| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,285 |
| US States Quiz | 0 | - | 5.00 | 17,018,292 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,342 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,207 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,940 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,597 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,415 |
| US States with an Empty Map | 0 | - | 5.00 | 629,464 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,799 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,573 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,585 |
| Draw All US State Borders | 0 | - | 4.99 | 141,440 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,360 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,434 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,563 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,240 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,805 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,457 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,971 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,973 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,165 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,032 |
| US States and State Capitals | 0 | - | 4.99 | 165,914 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,557,990 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,205 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,825 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,374 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,329 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,276 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,569 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,489 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,197 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,031 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,556 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,445 |
| Random U.S. City to State | 0 | - | 4.45 | 77,012 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,191 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,695,360 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,399,757 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,975 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,635 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,248 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,890 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,422 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,257 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,075 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,965 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,525 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,001 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,449 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,364 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,425 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,105 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,776 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,404 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,236 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,377 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,683 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,133 |
| Boroughs of New York City | 0 | - | 4.47 | 85,391 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,149 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,975 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,191 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,161 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,182 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,696 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,781 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,143 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,178 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,491 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,589 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,796 |
| ALL California Cities | 0 | - | 4.37 | 43,278 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,519 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,575 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,892 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,450 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,128 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,758 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,097 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,855 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,912 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,556 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,099 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,575 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 43,174 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,892 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,751 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,611 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,901 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,099 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,346 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,505 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,471 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,335 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,707 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,781 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,508 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,855 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,931 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,469 |
| Countries with Megacities | 0 | - | 4.99 | 267,778 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,115 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,322 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,451 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,422 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,073 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,861 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,774 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,767 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,686 |
| U.S. City Nicknames | 0 | - | 4.26 | 103,887 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,177 |
| Every City in Arizona on a Map | 0 | - | 4.53 | 9,624 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,577 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,340 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,704 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,808 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,817 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,365 |
| Regions of U.S. States | 0 | - | 4.37 | 44,245 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,428 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,430 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,237 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,436 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,097 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,920 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,467 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,651 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,602 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,509 |
| Name a City - U.S. States | 0 | - | 4.40 | 30,881 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,905 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,761 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,940 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,845 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,662 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,193 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,911 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,814 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,039 |
| Miami City Trivia | 0 | - | 4.60 | 11,272 |
| All About Atlanta | 0 | - | 4.60 | 11,298 |
| Dallas City Trivia | 0 | - | 4.46 | 6,875 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,272 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,680 |
| Mexico True or False? | 0 | - | 4.89 | 49,046 |
| Rivers of the United States | 0 | - | 4.93 | 66,772 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,548 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,382 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,130 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,563 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,977 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,458 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,540 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 26,029 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,353 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,245 |
| U.S States with the Most Cows | 0 | - | 4.63 | 30,000 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,153 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,562 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,451 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,500 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,801 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,990 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,352 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,711 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,074 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,164 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,939 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,781 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,638 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,530 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,936 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,369 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,752 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,082 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,707 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,828 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,295 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,544 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,706 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,502 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,118 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,601 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,941 |
| Name a City - European Countries | 0 | - | 4.89 | 66,363 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,697 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,686 |
| US State Capitals - One Minute Sprint | 0 | - | 4.04 | 184,954 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,336 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,952 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,318 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,841 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,721 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 65,048 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,476 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,095 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,842 |
| State Quiz - Florida | 0 | - | 4.47 | 62,736 |
