| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,932 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,959 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,811 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,609 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,949 |
| Largest City by Island | 0 | - | 4.87 | 71,010 |
| Asia Capital to Country | 0 | - | 4.96 | 125,711 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,082 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,173 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,562 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,913 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,525 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,859 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,800 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,146 |
| Capitals of the Stans | 0 | - | 4.95 | 26,397 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,023 |
| Countries with Megacities | 0 | - | 4.99 | 246,584 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,951 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,819 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,389 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,764 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,564 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,498 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,719 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,045 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,451 |
| Asia Map Quiz | 0 | - | 4.99 | 906,720 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,087 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,785 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,842 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,830 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,448 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,554 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,214 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,607 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,602 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,797 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,806 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,926 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,452 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,489 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,493 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,537 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,026 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,133 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,720 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,643 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,487 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,215 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,704 |
| Name a City - European Countries | 0 | - | 4.92 | 64,350 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,969 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,624 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,424 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,361 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,305 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,800 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,792 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,608 |
| Asian Island Nations | 0 | - | 4.63 | 93,735 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,256 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,165 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,650 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,083 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,118 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,274 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,873 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,363 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,545 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,262 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,379 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,807 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,358 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,506 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,551 |
| Megacities on a World Map | 0 | - | 4.98 | 250,836 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,052 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,773 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,835 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,653 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,121 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,115 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,412 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,251 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,229 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,572 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,538 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,773 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,175 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,318 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,758 |
| Europe Capital to Country | 0 | - | 4.99 | 247,491 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,402 |
| European Capitals by Map | 0 | - | 4.99 | 136,161 |
| African Capitals by Map | 0 | - | 4.99 | 132,115 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,149 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,579 |
| European Coastal Capitals | 0 | - | 4.95 | 89,715 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,664 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,690 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,408 |
| Countries of the Middle East | 0 | - | 4.96 | 198,844 |
| African Island Countries | 0 | - | 4.96 | 100,750 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,078 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,049 |
| Islands by Country #1 | 0 | - | 4.87 | 174,456 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,670 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,451 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,734 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,376 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,204 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,326 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| Random Asian City to Country | 0 | - | 4.56 | 44,387 |
| Most Populous Islands | 0 | - | 4.79 | 121,957 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,197 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,400 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,602 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,348 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,837 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,117 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,914 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,972 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,258 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,553 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,905 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,473 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,277 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,563 |
| Official Cities in the UK | 0 | - | 4.89 | 280,421 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,579 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,766 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,107 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,768 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,634 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,383 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,081 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,029 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,683 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,807 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,416 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,228 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,745 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,319 |
| Richest Island Countries | 0 | - | 4.84 | 99,479 |
| Monarchies of Asia | 0 | - | 4.97 | 70,584 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,705 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,998 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,372 |
| Boundary Waters | 0 | - | 4.92 | 88,026 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,245 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,241 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,816 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,710 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,933 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,522 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,104 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,404 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,539 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,750 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,160 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,850 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,299 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,713 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,378 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,790 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,647 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,203 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,207 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,775 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,760 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,427 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,188 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,482 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,967 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,019 |
| Japan Country Quiz | 0 | - | 4.92 | 141,196 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,317 |
| Syria Country Quiz | 0 | - | 4.81 | 32,292 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,749 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,002 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,833 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,429 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,888 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,892 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,681 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,892 |
| 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 | 82,906 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,248 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,378 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,897,573 |
| Landlocked Countries | 0 | - | 4.99 | 413,347 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,286 |
