| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,793 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,888 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,756 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,744 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,455 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,664 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,835 |
| Asia Capital to Country | 0 | - | 4.96 | 125,604 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,950 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,969 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,689 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,669 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| Capitals of the Stans | 0 | - | 4.95 | 26,362 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,850 |
| Countries with Megacities | 0 | - | 4.99 | 246,140 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,766 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,726 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,229 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,661 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,393 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,987 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,110 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,927 |
| Asia Map Quiz | 0 | - | 4.99 | 905,613 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,714 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,661 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,741 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,390 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,477 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,141 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,429 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,383 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,456 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,627 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,550 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,299 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,371 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,383 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,929 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,042 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,625 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,541 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,230 |
| Name a City - European Countries | 0 | - | 4.92 | 64,258 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,279 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,190 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,912 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,445 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,301 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,462 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,626 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,067 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,213 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,971 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,790 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,770 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,573 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,395 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,027 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,081 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,146 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,742 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,275 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,459 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,217 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,182 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,668 |
| Largest City by Island | 0 | - | 4.87 | 70,932 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,190 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,383 |
| Biggest European Cities by Century | 0 | - | 4.98 | 129,563 |
| Megacities on a World Map | 0 | - | 4.98 | 250,128 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,514 |
| 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 | 73,732 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,452 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,974 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,285 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,134 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,174 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,497 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,476 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,709 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,085 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,235 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,636 |
| Europe Capital to Country | 0 | - | 4.99 | 247,262 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,269 |
| European Capitals by Map | 0 | - | 4.99 | 135,899 |
| African Capitals by Map | 0 | - | 4.99 | 132,036 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,062 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,628 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,333 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,511 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Countries of the Middle East | 0 | - | 4.96 | 198,682 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,984 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,950 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,573 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,345 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,665 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,312 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,125 |
| 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 | 93,563 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,785 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,166 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,121 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,755 |
| Most Populous Islands | 0 | - | 4.78 | 121,901 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,188 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,387 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,584 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,698 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,245 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,796 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,045 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,848 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,682 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,067 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,501 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,556 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,314 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,206 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,456 |
| Official Cities in the UK | 0 | - | 4.89 | 280,102 |
| 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 | 476,742 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,462 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,525 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,999 |
| 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 | 15,794 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,693 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,234 |
| Monarchies of Asia | 0 | - | 4.97 | 70,531 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,375 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,520 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,902 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,273 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,178 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,847,212 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,366 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,865 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,826 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,879 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,641 |
| Biggest City by Region | 0 | - | 4.50 | 35,962 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,860 |
| 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 | 222,244 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,438 |
| 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 | 82,878 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,640 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,230 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,076 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,626 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,038 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,567 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,352 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,289 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,769 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,664 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| Landlocked Countries | 0 | - | 4.99 | 412,835 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,063 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,144 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,716 |
| 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 | 550,507 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,420 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,115 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,443 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,941 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,924 |
| Japan Country Quiz | 0 | - | 4.92 | 141,102 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,283 |
| Syria Country Quiz | 0 | - | 4.81 | 32,256 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,685 |
| States of India Map Quiz | 0 | - | 4.82 | 25,983 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,882 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,696 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,894 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,070 |
| Population Trivia | 0 | - | 4.32 | 27,409 |
