| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,489 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,116 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,991 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,508 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,115 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,113 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,710 |
| Asia Capital to Country | 0 | - | 4.96 | 127,707 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,138 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,281 |
| Countries of the Middle East | 0 | - | 4.96 | 203,307 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,195 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,970 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,354 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Capitals of the Stans | 0 | - | 4.95 | 27,239 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,795 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,952 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,793 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,150 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,762 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,363 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,052 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,558 |
| Countries with Megacities | 0 | - | 4.99 | 267,982 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,209 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,367 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,535 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,472 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,215 |
| Syria Country Quiz | 0 | - | 4.80 | 33,121 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,532 |
| Asia Map Quiz | 0 | - | 4.99 | 926,901 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,119 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,930 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,981 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,281 |
| Countries Closest to Turkey | 0 | - | 4.96 | 127,039 |
| Oman Country Quiz | 0 | - | 4.86 | 27,119 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,594 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,483 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,562 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,847 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,012 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,387 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,842 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,719 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,743 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,122 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,231 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,981 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,915 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,706 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,681 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,981 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,405 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,247 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,119 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,728 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,861 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,327 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,584 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,826 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,396 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,586 |
| Name a City - European Countries | 0 | - | 4.89 | 66,405 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,226 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,210 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,446 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,199 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,968 |
| Arab Spring Countries | 0 | - | 4.51 | 44,284 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,560 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,677 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,470 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,066 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,651 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,070 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,420 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,986 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,603 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,884 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,913 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,071 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,277 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,811 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,887 |
| Largest City by Island | 0 | - | 4.87 | 72,591 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,509 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,900 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,267 |
| Megacities on a World Map | 0 | - | 4.98 | 257,549 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,337 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,865 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,857 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,829 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,889 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,060 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,033 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,628 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,294 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,579 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,934 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,885 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,702 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,382 |
| Random Asian City to Country | 0 | - | 4.56 | 44,641 |
| Europe Capital to Country | 0 | - | 4.99 | 252,636 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,320 |
| European Capitals by Map | 0 | - | 4.99 | 142,608 |
| African Capitals by Map | 0 | - | 4.99 | 142,636 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,156 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,417 |
| European Coastal Capitals | 0 | - | 4.95 | 91,517 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,395 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,736 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,261 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,846 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,408 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,046 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,507 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,748 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,094 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,341 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,995 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,955 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,129 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,728 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,150 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,401 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,490 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,465 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,380 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,623 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,386 |
| Official Cities in the UK | 0 | - | 4.89 | 286,942 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,718 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,703 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,379 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,737 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,354 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,679 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,074 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,832 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,319 |
| Monarchies of Asia | 0 | - | 4.97 | 71,621 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,367 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,870 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,091 |
| Provinces of Turkey | 0 | - | 4.95 | 206,346 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,900 |
| Most Populous Islands | 0 | - | 4.80 | 123,462 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,407 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,684 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,026 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,968 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,552 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,909 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,816 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,284 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,300 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,262 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,113 |
| Turkey Country Quiz | 0 | - | 4.42 | 76,311 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 35,467 |
| Lebanon Country Quiz | 0 | - | 4.56 | 36,234 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,322 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,879 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,376 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,041 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,157 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,959 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,738 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,142 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,912 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,316 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,471 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,818 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,062 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,014 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,707 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,173 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,781 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,164 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,659 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,452 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,820 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,972 |
| Japan Country Quiz | 0 | - | 4.93 | 143,546 |
| Nepal Country Quiz | 0 | - | 4.95 | 38,028 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,874 |
| States of India Map Quiz | 0 | - | 4.85 | 26,974 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,052 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,718 |
| Boundary Waters | 0 | - | 4.92 | 88,852 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,594 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,081 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,101 |
