| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,631,141 |
| US States Quiz | 0 | - | 5.00 | 16,051,482 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 136,972 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 91,763 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 153,976 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,039 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 36,673 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 109,598 |
| US States with an Empty Map | 0 | - | 5.00 | 598,733 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 184,712 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 161,639 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 68,721 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 89,157 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 43,183 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 126,271 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 45,112 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 199,805 |
| Top 10 Most Native American U.S. States | 0 | - | 4.85 | 87,206 |
| Random State Capital to U.S. State | 0 | - | 4.81 | 83,878 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 145,400 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,447,496 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 42,404 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 58,623 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 91,821 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 46,677 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 67,788 |
| Countries of Europe by Population | 0 | - | 4.98 | 167,358 |
| US States by Borders in 30 Seconds | 0 | - | 4.74 | 2,590,012 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.68 | 1,341,671 |
| Top 10 Coldest U.S. States | 0 | - | 4.93 | 119,654 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 120,193 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.81 | 60,062 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 222,295 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 174,953 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 171,615 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 99,843 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 105,443 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,144 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,743 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 35,850 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,382 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 53,597 |
| Random U.S. City to State | 0 | - | 4.44 | 71,565 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 55,800 |
| U.S. States that Border Canada | 0 | - | 4.91 | 174,135 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.65 | 9,113 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.47 | 67,340 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,527 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,898 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 85,632 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 76,363 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,267 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,774 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 25,706 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 31,366 |
| Boroughs of New York City | 0 | - | 4.46 | 81,755 |
| Washington D.C. Trivia | 0 | - | 4.41 | 32,552 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,129 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 37,808 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 44,722 |
| Longest U.S. State Borders | 0 | - | 4.63 | 37,681 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 63,703 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,109 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 34,276 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 51,495 |
| U.S. States with More Cows than People | 0 | - | 4.61 | 40,025 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 64,994 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,895 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 36,172 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 210,579 |
| Category Elimination - U.S. States #2 | 0 | - | 4.81 | 126,171 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 85,291 |
| Name a Valid U.S. State #2 | 0 | - | 4.62 | 74,430 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 47,100 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 77,516 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 38,996 |
| Sports Teams by State Quiz | 0 | - | 4.18 | 93,505 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,406 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 118,799 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,496 |
| U.S. Cities Chain | 0 | - | 4.21 | 33,411 |
| ALL California Cities | 0 | - | 4.35 | 41,656 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.41 | 12,134 |
| Richest Metro Areas in the U.S. | 0 | - | 4.37 | 35,849 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 124,873 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.57 | 33,900 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.61 | 50,125 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,072 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.77 | 53,505 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.62 | 33,387 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 49,003 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.89 | 17,972 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,392,913 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,201 |
| Biggest Cities in the World | 0 | - | 4.91 | 757,359 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 98,557 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.40 | 47,027 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 108,284 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 22,672 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,076 |
| U.S. City Nicknames | 0 | - | 4.25 | 102,366 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 100,192 |
| Every City in Arizona on a Map | 0 | - | 4.45 | 8,451 |
| Every City in Colorado on a Map | 0 | - | 4.46 | 12,078 |
| Every City in Washington State on a Map | 0 | - | 4.51 | 12,298 |
| Every City in Alabama on a Map | 0 | - | 4.68 | 7,506 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,041 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 141,306 |
| Regions of US States | 0 | - | 4.16 | 32,286 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 312,309 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 37,518 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,155 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 22,469 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,477 |
| Countries with Megacities | 0 | - | 4.99 | 222,068 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,410 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,588 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,752 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 74,991 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 300,370 |
| Shrinking U.S. States | 0 | - | 4.37 | 39,592 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 47,695 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 401,163 |
| Biggest Cities in the United States | 0 | - | 4.94 | 922,299 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 354,298 |
| Biggest Cities in Canada | 0 | - | 4.56 | 128,408 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 106,887 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 39,775 |
| Name a City - U.S. States | 0 | - | 4.39 | 25,919 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 25,957 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.59 | 7,687 |
| Africa Capitals Quiz | 0 | - | 4.99 | 699,214 |
| Asia Capitals Quiz | 0 | - | 4.98 | 657,298 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 111,583 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,328 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.56 | 35,137 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.23 | 17,762 |
| Miami City Trivia | 0 | - | 4.59 | 10,969 |
| All About Atlanta | 0 | - | 4.59 | 10,919 |
| Dallas City Trivia | 0 | - | 4.46 | 6,577 |
| Countries Closest to Alaska | 0 | - | 4.91 | 106,074 |
| Countries Closest to Maine | 0 | - | 4.83 | 63,657 |
| Rivers of the United States | 0 | - | 4.92 | 62,508 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 110,781 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 61,892 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,533 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 56,363 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,522 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.47 | 26,703 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.49 | 22,061 |
| U.S. States with the Most National Parks | 0 | - | 4.64 | 24,102 |
| A Superlative for Every U.S. State | 0 | - | 4.43 | 27,050 |
| U.S. States With No City Over 100,000 | 0 | - | 4.55 | 17,112 |
| U.S States with the Most Cows | 0 | - | 4.63 | 28,595 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,493 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,787 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,316 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,083 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,496 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,245 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 55,689 |
| Biggest City by Time Zone | 0 | - | 4.87 | 62,401 |
| Biggest City in Every Country | 0 | - | 4.98 | 91,487 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 190,987 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 103,406 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 112,433 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 74,107 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 79,811 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 554,391 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 73,832 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,867 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,016 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,339 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 62,965 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 121,411 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,781 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 36,814 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,081 |
| Word Scramble - U.S. Cities | 0 | - | 4.10 | 19,276 |
| Name a City - European Countries | 0 | - | 4.93 | 60,509 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 61,186 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,234 |
| US State Capitals - One Minute Sprint | 0 | - | 4.02 | 176,800 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 28,462 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,457 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.35 | 21,323 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 61,805 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 63,153 |
| Top 10 Least Religious U.S. States | 0 | - | 4.50 | 33,202 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.78 | 61,856 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 40,895 |
| State Quiz - Florida | 0 | - | 4.46 | 59,996 |
| State Quiz - Texas | 0 | - | 4.43 | 60,474 |
| State Quiz - Virginia | 0 | - | 4.52 | 38,735 |
| State Quiz - New York | 0 | - | 4.52 | 43,857 |
| State Quiz - Washington | 0 | - | 4.44 | 34,962 |
| State Quiz - Illinois | 0 | - | 4.44 | 31,843 |
| State Quiz - California | 0 | - | 4.68 | 61,572 |
| State Quiz - Alaska | 0 | - | 4.42 | 40,375 |
| State Quiz - Arizona | 0 | - | 4.43 | 35,031 |
