| US States and State Capitals | 0 | - | 4.99 | 158,990 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,655 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,237 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,594 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,930 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,375 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,581 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,910 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,335 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,138 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,180 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,632 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,920 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,252 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,748 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,354 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,692 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,929 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,079 |
| Which City in California? | 0 | - | 4.56 | 31,929 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,763 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,887 |
| U.S. Senators by State | 0 | - | 4.45 | 39,785 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,648 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,979 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,914 |
| North American Sports Cities | 0 | - | 4.83 | 171,046 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,957 |
| Name a City - European Countries | 0 | - | 4.91 | 64,596 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,473 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,028 |
| Which City in New York State? | 0 | - | 4.60 | 15,888 |
| Which City in Texas? | 0 | - | 4.45 | 24,993 |
| Which City in Florida? | 0 | - | 4.61 | 10,940 |
| New York City A-Z | 0 | - | 4.18 | 32,209 |
| Olympic Host Countries | 0 | - | 4.98 | 199,066 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,376 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,914 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,232 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,430 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,220 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,199 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,034 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,101 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,886 |
| Official Cities in the UK | 0 | - | 4.89 | 281,047 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,048 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,483 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,501 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,840 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,373 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,068 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,648 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,857 |
| Europe Capital to Country | 0 | - | 4.99 | 248,254 |
| Asia Capital to Country | 0 | - | 4.96 | 125,883 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,707 |
| European Capitals by Map | 0 | - | 4.99 | 136,844 |
| African Capitals by Map | 0 | - | 4.99 | 132,372 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,867 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,362 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,772 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,397 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,533 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,299 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,364 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,282 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,756 |
| European Coastal Capitals | 0 | - | 4.95 | 89,905 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,245 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,395 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,158 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,475 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,783 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,622 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 54,360 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,856 |
| Vietnam War Countries | 0 | - | 4.83 | 93,707 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,872 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,221 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,925 |
| US States Quiz | 0 | - | 5.00 | 16,726,871 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 47,829 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,752 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,386 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,835 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,435 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,825 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,949 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,693 |
| Biggest Cities in California | 0 | - | 4.35 | 139,302 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,831 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,435 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,224 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,124 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,600 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,694 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,067 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,371 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 137,900 |
| Random U.S. City to State | 0 | - | 4.45 | 75,448 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,363 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,906 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,045 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,285 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,526 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,605 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,250 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,167 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,177 |
| Random European Capital to Country | 0 | - | 4.98 | 189,411 |
| Random European Country to Capital | 0 | - | 4.92 | 147,608 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,480 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,552 |
| Random African Capital to Country | 0 | - | 4.97 | 99,804 |
| Random African Country to Capital | 0 | - | 4.94 | 70,313 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,754 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,566 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,934 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,671 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,547 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,946 |
| Boroughs of New York City | 0 | - | 4.47 | 84,187 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,832 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,477 |
| US States with an Empty Map | 0 | - | 5.00 | 619,644 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,891 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,507 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,558 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,849 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,101 |
| U.S. States By Population | 0 | - | 4.92 | 152,501 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,545 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,960 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,519 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,683 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,815 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,983 |
| Capitals of the Stans | 0 | - | 4.95 | 26,493 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,564 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,660,996 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,226 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,742 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,580 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,202 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,470 |
| ALL California Cities | 0 | - | 4.37 | 42,861 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,021 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,394 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,979 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,834 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,347 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,693 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,981 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,602 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,056 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,947 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,807 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,374 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,875 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,402 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,345 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,180 |
| Which City in Europe? | 0 | - | 4.83 | 106,842 |
| Merged U.S. States | 0 | - | 4.36 | 43,911 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,708 |
| Draw All US State Borders | 0 | - | 4.99 | 134,143 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,602 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,918 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,726 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,006 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,123 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,287 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,219 |
| California A-Z | 0 | - | 4.49 | 28,725 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,137 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,027 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,598 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,735 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,448 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,781 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,910 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,421 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,072 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,312 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,781 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,855 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,376 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,509 |
| American TV Show Settings | 0 | - | 4.35 | 30,597 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,691 |
| Cities in European History #1 | 0 | - | 4.63 | 133,303 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,411 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,223 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,591 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,820 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,033 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,943 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,277 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,557 |
