| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,877 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,932 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,785 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,177 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,306 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,347 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,834 |
| Asia Capital to Country | 0 | - | 4.96 | 125,669 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,036 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,159 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,792 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,741 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,112 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,395 |
| Capitals of the Stans | 0 | - | 4.95 | 26,381 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,977 |
| Random European Capital to Country | 0 | - | 4.98 | 189,108 |
| Random European Country to Capital | 0 | - | 4.92 | 147,369 |
| Random African Capital to Country | 0 | - | 4.97 | 99,690 |
| Random African Country to Capital | 0 | - | 4.94 | 70,166 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,786 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,587 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,710 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,453 |
| North American Sports Cities | 0 | - | 4.83 | 170,804 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,899 |
| Name a City - European Countries | 0 | - | 4.92 | 64,304 |
| Olympic Host Countries | 0 | - | 4.98 | 198,803 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,049 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,178 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,528 |
| Official Cities in the UK | 0 | - | 4.89 | 280,308 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,284 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,964 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,703 |
| Europe Capital to Country | 0 | - | 4.99 | 247,381 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,809 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,353 |
| European Capitals by Map | 0 | - | 4.99 | 136,066 |
| African Capitals by Map | 0 | - | 4.99 | 132,090 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,984 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,658 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,592 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,360 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,047 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,101 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,552 |
| European Coastal Capitals | 0 | - | 4.95 | 89,684 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,508 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,636 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,390 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,662 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,725 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,796 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,891 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,641 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,717 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,505 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,129 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,761 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,179 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,636 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,739 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,331 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,025 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,779 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,800 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,736 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,200 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,628 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,584 |
| Vietnam War Countries | 0 | - | 4.83 | 93,558 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,275 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,186 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,701 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,305 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,151 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,184 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,646 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,776 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,981 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,354 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,354 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,163 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,221 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,766 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,463 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,841 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,693 |
| Which City in Europe? | 0 | - | 4.83 | 106,573 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,772 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,225 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,364 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,159 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,555 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,324 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,621 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,672 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,355 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,776 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,446 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,965 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,024 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,698 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,134 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,253 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,124 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,294 |
| Which City in Canada? | 0 | - | 4.82 | 56,630 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,876,265 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,556 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,227 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,616 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,757 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,020 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,924 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,375 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,724 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,486 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,346 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,238 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,390 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,650 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,657 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,579 |
| Boundary Waters | 0 | - | 4.92 | 88,016 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,213 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,192 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,792 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,265 |
| American Cities by Stadium | 0 | - | 4.02 | 36,476 |
| City by Football Clubs | 0 | - | 4.37 | 136,991 |
| Cities in European History #1 | 0 | - | 4.63 | 133,028 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,452 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,182 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,550 |
| North America Cities by Map | 0 | - | 4.41 | 47,600 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,006 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,873 |
| Random European City to Country | 0 | - | 4.69 | 116,256 |
| Random Asian City to Country | 0 | - | 4.56 | 44,380 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,143 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,970 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 27,959 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,128 |
| US States and State Capitals | 0 | - | 4.99 | 158,235 |
| Landlocked Countries | 0 | - | 4.99 | 413,130 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,832 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,467 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,635 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,269 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,595 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,865 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,718 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,820 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 168,649 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,721 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,096 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 249,733 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,818 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,759 |
| All Country Flags of the World | 0 | - | 5.00 | 3,597,134 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,140 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,125 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,418 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,941 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,080 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,384 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,948 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,512 |
| Countries with Megacities | 0 | - | 4.99 | 246,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,864 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,773 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,713 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,878 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,320 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,725 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,324 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,702 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.24 | 20,178 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,807 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,686 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,528 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,314 |
| South American Cities on the Map | 0 | - | 4.57 | 35,237 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,658 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,451 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,575 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,774 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,634 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,624 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,563 |
| Random U.S. City to State | 0 | - | 4.45 | 75,244 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,162 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,596 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,167 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,777 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,367 |
