| Nordic Countries and Capitals | 0 | - | 4.95 | 83,632 |
| Random European Capital to Country | 0 | - | 4.98 | 190,810 |
| Random European Country to Capital | 0 | - | 4.93 | 165,031 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,626 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,779 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,762 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,239 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,780 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,196 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,384 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,716 |
| Random African Capital to Country | 0 | - | 4.97 | 100,668 |
| Random African Country to Capital | 0 | - | 4.94 | 71,177 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,343 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,194 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,253 |
| North American Sports Cities | 0 | - | 4.83 | 172,320 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,303 |
| Name a City - European Countries | 0 | - | 4.90 | 65,327 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,212 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,419 |
| Olympic Host Countries | 0 | - | 4.98 | 200,650 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,091 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,327 |
| Official Cities in the UK | 0 | - | 4.89 | 283,540 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,594 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,925 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,028 |
| Europe Capital to Country | 0 | - | 4.99 | 249,947 |
| Asia Capital to Country | 0 | - | 4.96 | 126,610 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,795 |
| European Capitals by Map | 0 | - | 4.99 | 139,012 |
| African Capitals by Map | 0 | - | 4.99 | 133,687 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,125 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,554 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,423 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,286 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,988 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,019 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,798 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,372 |
| European Coastal Capitals | 0 | - | 4.95 | 90,541 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,563 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,734 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,849 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,810 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,152 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,309 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,260 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,928 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,352 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,922 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,064 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,462 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,209 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,224 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,279 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,195 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,844 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,105 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,486 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,745 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,732 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,058 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,396 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,498 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,298 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,127 |
| Melbourne Suburbs | 0 | - | 4.85 | 53,057 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,573 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,824 |
| Every European Country Shape | 0 | - | 4.96 | 201,527 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,584 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,709 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,734 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,643 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,550 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,386 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,044 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,653 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,322 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,890 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,185 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,615 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,963 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,765 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,987 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,723 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,966 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,651 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,114 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,084 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,120 |
| Which City in Europe? | 0 | - | 4.83 | 107,360 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,362 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,272 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,075 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,307 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,263 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,954 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,122 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,871 |
| Top 10 Liverpool Goalscorers | 0 | - | 4.11 | 45,115 |
| Top 10 Manchester United Goalscorers | 0 | - | 4.38 | 54,271 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,110 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,804 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,131 |
| Cities in European History #1 | 0 | - | 4.63 | 133,938 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,336 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,737 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,880 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,117 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,424 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,772 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,502 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,973 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,016 |
| US States and State Capitals | 0 | - | 4.99 | 162,071 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,214 |
| Which City in Canada? | 0 | - | 4.83 | 57,054 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,419,266 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,803 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,547 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,888 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,051 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,492 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,370 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,728 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,158 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,327 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,269 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,130 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,732 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,388 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,066 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 318,246 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,107 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,150 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,487 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,873 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 33,679 |
| Boundary Waters | 0 | - | 4.92 | 88,445 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,133 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,564 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,773 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,035 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,374 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,431 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,880 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,839 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,083 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,890 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,621 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,975 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,458 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,843 |
| American Cities by Stadium | 0 | - | 4.02 | 36,539 |
| City by Football Clubs | 0 | - | 4.38 | 137,912 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,940 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,314 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,578 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,498 |
| South American Cities on the Map | 0 | - | 4.53 | 35,412 |
| North America Cities by Map | 0 | - | 4.41 | 47,797 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,701 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,548 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,303 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,912 |
| Random U.S. City to State | 0 | - | 4.45 | 76,266 |
| Random European City to Country | 0 | - | 4.69 | 117,618 |
| Random Asian City to Country | 0 | - | 4.56 | 44,486 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,423 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,313 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,811 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,071 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,707 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,337 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,170 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,901 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,333 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,148 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,979 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,623 |
| European Cities by Clue | 0 | - | 4.70 | 89,043 |
| Boroughs of London | 0 | - | 4.63 | 87,838 |
| London Geography | 0 | - | 4.47 | 59,661 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,897 |
| Landlocked Countries | 0 | - | 4.99 | 419,959 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,933 |
| Island Countries | 0 | - | 4.99 | 710,192 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,458 |
| Himalayan Countries | 0 | - | 4.95 | 137,885 |
| Andean Countries | 0 | - | 4.95 | 84,153 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,372 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,941 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,019 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,473 |
| Danube Countries | 0 | - | 4.97 | 71,766 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,703 |
