| US States and State Capitals | 0 | - | 4.99 | 165,624 |
| Random U.S. Sports Team to State | 0 | - | 4.33 | 27,818 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,104 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,206 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,788 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,521 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,348 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 48,268 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,708 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,319 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,081 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,503 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,582 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,762 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,169 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,349 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,975 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,163 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,292 |
| Which City in California? | 0 | - | 4.56 | 32,166 |
| U.S. Senators by State | 0 | - | 4.44 | 40,115 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,427 |
| North American Sports Cities | 0 | - | 4.82 | 173,204 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,581 |
| Name a City - European Countries | 0 | - | 4.89 | 66,249 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,379 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,307 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,902 |
| New York City A-Z | 0 | - | 4.18 | 32,391 |
| Olympic Host Countries | 0 | - | 4.98 | 202,069 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,342 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,633 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,251 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,360 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,794 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,561 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,686 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,327 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,479 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,268 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,562 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,599 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,161 |
| Europe Capital to Country | 0 | - | 4.99 | 252,270 |
| Asia Capital to Country | 0 | - | 4.96 | 127,614 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,095 |
| European Capitals by Map | 0 | - | 4.99 | 142,276 |
| African Capitals by Map | 0 | - | 4.99 | 142,347 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,206 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,007 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,974 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,255 |
| European Coastal Capitals | 0 | - | 4.95 | 91,389 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,227 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,945 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,959 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,199 |
| Which City in New York State? | 0 | - | 4.60 | 16,070 |
| Which City in Texas? | 0 | - | 4.45 | 25,168 |
| Which City in Florida? | 0 | - | 4.61 | 11,034 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,328 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,228 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,291 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,407 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,719 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,277 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,088 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,977 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,923 |
| Official Cities in the UK | 0 | - | 4.89 | 286,537 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,618 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,010 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,887 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,040 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,241 |
| Random U.S. City to State | 0 | - | 4.45 | 76,965 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,500 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,330 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,173 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,460 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,155 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,722 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,410 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,291 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,635 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,198 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,433 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,617 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,996 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,719 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,743 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,595 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,747 |
| Vietnam War Countries | 0 | - | 4.82 | 94,685 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,725 |
| US States Quiz | 0 | - | 5.00 | 17,006,311 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,505 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,758 |
| Capitals of the Stans | 0 | - | 4.95 | 27,182 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,345 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,427 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,128 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,783 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,513 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,309 |
| Biggest Cities in California | 0 | - | 4.35 | 140,447 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,431 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,930 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,550 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,431 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,857 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,993 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,757 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,296 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,952 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,649 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,501 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,183 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,844 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,122 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,289 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,400 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,459 |
| Random European Capital to Country | 0 | - | 4.98 | 192,230 |
| Random European Country to Capital | 0 | - | 4.93 | 165,980 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,042 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,501 |
| Random African Capital to Country | 0 | - | 4.97 | 101,398 |
| Random African Country to Capital | 0 | - | 4.95 | 71,796 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,624 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,176 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,895 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,804 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,257 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,680 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,407 |
| Which City in Europe? | 0 | - | 4.83 | 107,923 |
| Boroughs of New York City | 0 | - | 4.47 | 85,354 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,140 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,546 |
| Merged U.S. States | 0 | - | 4.37 | 44,433 |
| Draw All US State Borders | 0 | - | 4.99 | 141,197 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.91 | 68,430 |
| US States with an Empty Map | 0 | - | 5.00 | 629,052 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,118 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,444 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,336 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,357 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,255 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,411 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,438 |
| U.S. States By Population | 0 | - | 4.92 | 154,198 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,288 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,926 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,361 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,472 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,900 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,560 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,143 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,501 |
| California A-Z | 0 | - | 4.49 | 28,850 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,890 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,727,796 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,089 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,368 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,308 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,905 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,043 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,098 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,079 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,745 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,295 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,497 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,997 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,204 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,895 |
| U.S. City Nicknames | 0 | - | 4.26 | 103,874 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,758 |
| ALL California Cities | 0 | - | 4.37 | 43,259 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,682 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,609 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,557 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,281 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,670 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,776 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,749 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,511 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,882 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,837 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,266 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,881 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,267 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,433 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,110 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,737 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,084 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,820 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,445 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,819 |
