| US States and State Capitals | 0 | - | 4.99 | 162,743 |
| Random U.S. Sports Team to State | 0 | - | 4.34 | 27,134 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,952 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,848 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,098 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,536 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 55,984 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 48,068 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,743 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,848 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,098 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,863 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,440 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,215 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,699 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,151 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,847 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,056 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,201 |
| Which City in California? | 0 | - | 4.56 | 32,039 |
| U.S. Senators by State | 0 | - | 4.44 | 39,968 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,908 |
| North American Sports Cities | 0 | - | 4.83 | 172,450 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,345 |
| Name a City - European Countries | 0 | - | 4.90 | 65,441 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,243 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,496 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,096 |
| New York City A-Z | 0 | - | 4.18 | 32,311 |
| Olympic Host Countries | 0 | - | 4.98 | 200,855 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,779 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,446 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,533 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,546 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,002 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,929 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,306 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,970 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,233 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,088 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,595 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,763 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,173 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,172 |
| Europe Capital to Country | 0 | - | 4.99 | 250,471 |
| Asia Capital to Country | 0 | - | 4.96 | 126,719 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,966 |
| European Capitals by Map | 0 | - | 4.99 | 139,412 |
| African Capitals by Map | 0 | - | 4.99 | 133,907 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,717 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,485 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,129 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,468 |
| European Coastal Capitals | 0 | - | 4.95 | 90,653 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,610 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,220 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,176 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,860 |
| Which City in New York State? | 0 | - | 4.60 | 15,986 |
| Which City in Texas? | 0 | - | 4.45 | 25,099 |
| Which City in Florida? | 0 | - | 4.61 | 10,991 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,122 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,199 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,115 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,320 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,009 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,948 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,414 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,872 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,472 |
| Official Cities in the UK | 0 | - | 4.89 | 283,995 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,360 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,203 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,674 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,400 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,962 |
| Random U.S. City to State | 0 | - | 4.45 | 76,344 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,212 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,102 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,543 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,285 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,769 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,140 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,022 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,527 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,082 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,331 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,879 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,214 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,417 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,478 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,056 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,199 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,323 |
| Vietnam War Countries | 0 | - | 4.82 | 94,265 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,421 |
| US States Quiz | 0 | - | 5.00 | 16,887,213 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,463 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,200 |
| Capitals of the Stans | 0 | - | 4.95 | 26,863 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,156 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,353 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,389 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,144 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,879 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,129 |
| Biggest Cities in California | 0 | - | 4.35 | 139,926 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,144 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,701 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,418 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,269 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,667 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,789 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,370 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,201 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,779 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,568 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,552 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,013 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,541 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,702 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,844 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,010 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,784 |
| Random European Capital to Country | 0 | - | 4.98 | 191,002 |
| Random European Country to Capital | 0 | - | 4.93 | 165,209 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,501 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,799 |
| Random African Capital to Country | 0 | - | 4.97 | 100,766 |
| Random African Country to Capital | 0 | - | 4.94 | 71,290 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,026 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,051 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,781 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,698 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,090 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,636 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,318 |
| Which City in Europe? | 0 | - | 4.83 | 107,441 |
| Boroughs of New York City | 0 | - | 4.47 | 84,623 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,028 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,512 |
| Merged U.S. States | 0 | - | 4.37 | 44,178 |
| Draw All US State Borders | 0 | - | 4.99 | 137,825 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 66,821 |
| US States with an Empty Map | 0 | - | 5.00 | 625,004 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,965 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,900 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,503 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,509 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,147 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,089 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,385 |
| U.S. States By Population | 0 | - | 4.92 | 153,608 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,520 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,475 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,669 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,298 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,374 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,242 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,673 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,388 |
| California A-Z | 0 | - | 4.49 | 28,795 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,250 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,701,382 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,357 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 28,584 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,175 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,765 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,900 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,945 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,989 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,612 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,196 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,431 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,901 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,046 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,262 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,701 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,519 |
| ALL California Cities | 0 | - | 4.37 | 43,069 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,437 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,374 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,270 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,928 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,501 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,482 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,457 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,488 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,428 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,156 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,748 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,202 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,237 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,953 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,558 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,984 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,618 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,400 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,302 |
| Which City in Canada? | 0 | - | 4.83 | 57,097 |
