| South America Capitals Quiz | 0 | - | 5.00 | 481,509 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,848 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,856 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,808 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,108 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,049 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,640 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,642 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,175 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,141 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,360 |
| North America Cities by Map | 0 | - | 4.41 | 47,811 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,591 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,890 |
| South American Cities on the Map | 0 | - | 4.53 | 35,428 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,630 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,938 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,090 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,345 |
| North American Sports Cities | 0 | - | 4.83 | 172,400 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,321 |
| Olympic Host Countries | 0 | - | 4.98 | 200,767 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,531 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,813 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,769 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,766 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,560 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,369 |
| Name a City - European Countries | 0 | - | 4.90 | 65,395 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,039 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,149 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,073 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,062 |
| African Capitals by Map | 0 | - | 4.99 | 133,810 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,701 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,050 |
| Flags of North and South America | 0 | - | 4.99 | 373,167 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,795 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,972 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,441 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,462 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,430 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,399 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,139 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,005 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,043 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,775 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,693 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,651 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,525 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,834 |
| Europe Capital to Country | 0 | - | 4.99 | 250,350 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,897 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,845 |
| European Capitals by Map | 0 | - | 4.99 | 139,205 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,090 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,433 |
| European Coastal Capitals | 0 | - | 4.95 | 90,613 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,084 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,119 |
| Asia Capital to Country | 0 | - | 4.96 | 126,677 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,418 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,590 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,386 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,493 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,352 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,510 |
| The Only American Country ... | 0 | - | 4.92 | 121,626 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,131 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,383 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,006 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,185 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,486 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,483 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,452 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,480 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,082 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,949 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,381 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,417 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,151 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,201 |
| Capitals of the Stans | 0 | - | 4.95 | 26,847 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,051 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,283 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,918 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,299 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,188 |
| Official Cities in the UK | 0 | - | 4.89 | 283,794 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,872 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,843 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,441 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,382 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,850 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,632 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,974 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,712 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,941 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,350 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,541 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,183 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,828 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,407 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,371 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 67,096 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,220 |
| Random African Capital to Country | 0 | - | 4.97 | 100,744 |
| Random African Country to Capital | 0 | - | 4.94 | 71,218 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,207 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,413 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,026 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,196 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,472 |
| States of Mexico | 0 | - | 4.96 | 176,150 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,750 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,497 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,932 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,934 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,083 |
| States of Brazil | 0 | - | 4.97 | 88,134 |
| Central American Countries | 0 | - | 4.98 | 156,491 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,466 |
| American TV Show Settings | 0 | - | 4.35 | 30,650 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,957 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,665 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,525 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,101 |
| Pixelated United States Map | 0 | - | 4.87 | 94,283 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,528 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,699 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,780 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,883 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,239 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,883 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,442 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,450 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,023 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,312 |
| U.S. States By Population | 0 | - | 4.92 | 153,556 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,466 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,446 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,527 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,087 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,316 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,216 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,633 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,977 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,723 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,199 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,511 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,235 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,524 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,394 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,364 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,524 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,405 |
| Random European Capital to Country | 0 | - | 4.98 | 190,937 |
| Random European Country to Capital | 0 | - | 4.93 | 165,137 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,165 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,673 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,163 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,735 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,462 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,763 |
| 1970s Celebrities | 0 | - | 4.03 | 13,754 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 37,975 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,544 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,187 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,450 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,209 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,371 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,841 |
| City by Football Clubs | 0 | - | 4.38 | 137,963 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,799 |
| American Cities by Stadium | 0 | - | 4.02 | 36,544 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,834 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,826 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,481 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,774 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,480 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,931 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,586 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,654 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,127 |
| Cities in European History #1 | 0 | - | 4.63 | 134,021 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,348 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,753 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,838 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,720 |
| Which City in Europe? | 0 | - | 4.83 | 107,407 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,555 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,886 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,001 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,002 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,444 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,443 |
| 1970s Movie Trivia | 0 | - | 4.28 | 21,692 |
| 1970s Decade Quiz | 0 | - | 4.20 | 53,090 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 88,627 |
| Movies by Year, 1950–1969 | 0 | - | 4.48 | 22,061 |
