| US States and State Capitals | 0 | - | 4.99 | 163,639 |
| Random U.S. Sports Team to State | 0 | - | 4.34 | 27,383 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,260 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,079 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,260 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,339 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,073 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 48,132 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,999 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,544 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,344 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,006 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,491 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,333 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,948 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,192 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,892 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,080 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,226 |
| Which City in California? | 0 | - | 4.56 | 32,088 |
| U.S. Senators by State | 0 | - | 4.44 | 40,008 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,975 |
| North American Sports Cities | 0 | - | 4.83 | 172,688 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,417 |
| Name a City - European Countries | 0 | - | 4.90 | 65,654 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,034 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,999 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,264 |
| New York City A-Z | 0 | - | 4.18 | 32,332 |
| Olympic Host Countries | 0 | - | 4.98 | 201,165 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,996 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,752 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,300 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,810 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,245 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,499 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,669 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,578 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,301 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,144 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,630 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,009 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,568 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,431 |
| Europe Capital to Country | 0 | - | 4.99 | 250,967 |
| Asia Capital to Country | 0 | - | 4.96 | 126,895 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,252 |
| European Capitals by Map | 0 | - | 4.99 | 140,079 |
| African Capitals by Map | 0 | - | 4.99 | 134,218 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,749 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,684 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,326 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,668 |
| European Coastal Capitals | 0 | - | 4.95 | 90,857 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,688 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,949 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,653 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,937 |
| Which City in New York State? | 0 | - | 4.60 | 16,009 |
| Which City in Texas? | 0 | - | 4.45 | 25,119 |
| Which City in Florida? | 0 | - | 4.61 | 11,003 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 49,901 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,669 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,172 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,338 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,410 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,290 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,714 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,388 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,595 |
| Official Cities in the UK | 0 | - | 4.89 | 284,643 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,438 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,431 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,860 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,806 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,036 |
| Random U.S. City to State | 0 | - | 4.45 | 76,577 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,486 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,178 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,706 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,342 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,883 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,285 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,678 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,753 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,229 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,555 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,054 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,317 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,569 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,827 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,250 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,307 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,434 |
| Vietnam War Countries | 0 | - | 4.82 | 94,376 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,507 |
| US States Quiz | 0 | - | 5.00 | 16,923,473 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,484 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,861 |
| Capitals of the Stans | 0 | - | 4.95 | 26,934 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,212 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,383 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,587 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,246 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,084 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,521 |
| Biggest Cities in California | 0 | - | 4.35 | 140,080 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,225 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,773 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,441 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,309 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,721 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,855 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,451 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,220 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,831 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,584 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,814 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,052 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,613 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,815 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,945 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,092 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,973 |
| Random European Capital to Country | 0 | - | 4.98 | 191,513 |
| Random European Country to Capital | 0 | - | 4.93 | 165,434 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,629 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,024 |
| Random African Capital to Country | 0 | - | 4.97 | 100,929 |
| Random African Country to Capital | 0 | - | 4.94 | 71,396 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,155 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,078 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,807 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,725 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,121 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,643 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,597 |
| Which City in Europe? | 0 | - | 4.83 | 107,595 |
| Boroughs of New York City | 0 | - | 4.47 | 84,725 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,052 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,526 |
| Merged U.S. States | 0 | - | 4.37 | 44,264 |
| Draw All US State Borders | 0 | - | 4.99 | 138,754 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 67,197 |
| US States with an Empty Map | 0 | - | 5.00 | 626,174 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,147 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,996 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,749 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,694 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,419 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,374 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,688 |
| U.S. States By Population | 0 | - | 4.92 | 153,765 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,755 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,612 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,866 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,549 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,537 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,340 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,813 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,415 |
| California A-Z | 0 | - | 4.49 | 28,808 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,443 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,709,814 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,729 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 28,959 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,212 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,811 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,937 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,990 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,021 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,655 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,229 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,453 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,933 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,085 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,466 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,739 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,587 |
| ALL California Cities | 0 | - | 4.37 | 43,117 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,469 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,416 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,351 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,991 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,536 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,529 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,470 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,581 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,510 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,186 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,776 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,225 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,278 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,994 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,594 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,001 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,670 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,417 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,452 |
| Which City in Canada? | 0 | - | 4.83 | 57,156 |
