| US States and State Capitals | 0 | - | 4.99 | 163,443 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,397 |
| U.S. Senators by State | 0 | - | 4.44 | 39,996 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,227 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,719 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,601 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,184 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,000 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,959 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,369 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,275 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,971 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,480 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,300 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,880 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,184 |
| Which City in California? | 0 | - | 4.56 | 32,068 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,966 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,597 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,616 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,221 |
| New York City A-Z | 0 | - | 4.18 | 32,328 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,669 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,112 |
| Random U.S. Sports Team to State | 0 | - | 4.34 | 27,312 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,999 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,417 |
| North American Sports Cities | 0 | - | 4.83 | 172,634 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,387 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,861 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,613 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,940 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,483 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,373 |
| Name a City - European Countries | 0 | - | 4.90 | 65,605 |
| Europe Capital to Country | 0 | - | 4.99 | 250,836 |
| Asia Capital to Country | 0 | - | 4.96 | 126,857 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,187 |
| European Capitals by Map | 0 | - | 4.99 | 139,913 |
| African Capitals by Map | 0 | - | 4.99 | 134,142 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,621 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,280 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,617 |
| European Coastal Capitals | 0 | - | 4.95 | 90,795 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,667 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,788 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,512 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,915 |
| Which City in New York State? | 0 | - | 4.60 | 16,004 |
| Which City in Texas? | 0 | - | 4.45 | 25,115 |
| Which City in Florida? | 0 | - | 4.61 | 11,000 |
| Olympic Host Countries | 0 | - | 4.98 | 201,091 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,683 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,416 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,605 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,054 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,554 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,457 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,315 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,219 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,645 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,333 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,571 |
| Official Cities in the UK | 0 | - | 4.89 | 284,464 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,416 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,371 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,815 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,780 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,017 |
| Random U.S. City to State | 0 | - | 4.45 | 76,498 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,217 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,153 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,325 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,855 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,234 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,471 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,544 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,696 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,202 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,512 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,013 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,287 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,541 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,692 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,185 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,286 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,400 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,881 |
| Vietnam War Countries | 0 | - | 4.82 | 94,354 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,486 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,677 |
| US States Quiz | 0 | - | 5.00 | 16,914,672 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,481 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,775 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,200 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,378 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,535 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,013 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,032 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,438 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,813 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,579 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,457 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,664 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,554 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,752 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,043 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,588 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,784 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,935 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,079 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,922 |
| Random European Capital to Country | 0 | - | 4.98 | 191,284 |
| Random European Country to Capital | 0 | - | 4.93 | 165,369 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,589 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,953 |
| Random African Capital to Country | 0 | - | 4.97 | 100,883 |
| Random African Country to Capital | 0 | - | 4.94 | 71,368 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,129 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,075 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,803 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,719 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,113 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,543 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,413 |
| Which City in Europe? | 0 | - | 4.83 | 107,550 |
| Boroughs of New York City | 0 | - | 4.47 | 84,707 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,046 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,520 |
| Chicago A-Z | 0 | - | 4.25 | 15,523 |
| Draw All US State Borders | 0 | - | 4.99 | 138,512 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 67,104 |
| US States with an Empty Map | 0 | - | 5.00 | 625,903 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,118 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,787 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,691 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,655 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,354 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,314 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,616 |
| U.S. States By Population | 0 | - | 4.92 | 153,727 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,688 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,587 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,829 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,482 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,491 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,327 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,780 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.88 | 19,709 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,408 |
| California A-Z | 0 | - | 4.49 | 28,807 |
| Capitals of the Stans | 0 | - | 4.95 | 26,910 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,384 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,580 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,415 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,732 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,467 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,567 |
| ALL California Cities | 0 | - | 4.37 | 43,100 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,754 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,793 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,642 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,405 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,335 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,968 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,528 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,511 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,661 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,467 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,477 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,182 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,765 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,216 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,641 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,269 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,249 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,077 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,984 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,587 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,996 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,659 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,073 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,221 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,726 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,400 |
| Which City in Canada? | 0 | - | 4.83 | 57,143 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,738 |
| Miami City Trivia | 0 | - | 4.60 | 11,243 |
| All About Atlanta | 0 | - | 4.60 | 11,263 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,782 |
| Dallas City Trivia | 0 | - | 4.46 | 6,841 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,583,891 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,879 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,083 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,670 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,541 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,397 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,627 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,328 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 67,161 |
