| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,283 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,378 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,592 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,968 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,623 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,023 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,563 |
| Asia Capital to Country | 0 | - | 4.96 | 126,891 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,671 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,685 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,404 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,704 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,050 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,564 |
| Capitals of the Stans | 0 | - | 4.95 | 26,930 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,812 |
| Random European Capital to Country | 0 | - | 4.98 | 191,502 |
| Random European Country to Capital | 0 | - | 4.93 | 165,427 |
| Random African Capital to Country | 0 | - | 4.97 | 100,929 |
| Random African Country to Capital | 0 | - | 4.94 | 71,396 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,051 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,091 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,000 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,742 |
| North American Sports Cities | 0 | - | 4.83 | 172,679 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,415 |
| Name a City - European Countries | 0 | - | 4.90 | 65,652 |
| Olympic Host Countries | 0 | - | 4.98 | 201,159 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,973 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,419 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,233 |
| Official Cities in the UK | 0 | - | 4.89 | 284,621 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,002 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,557 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,425 |
| Europe Capital to Country | 0 | - | 4.99 | 250,952 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,002 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,245 |
| European Capitals by Map | 0 | - | 4.99 | 140,049 |
| African Capitals by Map | 0 | - | 4.99 | 134,205 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,725 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,648 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,743 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,226 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,550 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,322 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,664 |
| European Coastal Capitals | 0 | - | 4.95 | 90,852 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,942 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,643 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,935 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,316 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,431 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,507 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 49,583 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,544 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,661 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,135 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,425 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,458 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,250 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,068 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,703 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,281 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,214 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,947 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,032 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,813 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,779 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,307 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,894 |
| Vietnam War Countries | 0 | - | 4.82 | 94,372 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,929 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,614 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,279 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,994 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,517 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,774 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,650 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,255 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,332 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,002 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,775 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,806 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,610 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,944 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,970 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,329 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,192 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,588 |
| Which City in Europe? | 0 | - | 4.83 | 107,593 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,192 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,808 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,529 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,128 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,010 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,718 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,433 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,581 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,967 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,016 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,855 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,749 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,258 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,673 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,812 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,459 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,942 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,258 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,441 |
| Which City in Canada? | 0 | - | 4.83 | 57,154 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,611,184 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,895 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,112 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,703 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,572 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,413 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,714 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,361 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 67,190 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,016 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,767 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,363 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,605 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,257 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,300 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,918 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,040 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,973 |
| Boundary Waters | 0 | - | 4.92 | 88,595 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,306 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,779 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,649 |
| American Cities by Stadium | 0 | - | 4.02 | 36,555 |
| City by Football Clubs | 0 | - | 4.38 | 138,136 |
| Cities in European History #1 | 0 | - | 4.63 | 134,236 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,628 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,387 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,803 |
| North America Cities by Map | 0 | - | 4.41 | 47,856 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,908 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,160 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,534 |
| Random European City to Country | 0 | - | 4.69 | 117,904 |
| Random Asian City to Country | 0 | - | 4.56 | 44,563 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,051 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,392 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,131 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,255 |
| US States and State Capitals | 0 | - | 4.99 | 163,622 |
| Landlocked Countries | 0 | - | 4.99 | 422,337 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,379 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,708 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,631 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,248 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,101 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,015 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,290 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,553 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,891 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 170,408 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,292 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,307 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,969 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,287 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,751 |
| All Country Flags of the World | 0 | - | 5.00 | 3,682,191 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,532 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,723 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,595 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,054 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,746 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,106 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,987 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,451 |
| Countries with Megacities | 0 | - | 4.99 | 264,775 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,518 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,880 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,465 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,082 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,847 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,303 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,591 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,977 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,435 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,830 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,585 |
| South American Cities on the Map | 0 | - | 4.53 | 35,474 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,614 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,584 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,747 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,861 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,856 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,803 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,030 |
| Random U.S. City to State | 0 | - | 4.45 | 76,561 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,500 |
