| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,618 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,979 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,319 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,829 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,252 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,237 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,389 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,788 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,875 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,740 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,930 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,782 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,124 |
| US States Quiz | 0 | - | 5.00 | 16,686,446 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,183 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,393 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,640 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,685 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,376 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,474 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,353 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,976 |
| Random European Capital to Country | 0 | - | 4.98 | 189,105 |
| Random European Country to Capital | 0 | - | 4.92 | 147,367 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,305 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,345 |
| Random African Capital to Country | 0 | - | 4.97 | 99,690 |
| Random African Country to Capital | 0 | - | 4.94 | 70,166 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,686 |
| Random U.S. City to State | 0 | - | 4.45 | 75,244 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,144 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,448 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,285 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| US States with an Empty Map | 0 | - | 5.00 | 618,368 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,602 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,490 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,833 |
| North American Sports Cities | 0 | - | 4.83 | 170,802 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,898 |
| Name a City - European Countries | 0 | - | 4.92 | 64,302 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,695 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,158 |
| Olympic Host Countries | 0 | - | 4.98 | 198,801 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,028 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,498 |
| Rivers of the United States | 0 | - | 4.93 | 65,447 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,516 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,804 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,581 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,969 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,825 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,900 |
| Boroughs of New York City | 0 | - | 4.47 | 84,068 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,483 |
| Arms Exports - United States | 0 | - | 4.70 | 54,298 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 70,937 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,201 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,321 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,610 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,247 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,117 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,280 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,957 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,701 |
| ALL California Cities | 0 | - | 4.36 | 42,804 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,382 |
| Europe Capital to Country | 0 | - | 4.99 | 247,374 |
| Asia Capital to Country | 0 | - | 4.96 | 125,669 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,349 |
| European Capitals by Map | 0 | - | 4.99 | 136,063 |
| African Capitals by Map | 0 | - | 4.99 | 132,090 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,964 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,021 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,099 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,552 |
| European Coastal Capitals | 0 | - | 4.95 | 89,682 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,159 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,504 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,632 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,576 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,014 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,778 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,313 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,887 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,714 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,929 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,135 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,342 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,447 |
| Official Cities in the UK | 0 | - | 4.89 | 280,300 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,638 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,738 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,158 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,002 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,584 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,645 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,580 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,357 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,045 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,108 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,661 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,393 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,723 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,605 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,795 |
| Capitals of the Stans | 0 | - | 4.95 | 26,380 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,172 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,672 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,595 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,157 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,852 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,125 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,430 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,628 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,527 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,753 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,171 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,586 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,635 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,424 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,328 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,163 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,736 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,187 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,558 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,521 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,002 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,476 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,044 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,798 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,688 |
| Miami City Trivia | 0 | - | 4.60 | 11,184 |
| All About Atlanta | 0 | - | 4.60 | 11,205 |
| Dallas City Trivia | 0 | - | 4.46 | 6,771 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,581 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,232 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,351 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,772 |
| Cities that Beat New York | 0 | - | 4.51 | 28,246 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,284 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,945 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,306 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,262 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,513 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,062 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,186 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,296 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,164 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,304 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,144 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,731 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,100 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,445 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,212 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,910 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,757 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,132 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,769 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,786 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,221 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,587 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,765 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,460 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,840 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,563 |
| Which City in Europe? | 0 | - | 4.83 | 106,572 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,212 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,875,096 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,549 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,226 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,612 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,756 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,020 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,919 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,375 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 66,599 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,996 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,261 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,444 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,140 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,889 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,621 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,612 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,031 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,651 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,311 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,433 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,555 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,346 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,983 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,222 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,924 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,370 |
