| South America Capitals Quiz | 0 | - | 5.00 | 485,063 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,281 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,039 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,041 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,692 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,036 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,670 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,193 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,716 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,338 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,575 |
| North America Cities by Map | 0 | - | 4.41 | 47,947 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,705 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,419 |
| South American Cities on the Map | 0 | - | 4.52 | 35,559 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,848 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,224 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,318 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| North American Sports Cities | 0 | - | 4.82 | 173,179 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,563 |
| Olympic Host Countries | 0 | - | 4.98 | 202,000 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,094 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,945 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,692 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,643 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,019 |
| Name a City - European Countries | 0 | - | 4.89 | 66,205 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,023 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,046 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,188 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,531 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,218 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,806 |
| Flags of North and South America | 0 | - | 4.99 | 377,172 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,688 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,883 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,832 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,840 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,444 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,340 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,606 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,169 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,883 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,799 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,357 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,707 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,180 |
| Europe Capital to Country | 0 | - | 4.99 | 252,157 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,020 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,180 |
| European Capitals by Map | 0 | - | 4.99 | 142,162 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,902 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,211 |
| European Coastal Capitals | 0 | - | 4.95 | 91,336 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,839 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,106 |
| Asia Capital to Country | 0 | - | 4.96 | 127,484 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,944 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,197 |
| African Capitals by Map | 0 | - | 4.99 | 142,261 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,511 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,716 |
| The Only American Country ... | 0 | - | 4.92 | 122,227 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,687 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,072 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,839 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,111 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,899 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,838 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,499 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,961 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,025 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,276 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,498 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,805 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,255 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,264 |
| Capitals of the Stans | 0 | - | 4.95 | 27,154 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,600 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,149 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,562 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,730 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,596 |
| Official Cities in the UK | 0 | - | 4.89 | 286,344 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,151 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,914 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,883 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,973 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,409 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,258 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,869 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,114 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,788 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,277 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,982 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,374 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,532 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,993 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,654 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,079 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,821 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,430 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,865 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,361 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,614 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,262 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,857 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,824 |
| States of Mexico | 0 | - | 4.96 | 178,328 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,675 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,448 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,505 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,884 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,625 |
| States of Brazil | 0 | - | 4.97 | 89,747 |
| Central American Countries | 0 | - | 4.98 | 157,370 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,615 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,672 |
| American TV Show Settings | 0 | - | 4.37 | 30,702 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,501 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,433 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,579 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,556 |
| Pixelated United States Map | 0 | - | 4.88 | 94,829 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,588 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,575 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,462 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,107 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,739 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,093 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,298 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,329 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,378 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,401 |
| U.S. States By Population | 0 | - | 4.92 | 154,169 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,248 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,910 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,097 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,703 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,878 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,545 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,113 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,065 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,243 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,696 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,831 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,661 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,000 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,620 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,508 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,826 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,651 |
| Random European Capital to Country | 0 | - | 4.98 | 192,170 |
| Random European Country to Capital | 0 | - | 4.93 | 165,945 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,576 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,096 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,957 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,310 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,998 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,456 |
| Random African Capital to Country | 0 | - | 4.97 | 101,369 |
| Random African Country to Capital | 0 | - | 4.95 | 71,765 |
| 1970s Celebrities | 0 | - | 4.03 | 13,790 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,238 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,954 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,507 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,752 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,336 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 253,928 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,878 |
| City by Football Clubs | 0 | - | 4.38 | 138,420 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,577 |
| American Cities by Stadium | 0 | - | 4.02 | 36,593 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,448 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,697 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,484 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,054 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,063 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,087 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,018 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,219 |
| Cities in European History #1 | 0 | - | 4.63 | 134,630 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,458 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,893 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,504 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,425 |
| Which City in Europe? | 0 | - | 4.83 | 107,907 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,102 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,956 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,386 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,170 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,274 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,770 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,678 |
| 1970s Movie Trivia | 0 | - | 4.28 | 21,836 |
| 1970s Decade Quiz | 0 | - | 4.22 | 60,915 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 89,080 |
| Movies by Year, 1950–1969 | 0 | - | 4.48 | 22,126 |
