| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,464 |
| US States Quiz | 0 | - | 5.00 | 16,925,663 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,964 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,597 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,300 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,092 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,533 |
| US States with an Empty Map | 0 | - | 5.00 | 626,226 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,007 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,576 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,012 |
| Draw All US State Borders | 0 | - | 4.99 | 138,873 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,434 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,878 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,566 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,696 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,548 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,980 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,380 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,273 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,600 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,535 |
| US States and State Capitals | 0 | - | 4.99 | 163,665 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,897 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,931 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,342 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,195 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,122 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,631 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,777 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,066 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,903 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,272 |
| Random U.S. City to State | 0 | - | 4.45 | 76,587 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,885 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,685,983 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,268 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,358 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,001 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,029 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,430 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,307 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,740 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,398 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,605 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,249 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,667 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,264 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,215 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,204 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,927 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,638 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,267 |
| Name a City - U.S. States | 0 | - | 4.41 | 27,195 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,276 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,087 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,645 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,256 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| Boroughs of New York City | 0 | - | 4.47 | 84,729 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,054 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,858 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,955 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,909 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,003 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,519 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,693 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,475 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,492 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,995 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,413 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,593 |
| ALL California Cities | 0 | - | 4.37 | 43,120 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,471 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,830 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,777 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,278 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,998 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,594 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,003 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,701 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,837 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,492 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,366 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,518 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,228 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,813 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,605 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,463 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,566 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,236 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,015 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,484 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,172 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,121 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,588 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,680 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,416 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,985 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,173 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,037 |
| Countries with Megacities | 0 | - | 4.99 | 264,904 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,863 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,554 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,131 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,626 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,633 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,555 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,642 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,665 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,580 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,745 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,362 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,417 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,354 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,004 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,537 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,530 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,741 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,744 |
| Regions of U.S. States | 0 | - | 4.37 | 44,001 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,251 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,402 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,157 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,384 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,001 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,706 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,916 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,129 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,755 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,442 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,810 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,650 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,184 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,129 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,159 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,080 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,814 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,726 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,019 |
| Miami City Trivia | 0 | - | 4.60 | 11,245 |
| All About Atlanta | 0 | - | 4.60 | 11,265 |
| Dallas City Trivia | 0 | - | 4.46 | 6,849 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,621 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,270 |
| Rivers of the United States | 0 | - | 4.93 | 66,376 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,004 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,330 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,082 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,461 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,931 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,395 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,490 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 25,815 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,122 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,870 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,050 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,105 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,992 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,315 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,232 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,606 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,787 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,264 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,386 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,205 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,115 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,853 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,535 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,262 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,854 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,730 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,427 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,237 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,348 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,882 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,974 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,267 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,414 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,730 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,553 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,835 |
| Name a City - European Countries | 0 | - | 4.90 | 65,700 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,543 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,630 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,320 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,248 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,904 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,283 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,797 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,642 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,868 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,357 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,870 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,748 |
| State Quiz - Florida | 0 | - | 4.47 | 62,444 |
| State Quiz - Texas | 0 | - | 4.43 | 62,984 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,871 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,377 |
