| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,920 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,948 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,800 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,134 |
| Syria Country Quiz | 0 | - | 4.81 | 32,281 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,495 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,925 |
| Asia Capital to Country | 0 | - | 4.96 | 125,696 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,064 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,168 |
| Countries of the Middle East | 0 | - | 4.96 | 198,825 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,548 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,839 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,784 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,903 |
| Capitals of the Stans | 0 | - | 4.95 | 26,390 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,465 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,422 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,964 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,446 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,462 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,993 |
| Countries with Megacities | 0 | - | 4.99 | 246,515 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,795 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,365 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,937 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,316 |
| Asia Map Quiz | 0 | - | 4.99 | 906,621 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,241 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,203 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,449 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,856 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,307 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,396 |
| Oman Country Quiz | 0 | - | 4.86 | 26,664 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,280 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,077 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,774 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,823 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,823 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,441 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,540 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,342 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,274 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,206 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,594 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,584 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,763 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,797 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,896 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,435 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,479 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,469 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,521 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,018 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,128 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,703 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,633 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,470 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,076 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,677 |
| Name a City - European Countries | 0 | - | 4.92 | 64,336 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,910 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,788 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,602 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,414 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,799 |
| Arab Spring Countries | 0 | - | 4.51 | 43,809 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,751 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,521 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,590 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,145 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,142 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,648 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,080 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,112 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,260 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,853 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,356 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,535 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,254 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,351 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,794 |
| Largest City by Island | 0 | - | 4.87 | 71,005 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,354 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,490 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,196 |
| Megacities on a World Map | 0 | - | 4.98 | 250,816 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,009 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,765 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,824 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,626 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,100 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,397 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,236 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,217 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,562 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,528 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,764 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,160 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,310 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,745 |
| Random Asian City to Country | 0 | - | 4.56 | 44,386 |
| Europe Capital to Country | 0 | - | 4.99 | 247,438 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,390 |
| European Capitals by Map | 0 | - | 4.99 | 136,132 |
| African Capitals by Map | 0 | - | 4.99 | 132,106 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,137 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,572 |
| European Coastal Capitals | 0 | - | 4.95 | 89,709 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,625 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,675 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,405 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,068 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,038 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,660 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,436 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,721 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,370 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,198 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,692 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,320 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,337 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,112 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,959 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,233 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,541 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,861 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,458 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,268 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,550 |
| Official Cities in the UK | 0 | - | 4.89 | 280,394 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,066 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,746 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,614 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,372 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,071 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,679 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,411 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,740 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,309 |
| Monarchies of Asia | 0 | - | 4.97 | 70,577 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,417 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,689 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,985 |
| Provinces of Turkey | 0 | - | 4.95 | 200,829 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,362 |
| Most Populous Islands | 0 | - | 4.78 | 121,952 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,716 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,835 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,909 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,578 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,760 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,027 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,805 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,219 |
| Turkey Country Quiz | 0 | - | 4.42 | 74,955 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 34,960 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,640 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,928 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,516 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,092 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,389 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,524 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,736 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,152 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,826 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,268 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,688 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,370 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,361 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,780 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,776 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,645 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,172 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,197 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,768 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,756 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,178 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,478 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,012 |
| Japan Country Quiz | 0 | - | 4.92 | 141,185 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,309 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,743 |
| States of India Map Quiz | 0 | - | 4.82 | 26,009 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,990 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,818 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,237 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,230 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,812 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,703 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,425 |
