| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,258 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,647 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,123 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,078 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,595 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,092 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,963 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,397 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,475 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,988 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,603 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,330 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,809 |
| US States Quiz | 0 | - | 5.00 | 16,828,834 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,000 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,034 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,212 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,545 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,445 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,020 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,195 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,539 |
| Random European Capital to Country | 0 | - | 4.98 | 190,610 |
| Random European Country to Capital | 0 | - | 4.93 | 164,507 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,188 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,582 |
| Random African Capital to Country | 0 | - | 4.97 | 100,476 |
| Random African Country to Capital | 0 | - | 4.94 | 71,076 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,284 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,992 |
| Random U.S. City to State | 0 | - | 4.45 | 76,053 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,609 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,893 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 144,399 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,095 |
| US States with an Empty Map | 0 | - | 5.00 | 623,185 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,701 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,366 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,868 |
| North American Sports Cities | 0 | - | 4.83 | 171,737 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,232 |
| Name a City - European Countries | 0 | - | 4.90 | 65,173 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,683 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,873 |
| Olympic Host Countries | 0 | - | 4.98 | 200,315 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,845 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,219 |
| Rivers of the United States | 0 | - | 4.93 | 66,064 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,395 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,462 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,384 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,792 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,832 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,369 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,894 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,032 |
| Boroughs of New York City | 0 | - | 4.47 | 84,471 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,985 |
| Arms Exports - United States | 0 | - | 4.75 | 62,250 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,094 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,543 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,576 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,999 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,305 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,406 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,384 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,524 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,793 |
| ALL California Cities | 0 | - | 4.37 | 42,985 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,444 |
| Europe Capital to Country | 0 | - | 4.99 | 249,521 |
| Asia Capital to Country | 0 | - | 4.96 | 126,448 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,553 |
| European Capitals by Map | 0 | - | 4.99 | 138,510 |
| African Capitals by Map | 0 | - | 4.99 | 133,313 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,342 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,054 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,860 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,214 |
| European Coastal Capitals | 0 | - | 4.95 | 90,361 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,491 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,084 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,516 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,734 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,700 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,187 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,893 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,490 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,364 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,829 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,433 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,296 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,819 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,623 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,638 |
| Official Cities in the UK | 0 | - | 4.89 | 282,979 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,336 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,317 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,203 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,820 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,022 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,232 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,873 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,961 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,680 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,067 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,073 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,158 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,696 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,241 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,084 |
| Capitals of the Stans | 0 | - | 4.95 | 26,733 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,795 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,904 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,770 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,334 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,104 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,918 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,511 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,730 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,663 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,966 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,451 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,722 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,517 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,577 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,885 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,437 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,036 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,040 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,392 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,614 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,594 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,218 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,045 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,555 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,156 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,860 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,247 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,763 |
| Miami City Trivia | 0 | - | 4.60 | 11,220 |
| All About Atlanta | 0 | - | 4.60 | 11,242 |
| Dallas City Trivia | 0 | - | 4.46 | 6,818 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,307 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,152 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,322 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,501 |
| Cities that Beat New York | 0 | - | 4.51 | 28,524 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,621 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,322 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,479 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,272 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,771 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,295 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,388,765 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,485 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,305 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,752 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,006 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,605 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,730 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,466 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,108 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,650 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,922 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,736 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,955 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,640 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,898 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,463 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,008 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,064 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,613 |
| Which City in Europe? | 0 | - | 4.83 | 107,148 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,373 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,314,499 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,754 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,762 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,363 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,260 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,273 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,998 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,980 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 66,973 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,431 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,504 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,514 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,417 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,128 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,875 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,816 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,190 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,766 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,434 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,565 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,741 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,706 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,388 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,290 |
