| South America Capitals Quiz | 0 | - | 5.00 | 477,287 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,889 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,394 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,764 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,403 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,965 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,408 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,460 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,545 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,891 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,572 |
| North America Cities by Map | 0 | - | 4.41 | 47,616 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,603 |
| South American Cities on the Map | 0 | - | 4.57 | 35,244 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,714 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,599 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,807 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,722 |
| North American Sports Cities | 0 | - | 4.83 | 170,912 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,920 |
| Olympic Host Countries | 0 | - | 4.98 | 198,902 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,570 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,313 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,549 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,981 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,462 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,684 |
| Name a City - European Countries | 0 | - | 4.92 | 64,400 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,936 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,799 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,142 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,023 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,365 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,820 |
| Flags of North and South America | 0 | - | 4.99 | 367,281 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,240 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,277 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,720 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,837 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,291 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,794 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,520 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,658 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,946 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,985 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| Europe Capital to Country | 0 | - | 4.99 | 247,915 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,464 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,090 |
| European Capitals by Map | 0 | - | 4.99 | 136,292 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,196 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,620 |
| European Coastal Capitals | 0 | - | 4.95 | 89,762 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,813 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,823 |
| Asia Capital to Country | 0 | - | 4.96 | 125,763 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,140 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,190 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,828 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,864 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,802 |
| The Only American Country ... | 0 | - | 4.92 | 120,764 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,346 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,814 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,972 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,996 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,340 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,403 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,876 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,081 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,500 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,277 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,801 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,124 |
| Capitals of the Stans | 0 | - | 4.95 | 26,410 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,411 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,133 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,972 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,766 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,708 |
| Official Cities in the UK | 0 | - | 4.89 | 280,554 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,005 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,185 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,627 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,412 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,286 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,047 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,652 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,431 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,567 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,815 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,973 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,240 |
| Random African Capital to Country | 0 | - | 4.97 | 99,741 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,796 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,074 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,101 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,092 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,911 |
| States of Mexico | 0 | - | 4.95 | 173,356 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,802 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,456 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,157 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,971 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,386 |
| States of Brazil | 0 | - | 4.98 | 86,391 |
| Central American Countries | 0 | - | 4.98 | 155,060 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,913 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,000 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,664 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,175 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,941 |
| Pixelated United States Map | 0 | - | 4.89 | 93,488 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,471 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,477 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,859 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,528 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,626 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,741 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,369 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,425 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,681 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,919 |
| U.S. States By Population | 0 | - | 4.92 | 152,379 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,410 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,869 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,908 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,280 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,559 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,889 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,887 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,086 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,497 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,072 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,662 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,838 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,362 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,850 |
| Random European Capital to Country | 0 | - | 4.98 | 189,219 |
| Random European Country to Capital | 0 | - | 4.92 | 147,458 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,669 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,075 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,205 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,950 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,403 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,422 |
| 1970s Celebrities | 0 | - | 4.03 | 13,724 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 37,662 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,841 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,752 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,906 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,797 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 249,951 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,402 |
| City by Football Clubs | 0 | - | 4.37 | 137,024 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,919 |
| American Cities by Stadium | 0 | - | 4.02 | 36,488 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,273 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,093 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,585 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,106 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,939 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,729 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,365 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,854 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| Cities in European History #1 | 0 | - | 4.63 | 133,130 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,196 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,566 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,187 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,821 |
| Which City in Europe? | 0 | - | 4.83 | 106,625 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,847 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,636 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,804 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,020 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,133 |
| 1970s Movie Trivia | 0 | - | 4.28 | 21,440 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,443 |
| 1970s Decade Quiz | 0 | - | 4.20 | 52,348 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 88,278 |
| Movies by Year, 1950–1969 | 0 | - | 4.48 | 22,007 |
| FIFA World Cup Final Host Cities | 0 | - | 4.66 | 28,268 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,375 |
