| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,502 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,617 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,970 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,647 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,132 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,875 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,069 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,499 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,829 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,420 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,011 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,688 |
| Capitals of the Stans | 0 | - | 4.95 | 26,739 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,975 |
| Countries with Megacities | 0 | - | 4.99 | 258,741 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,848 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,964 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,130 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,968 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,063 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,666 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,551 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,573 |
| Asia Map Quiz | 0 | - | 4.99 | 914,465 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,717 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,541 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,376 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,664 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,255 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,355 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,914 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,449 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,887 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,093 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,865 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,765 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,353 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,193 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,439 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,662 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,762 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,574 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,359 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,826 |
| Name a City - European Countries | 0 | - | 4.90 | 65,187 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,633 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,465 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,413 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,520 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,838 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,849 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,800 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,213 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,328 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,798 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,867 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,959 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,903 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,436 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,375 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,199 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,690 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,964 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,148 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,819 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,010 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,976 |
| Largest City by Island | 0 | - | 4.87 | 71,660 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,777 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,653 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,235 |
| Megacities on a World Map | 0 | - | 4.98 | 253,326 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,971 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,203 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,677 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,198 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,065 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,717 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,091 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,071 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,413 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,153 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,430 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,072 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,400 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,816 |
| Europe Capital to Country | 0 | - | 4.99 | 249,552 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,573 |
| European Capitals by Map | 0 | - | 4.99 | 138,555 |
| African Capitals by Map | 0 | - | 4.99 | 133,360 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,871 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,228 |
| European Coastal Capitals | 0 | - | 4.95 | 90,375 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,143 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,544 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Countries of the Middle East | 0 | - | 4.96 | 200,734 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,775 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,892 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,655 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,275 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,527 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,971 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,808 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,085 |
| Random Asian City to Country | 0 | - | 4.56 | 44,457 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,827 |
| Boundary Waters | 0 | - | 4.92 | 88,371 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,074 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,897 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,151 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,322 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,263 |
| Most Populous Islands | 0 | - | 4.80 | 122,779 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,274 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,502 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,767 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,816 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,032 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,124 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,662 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,304 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,890 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,627 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,889 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,733 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,094 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,798 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,577 |
| Official Cities in the UK | 0 | - | 4.89 | 283,044 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,677 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,353 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,416 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,066 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,239 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,885 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,978 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,150 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,072 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,943 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,085 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,163 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,049 |
| Monarchies of Asia | 0 | - | 4.97 | 70,982 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,776 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,293 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,775 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,997 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,552 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,324,206 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,503 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,315 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,391 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,043 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,919 |
| Biggest City by Region | 0 | - | 4.50 | 36,119 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,050 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,787 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,391 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,873 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,495 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,149 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,323 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,161 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,956 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,358 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,929 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,016 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,492 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,538 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,898 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,880 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,059 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Landlocked Countries | 0 | - | 4.99 | 418,781 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,010 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 130,739 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,308 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,124 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,934 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,678 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,721 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,708 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,821 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,288 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,766 |
| Japan Country Quiz | 0 | - | 4.93 | 142,210 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,673 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,652 |
| Syria Country Quiz | 0 | - | 4.81 | 32,673 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,405 |
| States of India Map Quiz | 0 | - | 4.83 | 26,375 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,923 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,610 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,492 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,602 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,415 |
