| US States and State Capitals | 0 | - | 4.99 | 158,551 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,691 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,564 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,394 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,764 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,191 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,408 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,460 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,730 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,965 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,093 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,546 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,891 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,210 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,365 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,196 |
| Which City in California? | 0 | - | 4.56 | 31,882 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,573 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,512 |
| U.S. Senators by State | 0 | - | 4.45 | 39,757 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,603 |
| North American Sports Cities | 0 | - | 4.83 | 170,912 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,920 |
| Name a City - European Countries | 0 | - | 4.92 | 64,400 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,315 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,937 |
| Which City in New York State? | 0 | - | 4.60 | 15,868 |
| Which City in Texas? | 0 | - | 4.45 | 24,971 |
| Which City in Florida? | 0 | - | 4.61 | 10,924 |
| New York City A-Z | 0 | - | 4.18 | 32,194 |
| Olympic Host Countries | 0 | - | 4.98 | 198,903 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,570 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,112 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,090 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,973 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,005 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,864 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Official Cities in the UK | 0 | - | 4.89 | 280,554 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,722 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,365 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,714 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,143 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,823 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,599 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,807 |
| Europe Capital to Country | 0 | - | 4.99 | 247,915 |
| Asia Capital to Country | 0 | - | 4.96 | 125,763 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,464 |
| European Capitals by Map | 0 | - | 4.99 | 136,292 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,288 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,889 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,140 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,412 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,135 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,196 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,185 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,621 |
| European Coastal Capitals | 0 | - | 4.95 | 89,762 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,190 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,820 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,814 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,708 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,237 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,766 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,656 |
| Vietnam War Countries | 0 | - | 4.83 | 93,616 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,829 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,023 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,800 |
| US States Quiz | 0 | - | 5.00 | 16,701,895 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,608 |
| 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 | 75,794 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,284 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,737 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,793 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,506 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,205 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,684 |
| Random U.S. City to State | 0 | - | 4.45 | 75,325 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,950 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,802 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,017 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,206 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,404 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,456 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,075 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,852 |
| Random European Capital to Country | 0 | - | 4.98 | 189,219 |
| Random European Country to Capital | 0 | - | 4.92 | 147,458 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,403 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,422 |
| Random African Capital to Country | 0 | - | 4.97 | 99,741 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,669 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,520 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,658 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,797 |
| Boroughs of New York City | 0 | - | 4.47 | 84,101 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,702 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,467 |
| Chicago A-Z | 0 | - | 4.25 | 15,456 |
| US States with an Empty Map | 0 | - | 5.00 | 618,872 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,741 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,370 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,425 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,681 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,919 |
| U.S. States By Population | 0 | - | 4.92 | 152,380 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,410 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,869 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,281 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,559 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,889 |
| Capitals of the Stans | 0 | - | 4.95 | 26,410 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,428 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,196 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,503 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,549 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,152 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,462 |
| ALL California Cities | 0 | - | 4.37 | 42,816 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,292 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,837 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,804 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,273 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,636 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,821 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,588 |
| 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 | 54,337 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,849 |
| 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 | 39,008 |
| Which City in Europe? | 0 | - | 4.83 | 106,626 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,585 |
| Draw All US State Borders | 0 | - | 4.99 | 133,643 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,907 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,722 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,595 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,727 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,957 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,277 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,074 |
| California A-Z | 0 | - | 4.49 | 28,708 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,240 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,473 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,672 |
| Cities in European History #1 | 0 | - | 4.63 | 133,130 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,403 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,196 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,566 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,906 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,187 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,537 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,604 |
| 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 | 11,802 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,587 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,801 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,220 |
| 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 | 28,530 |
| 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 | 182,606 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,058 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,805 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,907 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,060 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,616 |
| Which City in the United States? | 0 | - | 4.21 | 56,664 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,345 |
| Which City in Canada? | 0 | - | 4.82 | 56,658 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,628 |
