.99 | 246,540 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,921 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,800 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,373 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,760 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,509 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,481 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,006 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,423 |
| Asia Map Quiz | 0 | - | 4.99 | 906,681 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,079 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,779 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,831 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,444 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,544 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,209 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,603 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,592 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,786 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,802 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,919 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,447 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,485 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,532 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,023 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,131 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,717 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,641 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,484 |
| Name a City - European Countries | 0 | - | 4.92 | 64,344 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,420 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,488 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,156 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,694 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,937 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,601 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,650 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,082 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,360 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,298 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,800 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,790 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,605 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,220 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,154 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,114 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,264 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,861 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,541 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,256 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,367 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,804 |
| Largest City by Island | 0 | - | 4.87 | 71,009 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,358 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,501 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,462 |
| Megacities on a World Map | 0 | - | 4.98 | 250,829 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,035 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,772 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,831 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,649 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,109 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,406 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,241 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,221 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,569 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,769 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,167 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,315 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,753 |
| Europe Capital to Country | 0 | - | 4.99 | 247,450 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,398 |
| European Capitals by Map | 0 | - | 4.99 | 136,151 |
| African Capitals by Map | 0 | - | 4.99 | 132,113 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,144 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,575 |
| European Coastal Capitals | 0 | - | 4.95 | 89,711 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,635 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,685 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,407 |
| Countries of the Middle East | 0 | - | 4.96 | 198,838 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,073 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,040 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,667 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,447 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,730 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,322 |
| Random Asian City to Country | 0 | - | 4.56 | 44,386 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,241 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,237 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,813 |
| Most Populous Islands | 0 | - | 4.79 | 121,955 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,718 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,341 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,836 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,116 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,911 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,970 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,244 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,548 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,887 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,469 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,272 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,556 |
| Official Cities in the UK | 0 | - | 4.89 | 280,413 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,578 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,764 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,079 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,758 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,631 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,378 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,078 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,027 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,680 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,805 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,414 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,743 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,316 |
| Monarchies of Asia | 0 | - | 4.97 | 70,581 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,693 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,992 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,366 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,222 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,895,075 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,428 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,932 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,881 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,892 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,677 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,891 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,519 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,100 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,397 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,534 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,903 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,748 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,247 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,155 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,833 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,296 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,707 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,373 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,373 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,783 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,647 |
| Landlocked Countries | 0 | - | 4.99 | 413,317 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,195 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,203 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,772 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,759 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,426 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,134 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,446 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,183 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,480 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,964 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,016 |
| Japan Country Quiz | 0 | - | 4.92 | 141,191 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,314 |
| Syria Country Quiz | 0 | - | 4.81 | 32,285 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,747 |
| States of India Map Quiz | 0 | - | 4.82 | 26,011 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,994 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,828 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,144 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,964 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,111 |
| Population Trivia | 0 | - | 4.32 | 27,419 |
