| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,002 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,994 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,924 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,624 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,088 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,988 |
| Asia Capital to Country | 0 | - | 4.96 | 125,762 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,129 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,188 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,946 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,969 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,860 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,184 |
| Capitals of the Stans | 0 | - | 4.95 | 26,408 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,212 |
| Countries with Megacities | 0 | - | 4.99 | 246,901 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,114 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,964 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,525 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,853 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,065 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,633 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,402 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,515 |
| Asia Map Quiz | 0 | - | 4.99 | 907,055 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,118 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,841 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,936 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,888 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,486 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,607 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,268 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,651 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,686 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,934 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,863 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,046 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,490 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,525 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,583 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,057 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,166 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,752 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,687 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,534 |
| Name a City - European Countries | 0 | - | 4.92 | 64,396 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,475 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,627 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,682 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,799 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,272 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,937 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,655 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,088 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,406 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,450 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,802 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,635 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,604 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,233 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,145 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,339 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,936 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,403 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,593 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,301 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,477 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,856 |
| Largest City by Island | 0 | - | 4.87 | 71,048 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,393 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,553 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,551 |
| Megacities on a World Map | 0 | - | 4.98 | 250,972 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,274 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,798 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,868 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,768 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,154 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,477 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,296 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,274 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,613 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,812 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,219 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,360 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,822 |
| Europe Capital to Country | 0 | - | 4.99 | 247,898 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,460 |
| European Capitals by Map | 0 | - | 4.99 | 136,285 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,193 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,616 |
| European Coastal Capitals | 0 | - | 4.95 | 89,761 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,812 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,811 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| Countries of the Middle East | 0 | - | 4.96 | 198,930 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,120 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,103 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,494 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,766 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,420 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,250 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,345 |
| Random Asian City to Country | 0 | - | 4.56 | 44,392 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,602 |
| Boundary Waters | 0 | - | 4.92 | 88,043 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,816 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,287 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,301 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,839 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,735 |
| Most Populous Islands | 0 | - | 4.79 | 121,993 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,202 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,406 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,610 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,725 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,405 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,849 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,144 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,937 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,044 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,336 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,567 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,052 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,509 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,298 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,597 |
| Official Cities in the UK | 0 | - | 4.89 | 280,546 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,587 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,798 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,272 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,881 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,410 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,125 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,032 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,707 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,817 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| Monarchies of Asia | 0 | - | 4.97 | 70,607 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,784 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,048 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,412 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,241 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,919,955 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,455 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,953 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,916 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,703 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,901 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,538 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,118 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,477 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,592 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,018 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,921 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,795 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,257 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,202 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,944 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,392 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,762 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,386 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,401 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,840 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,668 |
| Landlocked Countries | 0 | - | 4.99 | 413,627 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,272 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,253 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,800 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,778 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,458 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,021 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,462 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,216 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,493 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,981 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,053 |
| Japan Country Quiz | 0 | - | 4.92 | 141,253 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,331 |
| Syria Country Quiz | 0 | - | 4.81 | 32,314 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,781 |
| States of India Map Quiz | 0 | - | 4.82 | 26,039 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,046 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,904 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,999 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,133 |
