| US States and State Capitals | 0 | - | 4.99 | 159,811 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,868 |
| U.S. Senators by State | 0 | - | 4.45 | 39,827 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,553 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,231 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,681,802 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,877 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,157 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,860 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,585 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,356 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,351 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,289 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,779 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,992 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,972 |
| Which City in California? | 0 | - | 4.56 | 31,951 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,719 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,828 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,422 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,535 |
| New York City A-Z | 0 | - | 4.18 | 32,230 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,059 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 142,531 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,470 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,708 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,012 |
| North American Sports Cities | 0 | - | 4.83 | 171,289 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,013 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,502 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,967 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,748 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,322 |
| Name a City - European Countries | 0 | - | 4.91 | 64,752 |
| Europe Capital to Country | 0 | - | 4.99 | 248,661 |
| Asia Capital to Country | 0 | - | 4.96 | 126,076 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,970 |
| European Capitals by Map | 0 | - | 4.99 | 137,431 |
| African Capitals by Map | 0 | - | 4.99 | 132,707 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,643 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,528 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,900 |
| European Coastal Capitals | 0 | - | 4.95 | 90,036 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,311 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,929 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,581 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,541 |
| Which City in New York State? | 0 | - | 4.60 | 15,903 |
| Which City in Texas? | 0 | - | 4.45 | 25,021 |
| Which City in Florida? | 0 | - | 4.61 | 10,952 |
| Olympic Host Countries | 0 | - | 4.98 | 199,379 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,447 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,518 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,113 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,724 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,512 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,884 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,589 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,492 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,359 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,278 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,979 |
| Official Cities in the UK | 0 | - | 4.89 | 281,649 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,113 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,536 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,057 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,035 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,717 |
| Random U.S. City to State | 0 | - | 4.45 | 75,584 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,863 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,917 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,088 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,389 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,672 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,759 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,942 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,911 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,647 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,500 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,435 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,880 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,752 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,486 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,498 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,863 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,948 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,716 |
| Vietnam War Countries | 0 | - | 4.83 | 93,845 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,937 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,719 |
| US States Quiz | 0 | - | 5.00 | 16,762,729 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,404 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,967 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,945 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,268 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,629 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,959 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,152 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,963 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,617 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,495 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,273 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,035 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,114 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,815 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,879 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,319 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,251 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,417 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,765 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,148 |
| Random European Capital to Country | 0 | - | 4.98 | 189,666 |
| Random European Country to Capital | 0 | - | 4.92 | 147,771 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,603 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,709 |
| Random African Capital to Country | 0 | - | 4.97 | 99,949 |
| Random African Country to Capital | 0 | - | 4.94 | 70,435 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,676 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,954 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,701 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,583 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,966 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,177 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,359 |
| Which City in Europe? | 0 | - | 4.83 | 106,956 |
| Boroughs of New York City | 0 | - | 4.47 | 84,284 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,906 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,486 |
| Chicago A-Z | 0 | - | 4.25 | 15,479 |
| Draw All US State Borders | 0 | - | 4.99 | 134,866 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 65,440 |
| US States with an Empty Map | 0 | - | 5.00 | 620,887 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,233 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,647 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,825 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,817 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,199 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,234 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,470 |
| U.S. States By Population | 0 | - | 4.92 | 152,709 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,799 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,110 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,989 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,386 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,882 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,942 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,194 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.88 | 19,353 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,312 |
| California A-Z | 0 | - | 4.49 | 28,737 |
| Capitals of the Stans | 0 | - | 4.95 | 26,570 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,719 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,129 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,595 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,566 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,731 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,425 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,278 |
| ALL California Cities | 0 | - | 4.37 | 42,920 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,595 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,662 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,518 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,239 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,080 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,698 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,394 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,361 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,419 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,013 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,076 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,636 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,142 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,578 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,099 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,183 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,023 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,840 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,407 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,893 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,437 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,953 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,100 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,653 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,275 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,829 |
| Which City in Canada? | 0 | - | 4.82 | 56,827 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,666 |
| Miami City Trivia | 0 | - | 4.60 | 11,209 |
| All About Atlanta | 0 | - | 4.60 | 11,221 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,734 |
| Dallas City Trivia | 0 | - | 4.46 | 6,799 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,107,054 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,641 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,504 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,848 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,025 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,132 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,285 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,642 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 66,775 |
