| Nordic Countries and Capitals | 0 | - | 4.95 | 83,965 |
| Random European Capital to Country | 0 | - | 4.98 | 191,869 |
| Random European Country to Capital | 0 | - | 4.93 | 165,686 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,430 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,040 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,769 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,419 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,701 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,750 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,895 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,891 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,284 |
| Random African Capital to Country | 0 | - | 4.97 | 101,170 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,055 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,611 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,143 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,024 |
| North American Sports Cities | 0 | - | 4.83 | 172,965 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,503 |
| Name a City - European Countries | 0 | - | 4.90 | 65,979 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,316 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,461 |
| Olympic Host Countries | 0 | - | 4.98 | 201,619 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,574 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,949 |
| Official Cities in the UK | 0 | - | 4.89 | 285,582 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,277 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,105 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,830 |
| Europe Capital to Country | 0 | - | 4.99 | 251,659 |
| Asia Capital to Country | 0 | - | 4.96 | 127,230 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,702 |
| European Capitals by Map | 0 | - | 4.99 | 141,521 |
| African Capitals by Map | 0 | - | 4.99 | 141,596 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,057 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,597 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,661 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,435 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,016 |
| European Coastal Capitals | 0 | - | 4.95 | 91,125 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,918 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,377 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,075 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,480 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,806 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,604 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,366 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,629 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,640 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,969 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,549 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,375 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,194 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,614 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,675 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,519 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,746 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,540 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,657 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,348 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,479 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,737 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,325 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,460 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,019 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,176 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,851 |
| Every European Country Shape | 0 | - | 4.96 | 202,642 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,305 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,262 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,912 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,472 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,420 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,439 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,435 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,257 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,782 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 97,026 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,390 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,733 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,775 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,246 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,162 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,292 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,257 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,996 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Which City in Europe? | 0 | - | 4.83 | 107,778 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,996 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,926 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,473 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,785 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,351 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,811 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,922 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| Top 10 Liverpool Goalscorers | 0 | - | 4.11 | 45,417 |
| Top 10 Manchester United Goalscorers | 0 | - | 4.38 | 54,656 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,415 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,697 |
| Cities in European History #1 | 0 | - | 4.63 | 134,463 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,429 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,937 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,194 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,660 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,352 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,406 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,631 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,448 |
| US States and State Capitals | 0 | - | 4.99 | 164,679 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,653 |
| Which City in Canada? | 0 | - | 4.83 | 57,278 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,761,107 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,985 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,400 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,266 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,021 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,874 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,712 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,578 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,417 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,479 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,085 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,528 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,831 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,718 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,548 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,086 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,561 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 253,475 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,870 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,520 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 34,018 |
| Boundary Waters | 0 | - | 4.92 | 88,694 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,838 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,257 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,522 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,123 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,823 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,765 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,916 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,791 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,724 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,943 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,059 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,701 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,810 |
| American Cities by Stadium | 0 | - | 4.02 | 36,572 |
| City by Football Clubs | 0 | - | 4.38 | 138,289 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,018 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,524 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,667 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,639 |
| South American Cities on the Map | 0 | - | 4.52 | 35,526 |
| North America Cities by Map | 0 | - | 4.41 | 47,905 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,787 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,628 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,923 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,142 |
| Random U.S. City to State | 0 | - | 4.45 | 76,770 |
| Random European City to Country | 0 | - | 4.69 | 118,273 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,565 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,788 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,044 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,254 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,029 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,208 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,248 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,002 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,452 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,439 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,162 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,924 |
| European Cities by Clue | 0 | - | 4.70 | 89,143 |
| Boroughs of London | 0 | - | 4.63 | 88,405 |
| London Geography | 0 | - | 4.47 | 59,818 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,223 |
| Landlocked Countries | 0 | - | 4.99 | 424,203 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,761 |
| Island Countries | 0 | - | 4.99 | 711,947 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,508 |
| Himalayan Countries | 0 | - | 4.94 | 139,663 |
| Andean Countries | 0 | - | 4.94 | 85,130 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,315 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,557 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,886 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,170 |
| Danube Countries | 0 | - | 4.97 | 72,247 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,377 |
