| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,239 |
| US States Quiz | 0 | - | 5.00 | 16,709,768 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,421 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,329 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,772 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,838 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,562 |
| US States with an Empty Map | 0 | - | 5.00 | 619,147 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,468 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,597 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,118 |
| Draw All US State Borders | 0 | - | 4.99 | 133,814 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,788 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,641 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,004 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,628 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,831 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,623 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,128 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,261 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,494 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,566 |
| US States and State Capitals | 0 | - | 4.99 | 158,717 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,688 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,566 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,899 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,932 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,206 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,283 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,718 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,632 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,175 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,895 |
| Random U.S. City to State | 0 | - | 4.45 | 75,401 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,233 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,665,372 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,381,101 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,906 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,701 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,566 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,045 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,069 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,907 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,027 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,847 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,683 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,587 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 10,850 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,804 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,769 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,497 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,263 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,942 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,541 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,454 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,812 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,563 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,155 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,013 |
| Boroughs of New York City | 0 | - | 4.47 | 84,129 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,758 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,593 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,406 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,435 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,673 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,654 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,603 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,691 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,088 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,457 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,019 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,172 |
| ALL California Cities | 0 | - | 4.37 | 42,827 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,389 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,514 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,595 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,037 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,798 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,346 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,854 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,677 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,325 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,201 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,421 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,640 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,443 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,205 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,112 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,492 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,267 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,336 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,376 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,512 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,718 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,288 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,486 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,281 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,617 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,794 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,461 |
| Countries with Megacities | 0 | - | 4.99 | 247,296 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,296 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,102 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,727 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,027 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,641 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,821 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,351 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,127 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,331 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,486 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,680 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,031 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,195 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,022 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,621 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,366 |
| Every City in Michigan on a Map | 0 | - | 4.48 | 9,283 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,631 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,460 |
| Regions of U.S. States | 0 | - | 4.37 | 43,492 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,820 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,343 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,005 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,202 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,809 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,237 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,946 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,871 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,581 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,284 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,610 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,448 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,580 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,260 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,529 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,921 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,663 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,533 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,970 |
| Miami City Trivia | 0 | - | 4.60 | 11,191 |
| All About Atlanta | 0 | - | 4.60 | 11,206 |
| Dallas City Trivia | 0 | - | 4.46 | 6,781 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,356 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,476 |
| Rivers of the United States | 0 | - | 4.93 | 65,556 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,065 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,236 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,933 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,196 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,836 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,218 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,371 |
| U.S. States with the Most National Parks | 0 | - | 4.64 | 25,429 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,921 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,556 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,821 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,146 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,886 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,039 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,947 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,521 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,666 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,339 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,698 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,751 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,061 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,925 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,163 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,541 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,562 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,496 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,642 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,084 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,205 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,777 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,731 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,583 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,265 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,951 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,446 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,636 |
| Name a City - European Countries | 0 | - | 4.92 | 64,477 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,230 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,533 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,667 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,067 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,808 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,696 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,454 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,445 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,107 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,431 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,569 |
| State Quiz - Florida | 0 | - | 4.47 | 61,962 |
| State Quiz - Texas | 0 | - | 4.43 | 62,527 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,574 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,053 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,344 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,261 |
