| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,797 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,891 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,761 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,772 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,456 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,672 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,835 |
| Asia Capital to Country | 0 | - | 4.96 | 125,616 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,952 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,979 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,692 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,673 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,070 |
| Capitals of the Stans | 0 | - | 4.95 | 26,362 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,852 |
| Countries with Megacities | 0 | - | 4.99 | 246,153 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,771 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,727 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,664 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,419 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,002 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,132 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,940 |
| Asia Map Quiz | 0 | - | 4.99 | 905,650 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,716 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,671 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,742 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,392 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,480 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,143 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,437 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,392 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,464 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,636 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,562 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,310 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,371 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,387 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,930 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,046 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,625 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,546 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,240 |
| Name a City - European Countries | 0 | - | 4.92 | 64,261 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,281 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,194 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,934 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,454 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,313 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,520 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,626 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,068 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,228 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,983 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,790 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,771 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,575 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,413 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,029 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,081 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,149 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,745 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,280 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,464 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,219 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,191 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,672 |
| Largest City by Island | 0 | - | 4.87 | 70,936 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,198 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,388 |
| Biggest European Cities by Century | 0 | - | 4.98 | 130,521 |
| Megacities on a World Map | 0 | - | 4.98 | 250,161 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,533 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,709 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,734 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,458 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,978 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,288 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,137 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,175 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,498 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,476 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,710 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,088 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,236 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,638 |
| Europe Capital to Country | 0 | - | 4.99 | 247,268 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,273 |
| European Capitals by Map | 0 | - | 4.99 | 135,906 |
| African Capitals by Map | 0 | - | 4.99 | 132,037 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,063 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,630 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,345 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,513 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Countries of the Middle East | 0 | - | 4.96 | 198,687 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,985 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,952 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,578 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,352 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,669 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,315 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,126 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,256 |
| Random Asian City to Country | 0 | - | 4.56 | 44,376 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,564 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,170 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,125 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,758 |
| Most Populous Islands | 0 | - | 4.78 | 121,902 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,188 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,388 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,585 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,698 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,248 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,797 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,045 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,850 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,691 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,070 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,504 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,573 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,320 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,208 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,457 |
| Official Cities in the UK | 0 | - | 4.89 | 280,107 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,564 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,703 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,745 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,463 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,526 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,001 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,016 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,795 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,362 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,697 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,532 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,376 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,525 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,906 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,275 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,179 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,848,507 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,368 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,865 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,828 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,880 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,642 |
| Biggest City by Region | 0 | - | 4.50 | 35,964 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,862 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,470 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,033 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,257 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,443 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,995 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,200 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,880 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,646 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,230 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,079 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,631 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,040 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,572 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,352 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,292 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,769 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,669 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,606 |
| Landlocked Countries | 0 | - | 4.99 | 412,849 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,064 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,147 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,718 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,701 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,363 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,534 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,421 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,115 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,445 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,941 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,926 |
| Japan Country Quiz | 0 | - | 4.92 | 141,103 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,283 |
| Syria Country Quiz | 0 | - | 4.81 | 32,258 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,687 |
| States of India Map Quiz | 0 | - | 4.82 | 25,984 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,887 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,698 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,896 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,071 |
| Population Trivia | 0 | - | 4.32 | 27,409 |
