| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,431 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,226 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,984 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,395 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,810 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,918 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,463 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,017 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,751 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,399 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,690 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,746 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,623 |
| US States Quiz | 0 | - | 5.00 | 16,963,297 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,867 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,830 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,061 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,292 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,874 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,760 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,202 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,960 |
| Random European Capital to Country | 0 | - | 4.98 | 191,862 |
| Random European Country to Capital | 0 | - | 4.93 | 165,683 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,888 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,281 |
| Random African Capital to Country | 0 | - | 4.97 | 101,165 |
| Random African Country to Capital | 0 | - | 4.94 | 71,633 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,580 |
| Random U.S. City to State | 0 | - | 4.45 | 76,766 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,022 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,135 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 147,192 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| US States with an Empty Map | 0 | - | 5.00 | 627,524 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,796 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,122 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,909 |
| North American Sports Cities | 0 | - | 4.83 | 172,962 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| Name a City - European Countries | 0 | - | 4.90 | 65,966 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,241 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,373 |
| Olympic Host Countries | 0 | - | 4.98 | 201,608 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,524 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,956 |
| Rivers of the United States | 0 | - | 4.93 | 66,544 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,197 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,692 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,313 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,663 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,144 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,989 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,186 |
| Boroughs of New York City | 0 | - | 4.47 | 84,866 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,100 |
| Arms Exports - United States | 0 | - | 4.77 | 62,641 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,614 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,883 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,809 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,357 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,225 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,666 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,266 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,091 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| ALL California Cities | 0 | - | 4.37 | 43,190 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| Europe Capital to Country | 0 | - | 4.99 | 251,638 |
| Asia Capital to Country | 0 | - | 4.96 | 127,224 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,683 |
| European Capitals by Map | 0 | - | 4.99 | 141,503 |
| African Capitals by Map | 0 | - | 4.99 | 141,562 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,994 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,649 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,667 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,004 |
| European Coastal Capitals | 0 | - | 4.95 | 91,117 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,089 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,881 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,363 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,065 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,835 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,377 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,060 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,662 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,607 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,960 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,360 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,050 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,295 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,059 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,813 |
| Official Cities in the UK | 0 | - | 4.89 | 285,533 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,875 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,472 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,425 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,106 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,575 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,025 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,429 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,876 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,269 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,476 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,802 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,594 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,768 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,625 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,332 |
| Capitals of the Stans | 0 | - | 4.95 | 27,067 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,688 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,120 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,965 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,493 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,360 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,735 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,570 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,920 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,498 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,636 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,341 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,691 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,468 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,733 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,305 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,613 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,657 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,660 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,283 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,092 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,602 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,282 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,927 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,295 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,016 |
| Miami City Trivia | 0 | - | 4.60 | 11,257 |
| All About Atlanta | 0 | - | 4.60 | 11,279 |
| Dallas City Trivia | 0 | - | 4.46 | 6,857 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,167 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,824 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,281 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,251 |
| Cities that Beat New York | 0 | - | 4.51 | 28,789 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,918 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,641 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,088 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,823 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,263 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,490 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,915 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,573 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,411 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,419 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,282 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,080 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,991 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,691 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,320 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,328 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,689 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,756 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,158 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,287 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,245 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,253 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,659 |
| Which City in Europe? | 0 | - | 4.83 | 107,771 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,543 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,756,284 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,979 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,264 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,870 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,709 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,475 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,078 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,525 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 67,319 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,135 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,797 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,341 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,690 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,306 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,120 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,973 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,325 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,882 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,528 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,674 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,899 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,050 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,125 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,347 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,106 |
