| US States and State Capitals | 0 | - | 4.99 | 160,120 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,528 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,977 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,220 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,579 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,625 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,752 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 47,907 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,980 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,786 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,409 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,382 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,302 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,814 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,048 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,984 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,724 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,963 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,105 |
| Which City in California? | 0 | - | 4.56 | 31,962 |
| U.S. Senators by State | 0 | - | 4.45 | 39,842 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,741 |
| North American Sports Cities | 0 | - | 4.83 | 171,352 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,029 |
| Name a City - European Countries | 0 | - | 4.91 | 64,801 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,403 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,806 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,589 |
| New York City A-Z | 0 | - | 4.18 | 32,236 |
| Olympic Host Countries | 0 | - | 4.98 | 199,450 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,774 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,127 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 142,682 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,919 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,473 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,456 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,199 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,183 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,051 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,972 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,512 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,049 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,847 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,406 |
| Europe Capital to Country | 0 | - | 4.99 | 248,823 |
| Asia Capital to Country | 0 | - | 4.96 | 126,137 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,078 |
| European Capitals by Map | 0 | - | 4.99 | 137,628 |
| African Capitals by Map | 0 | - | 4.99 | 132,784 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,052 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,692 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,565 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,941 |
| European Coastal Capitals | 0 | - | 4.95 | 90,082 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,344 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,152 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,702 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,575 |
| Which City in New York State? | 0 | - | 4.60 | 15,907 |
| Which City in Texas? | 0 | - | 4.45 | 25,028 |
| Which City in Florida? | 0 | - | 4.61 | 10,953 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,602 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,170 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,962 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,257 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,680 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,571 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,422 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,324 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,009 |
| Official Cities in the UK | 0 | - | 4.89 | 282,009 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,136 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,604 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,096 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,065 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,745 |
| Random U.S. City to State | 0 | - | 4.45 | 75,636 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 146,037 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,935 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,073 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,100 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,428 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,709 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,120 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,952 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,679 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,549 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,478 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,909 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,800 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,596 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,530 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,895 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,971 |
| Vietnam War Countries | 0 | - | 4.83 | 93,873 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,948 |
| US States Quiz | 0 | - | 5.00 | 16,774,137 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,413 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,090 |
| Capitals of the Stans | 0 | - | 4.95 | 26,593 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,986 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,274 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,695 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,005 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,222 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,041 |
| Biggest Cities in California | 0 | - | 4.35 | 139,498 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,930 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,503 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,276 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,170 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,654 |
| Biggest Cities in Texas | 0 | - | 4.28 | 119,077 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,117 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,636 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,500 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,868 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,900 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,340 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,280 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,484 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,791 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,191 |
| Random European Capital to Country | 0 | - | 4.98 | 189,735 |
| Random European Country to Capital | 0 | - | 4.92 | 147,825 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,640 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,761 |
| Random African Capital to Country | 0 | - | 4.97 | 100,004 |
| Random African Country to Capital | 0 | - | 4.94 | 70,522 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,696 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,965 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,591 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,976 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,593 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,258 |
| Which City in Europe? | 0 | - | 4.83 | 106,979 |
| Boroughs of New York City | 0 | - | 4.47 | 84,313 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,921 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,488 |
| Merged U.S. States | 0 | - | 4.37 | 43,982 |
| Draw All US State Borders | 0 | - | 4.99 | 135,179 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 65,563 |
| US States with an Empty Map | 0 | - | 5.00 | 621,229 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,318 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,949 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,892 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,896 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,279 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,321 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,558 |
| U.S. States By Population | 0 | - | 4.92 | 152,760 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,866 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,157 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,057 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,478 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,926 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,971 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,240 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,317 |
| California A-Z | 0 | - | 4.49 | 28,741 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,767 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,672,813 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,264 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,184 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,069 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,634 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,792 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,519 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,848 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,945 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,482 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,119 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,342 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,823 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,927 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,653 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,585 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,739 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,309 |
| ALL California Cities | 0 | - | 4.37 | 42,929 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,308 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,253 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,102 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,719 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,404 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,378 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,424 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,148 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,070 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,085 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,645 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,149 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,116 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,846 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,426 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,902 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,458 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,366 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,304 |
