| South America Capitals Quiz | 0 | - | 5.00 | 477,264 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,872 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,383 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,755 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,399 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,954 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,402 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,443 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,542 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,888 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,566 |
| North America Cities by Map | 0 | - | 4.41 | 47,616 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,600 |
| South American Cities on the Map | 0 | - | 4.57 | 35,243 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,709 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,597 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,805 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,721 |
| North American Sports Cities | 0 | - | 4.83 | 170,907 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,917 |
| Olympic Host Countries | 0 | - | 4.98 | 198,897 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,549 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,253 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,547 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,881 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,460 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,680 |
| Name a City - European Countries | 0 | - | 4.92 | 64,392 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,914 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,797 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,132 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,018 |
| African Capitals by Map | 0 | - | 4.99 | 132,185 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,357 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,807 |
| Flags of North and South America | 0 | - | 4.99 | 367,242 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,228 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,232 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,662 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,834 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 44,162 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,793 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,518 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,913 |
| 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 | 337,920 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,966 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,423 |
| Europe Capital to Country | 0 | - | 4.99 | 247,883 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,456 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,082 |
| European Capitals by Map | 0 | - | 4.99 | 136,279 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,192 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,615 |
| European Coastal Capitals | 0 | - | 4.95 | 89,758 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,803 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,819 |
| Asia Capital to Country | 0 | - | 4.96 | 125,762 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,188 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,826 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,669 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,854 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,797 |
| The Only American Country ... | 0 | - | 4.92 | 120,762 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,794 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,969 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,990 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,961 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,328 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,403 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,872 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,076 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,493 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,274 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,799 |
| 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 | 26,408 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,409 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,124 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,959 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,705 |
| Official Cities in the UK | 0 | - | 4.89 | 280,544 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,991 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,454 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,181 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,623 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,408 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,283 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,046 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,651 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,429 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,567 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,811 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,970 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,232 |
| Random African Capital to Country | 0 | - | 4.97 | 99,739 |
| Random African Country to Capital | 0 | - | 4.94 | 70,233 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,775 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,074 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,909 |
| States of Mexico | 0 | - | 4.95 | 173,348 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,795 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,448 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,156 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,965 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,385 |
| States of Brazil | 0 | - | 4.98 | 86,389 |
| Central American Countries | 0 | - | 4.98 | 155,054 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,897 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,973 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,158 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,921 |
| Pixelated United States Map | 0 | - | 4.89 | 93,482 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,471 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,468 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,856 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,526 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,624 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,736 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,364 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,421 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,672 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,909 |
| U.S. States By Population | 0 | - | 4.92 | 152,371 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,405 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,867 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,907 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,275 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,554 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,765 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,884 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,882 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,082 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,490 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,069 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,661 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,833 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,360 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,197 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,838 |
| Random European Capital to Country | 0 | - | 4.98 | 189,211 |
| Random European Country to Capital | 0 | - | 4.92 | 147,450 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,666 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,069 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,202 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,942 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,401 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,415 |
| 1970s Celebrities | 0 | - | 4.03 | 13,724 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 37,659 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,839 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,749 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,905 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,790 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 249,941 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,395 |
| City by Football Clubs | 0 | - | 4.37 | 137,022 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,917 |
| American Cities by Stadium | 0 | - | 4.02 | 36,488 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,269 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,084 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,582 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,095 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,936 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,658 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,361 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,853 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| Cities in European History #1 | 0 | - | 4.63 | 133,128 |
| 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 | 53,185 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,819 |
| Which City in Europe? | 0 | - | 4.83 | 106,621 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,842 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,634 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,801 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,019 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,132 |
| 1970s Movie Trivia | 0 | - | 4.28 | 21,440 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,442 |
| 1970s Decade Quiz | 0 | - | 4.20 | 52,347 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 88,276 |
| Movies by Year, 1950–1969 | 0 | - | 4.48 | 22,007 |
| FIFA World Cup Final Host Cities | 0 | - | 4.66 | 28,265 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,375 |
