| US States and State Capitals | 0 | - | 4.99 | 158,569 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,691 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,575 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,397 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,768 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,234 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,481 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,775 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,974 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,099 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,550 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,893 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,213 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,382 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,200 |
| Which City in California? | 0 | - | 4.56 | 31,887 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,581 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,532 |
| U.S. Senators by State | 0 | - | 4.45 | 39,758 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,605 |
| North American Sports Cities | 0 | - | 4.83 | 170,919 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,921 |
| Name a City - European Countries | 0 | - | 4.92 | 64,418 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,381 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,001 |
| Which City in New York State? | 0 | - | 4.60 | 15,870 |
| Which City in Texas? | 0 | - | 4.45 | 24,973 |
| Which City in Florida? | 0 | - | 4.61 | 10,925 |
| New York City A-Z | 0 | - | 4.18 | 32,194 |
| Olympic Host Countries | 0 | - | 4.98 | 198,909 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,647 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,122 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,118 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,990 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,017 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,872 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,002 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Official Cities in the UK | 0 | - | 4.89 | 280,586 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,726 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,372 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,720 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,160 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,843 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,601 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,808 |
| Europe Capital to Country | 0 | - | 4.99 | 247,945 |
| Asia Capital to Country | 0 | - | 4.96 | 125,772 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,480 |
| European Capitals by Map | 0 | - | 4.99 | 136,310 |
| African Capitals by Map | 0 | - | 4.99 | 132,192 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,330 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,923 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,681 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,153 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,422 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,141 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,209 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,189 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,629 |
| European Coastal Capitals | 0 | - | 4.95 | 89,780 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,852 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,863 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,430 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,717 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,462 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,243 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,781 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,657 |
| Vietnam War Countries | 0 | - | 4.83 | 93,621 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,835 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,028 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,810 |
| US States Quiz | 0 | - | 5.00 | 16,703,320 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,609 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,375 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,795 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,295 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,743 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,800 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,513 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,219 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,687 |
| Random U.S. City to State | 0 | - | 4.45 | 75,331 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,976 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,809 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,017 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,209 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,409 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,465 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,085 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,877 |
| Random European Capital to Country | 0 | - | 4.98 | 189,236 |
| Random European Country to Capital | 0 | - | 4.92 | 147,474 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,416 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,429 |
| Random African Capital to Country | 0 | - | 4.97 | 99,743 |
| Random African Country to Capital | 0 | - | 4.94 | 70,239 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,674 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,521 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,659 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,803 |
| Boroughs of New York City | 0 | - | 4.47 | 84,106 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,709 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,469 |
| Chicago A-Z | 0 | - | 4.25 | 15,456 |
| US States with an Empty Map | 0 | - | 5.00 | 618,902 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,747 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,377 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,427 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,684 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,929 |
| U.S. States By Population | 0 | - | 4.92 | 152,382 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,416 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,872 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,293 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,563 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,893 |
| Capitals of the Stans | 0 | - | 4.95 | 26,413 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,442 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,196 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,513 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,550 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,154 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,462 |
| ALL California Cities | 0 | - | 4.37 | 42,818 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,328 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,848 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,805 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,275 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,638 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,833 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,590 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,033 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,927 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,790 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,340 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,851 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,372 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,028 |
| Which City in Europe? | 0 | - | 4.83 | 106,661 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,591 |
| Draw All US State Borders | 0 | - | 4.99 | 133,660 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,937 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,731 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,597 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,735 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,963 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,277 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,080 |
| California A-Z | 0 | - | 4.49 | 28,709 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,246 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,475 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,673 |
| Cities in European History #1 | 0 | - | 4.63 | 133,145 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,404 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,199 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,569 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,807 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,017 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,907 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,193 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,537 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,607 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,441 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,191 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,018 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,610 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,363 |
| Every City in Michigan on a Map | 0 | - | 4.48 | 9,276 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.28 | 11,803 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,039 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,805 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,037 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,224 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,124 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,561 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,531 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,151 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,010 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,611 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,061 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,805 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,910 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,061 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,616 |
| Which City in the United States? | 0 | - | 4.21 | 56,678 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,391 |
| Which City in Canada? | 0 | - | 4.82 | 56,672 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,628 |
