| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,061 |
| US States with an Empty Map | 0 | - | 5.00 | 620,296 |
| US States Quiz | 0 | - | 5.00 | 16,745,887 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,608 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,631 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,806 |
| Rivers of the United States | 0 | - | 4.93 | 65,698 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,276 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,654 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,888 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,068 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,892 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,281 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,065 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,896 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,238 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,084 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,919 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,340 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,640 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,668,594 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,452 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,597 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,785 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,124 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,225 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,664 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,710 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,670 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,875 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,304 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,523,482 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,088 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,938 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,335 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,216 |
| State Quiz - Colorado | 0 | - | 4.35 | 48,013 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,630 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,117 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,395 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,304 |
| State Quiz - Washington | 0 | - | 4.45 | 36,242 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,225 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,855 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,968 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,740 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,979 |
| Random U.S. City to State | 0 | - | 4.45 | 75,515 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,337 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,909 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,396 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,383,747 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,228 |
| Boroughs of New York City | 0 | - | 4.47 | 84,242 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,710 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,685 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,083 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,036 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,089 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,649 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,499 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,161 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,161 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,248 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,955 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,526 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,282 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,719 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,760 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,645 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,730 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,055 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,503 |
| All About Atlanta | 0 | - | 4.60 | 11,216 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,860 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,670 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,756 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,420 |
| Departments of France | 0 | - | 4.93 | 53,077 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,809 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,605 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,740 |
| State Quiz - Wisconsin | 0 | - | 4.40 | 40,028 |
| State Quiz - Ohio | 0 | - | 4.23 | 45,139 |
| State Quiz - North Carolina | 0 | - | 4.32 | 39,441 |
| State Quiz - Massachusetts | 0 | - | 4.36 | 35,239 |
| History of Louisiana | 0 | - | 4.46 | 9,506 |
| State Quiz - Mississippi | 0 | - | 4.47 | 23,304 |
| State Quiz - West Virginia | 0 | - | 4.42 | 21,882 |
| State Quiz - Nebraska | 0 | - | 4.53 | 23,987 |
| State Quiz - Missouri | 0 | - | 4.44 | 24,632 |
| State Quiz - Idaho | 0 | - | 4.58 | 27,293 |
| State Quiz - Maine | 0 | - | 4.52 | 25,293 |
| State Quiz - North Dakota | 0 | - | 4.48 | 21,543 |
| State Quiz - Rhode Island | 0 | - | 4.56 | 25,698 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,541 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,903 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,045 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,831 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,245 |
| ALL California Cities | 0 | - | 4.37 | 42,898 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,413 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,734 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,956 |
| Arms Exports - United States | 0 | - | 4.74 | 60,911 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,776 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,085 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,535 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,445 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,438 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,710 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,361 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,489 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,918 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,133 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,010 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,337 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,683 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,637 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,623 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,304 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,739 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,904 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,739 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,866 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,647 |
| Pixelated United States Map | 0 | - | 4.89 | 93,680 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,257 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,529 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,695 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,435 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,067 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 38,736 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,686 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,711 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 41,177 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,065 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,302 |
| U.S. States By Population | 0 | - | 4.92 | 152,618 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,692 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,036 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,277 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,375 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,027 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,219 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,466 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,605 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,779 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,792 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,887 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,100 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,337 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,519 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,278 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,213 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,647 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,160 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,785 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,536 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,143 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,494 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 66,978 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,605 |
| State Quiz - Florida | 0 | - | 4.47 | 62,052 |
| State Quiz - Texas | 0 | - | 4.43 | 62,608 |
| State Quiz - New York | 0 | - | 4.52 | 45,855 |
| State Quiz - California | 0 | - | 4.68 | 64,099 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,557 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,716 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,251 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,781 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,540 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,718 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,598 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,256 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,712 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,625 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,943 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,081 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,823 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,392 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,883 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,657 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,985 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,653 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,215 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,364 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,905 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,099 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,732 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,097 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,795 |
| Asia Map Quiz | 0 | - | 4.99 | 909,099 |
| Topological Map of the USA Quiz | 0 | - | 4.49 | 28,914 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,033 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 20,945 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,331 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,345 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,649 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,864 |
