| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,273 |
| US States Quiz | 0 | - | 5.00 | 16,695,265 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,320 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,235 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,700 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,745 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,448 |
| US States with an Empty Map | 0 | - | 5.00 | 618,623 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,365 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,321 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,053 |
| Draw All US State Borders | 0 | - | 4.99 | 133,490 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,677 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,545 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,893 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,544 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,623 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,595 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,022 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,171 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,428 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,512 |
| US States and State Capitals | 0 | - | 4.99 | 158,417 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,904 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,514 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,875 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,919 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,970 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,217 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,691 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,607 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,162 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,863 |
| Random U.S. City to State | 0 | - | 4.45 | 75,302 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,180 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,664,029 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,788 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,841 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,630 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,536 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,871 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,947 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,804 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,963 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,814 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,636 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,353 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,812 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,781 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,746 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,466 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,231 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,921 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,531 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,309 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,716 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,144 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,003 |
| Boroughs of New York City | 0 | - | 4.47 | 84,083 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,614 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,568 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,371 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,394 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,658 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,470 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,448 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,574 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,921 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,579 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,987 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,135 |
| ALL California Cities | 0 | - | 4.36 | 42,811 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,387 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,413 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,581 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,020 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,785 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,840 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,662 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,315 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,858 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,411 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,584 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,432 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,178 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,078 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 51,537 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 39,078 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,283 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,371 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,458 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,676 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,263 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,470 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,272 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,647 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,522 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,053 |
| Countries with Megacities | 0 | - | 4.99 | 246,627 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,979 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,837 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,407 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,779 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,583 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,094 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,180 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,995 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,315 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,462 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,656 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,887 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,184 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,013 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,595 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,352 |
| Every City in Michigan on a Map | 0 | - | 4.48 | 9,265 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,619 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,378 |
| Regions of U.S. States | 0 | - | 4.37 | 43,459 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,795 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,338 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 22,993 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,193 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,507 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,262 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,712 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,792 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,436 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,276 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,596 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,437 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,004 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,649 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,512 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,905 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,654 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,519 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,963 |
| Miami City Trivia | 0 | - | 4.60 | 11,189 |
| All About Atlanta | 0 | - | 4.60 | 11,205 |
| Dallas City Trivia | 0 | - | 4.46 | 6,774 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,286 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,422 |
| Rivers of the United States | 0 | - | 4.93 | 65,492 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,015 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,225 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,926 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,174 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,829 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,207 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,366 |
| U.S. States with the Most National Parks | 0 | - | 4.64 | 25,401 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,908 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,537 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,813 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,090 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,793 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,851 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,838 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,453 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,558 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,220 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,616 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,613 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,811 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,816 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,944 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,455 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,493 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,084 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,546 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,035 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,142 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,721 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,652 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,492 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,255 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,898 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,435 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,631 |
| Name a City - European Countries | 0 | - | 4.92 | 64,356 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,217 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,525 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,562 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,052 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,800 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,686 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,443 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,411 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,075 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,393 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,561 |
| State Quiz - Florida | 0 | - | 4.47 | 61,929 |
| State Quiz - Texas | 0 | - | 4.43 | 62,490 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,548 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,030 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,317 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,241 |
