| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,281 |
| US States Quiz | 0 | - | 5.00 | 16,783,478 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,116 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,744 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,038 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,289 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,114 |
| US States with an Empty Map | 0 | - | 5.00 | 621,494 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,050 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,940 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,426 |
| Draw All US State Borders | 0 | - | 4.99 | 135,430 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,374 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,109 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,541 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,003 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,821 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,751 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,541 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,631 |
| US States and State Capitals | 0 | - | 4.99 | 160,311 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,723 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,818 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,854 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,840 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,996 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,985 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,359 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,672,395 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,760 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,234 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,095 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,701 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,804 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,654 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,499 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,376 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,032 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,609 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,840 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,720 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,279 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,012 |
| Random U.S. City to State | 0 | - | 4.45 | 75,779 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,458 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,877 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,724 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,003 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,004 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,907 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,651 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,386 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,050 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,622 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,068 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,258 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,587 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,194 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,028 |
| Boroughs of New York City | 0 | - | 4.47 | 84,339 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,934 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,735 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,395 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,700 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,599 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,611 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,451 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,835 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,778 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,295 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,353 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,662 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,706 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,565 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,290 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,601 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,743 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,858 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,388 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,549 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,321 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,310 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,567 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,021 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,155 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,324 |
| ALL California Cities | 0 | - | 4.37 | 42,940 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,426 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,934 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,651 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,129 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,863 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,433 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,907 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,886 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,235 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,418 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,177 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,904 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,223 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,157 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,886 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,403 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,587 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,748 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,459 |
| Every City in Arizona on a Map | 0 | - | 4.50 | 9,268 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,134 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,738 |
| Every City in Alabama on a Map | 0 | - | 4.72 | 8,414 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,387 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,672 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,842 |
| Regions of U.S. States | 0 | - | 4.37 | 43,661 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,951 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,358 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,063 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,348 |
| Countries with Megacities | 0 | - | 4.99 | 249,079 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,201 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,581 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,534 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,547 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,283 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,026 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,458 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,224 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,886 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,452 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,385 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,332 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,681 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,547 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,833 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,229 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,718 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,972 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,713 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,603 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,990 |
| Miami City Trivia | 0 | - | 4.60 | 11,213 |
| All About Atlanta | 0 | - | 4.60 | 11,228 |
| Dallas City Trivia | 0 | - | 4.46 | 6,804 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,814 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,762 |
| Rivers of the United States | 0 | - | 4.93 | 65,849 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,261 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,267 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,979 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,288 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,874 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,301 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,434 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 25,549 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,095 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,999 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,663 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,892 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,435 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,296 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,945 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,352 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,102 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,110 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,653 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,184 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,449 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,365 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,491 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,834 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,056 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,972 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,581 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,145 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,462 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,523 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,051 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,108 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,314 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,311 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,232 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,485 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,711 |
| Name a City - European Countries | 0 | - | 4.91 | 64,897 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,329 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,567 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,269 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,597 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,125 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,841 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,224 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,745 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,513 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,603 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,198 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,575 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,631 |
| State Quiz - Florida | 0 | - | 4.47 | 62,131 |
| State Quiz - Texas | 0 | - | 4.43 | 62,689 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,673 |
