| Random U.S. States on a Map | 0 | - | 4.96 | 629,502 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,233 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,561 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,475 |
| US States Quiz | 0 | - | 5.00 | 16,971,057 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,343 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,390 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,304 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,659 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,629 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,760 |
| US States with an Empty Map | 0 | - | 5.00 | 627,801 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,901 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,394 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,129 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,127 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,164 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,155 |
| U.S. States By Population | 0 | - | 4.92 | 154,033 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,077 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,804 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,978 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,772 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,482 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,002 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,553 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,117 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,595 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,780 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,593 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,928 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,471 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,617 |
| Vietnam War Countries | 0 | - | 4.82 | 94,529 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,340 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,000 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,956 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,863 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,164 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,296 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,983 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,741 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,355 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,110 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,701 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,164 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,380 |
| U.S. State Flags | 0 | - | 4.89 | 172,355 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.55 | 33,297 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,794 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,913 |
| U.S. Senators by State | 0 | - | 4.44 | 40,081 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,849 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,802 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,584 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,553,101 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,157 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,371 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,086 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,725 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,384 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,225 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,983 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,362 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,315 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,387 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,829 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.55 | 18,296 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,858 |
| Pixelated United States Map | 0 | - | 4.88 | 94,710 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,907 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,836 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,303 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,548 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,534 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,489 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,269 |
| Which City in California? | 0 | - | 4.56 | 32,140 |
| South China Sea Countries | 0 | - | 4.78 | 57,820 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,047 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,319 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,768 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,979 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,500 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,428 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,469 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,097 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 303,625 |
| Merged U.S. States | 0 | - | 4.37 | 44,377 |
| U.S. States by Landform Quiz | 0 | - | 4.01 | 26,867 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,353 |
| Rivers of the United States | 0 | - | 4.93 | 66,581 |
| U.S. States with Shortest Maximum Distances to the Ocean | 0 | - | 4.66 | 21,306 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,846 |
| North Dakota... or South Dakota? | 0 | - | 4.45 | 13,740 |
| New England States | 0 | - | 4.51 | 59,882 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,290 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,016 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,101 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,067 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,243 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,102 |
| U.S. States by Borders | 0 | - | 4.62 | 35,444 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,303 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 634,261 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,657 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,286 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,411 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,885 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,193 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,808 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,411 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,486 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,828 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,285 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,202 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,553 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,972 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,215 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.48 | 26,476 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,055 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,388 |
| California A-Z | 0 | - | 4.49 | 28,835 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,300 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,690 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,732 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,686 |
| US States and State Capitals | 0 | - | 4.99 | 164,865 |
| New York City A-Z | 0 | - | 4.18 | 32,367 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,076 |
| Countries of Africa | 0 | - | 5.00 | 2,554,797 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,591 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,001 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,668 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,516 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,546 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,414 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,359 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,707 |
| Asia Map Quiz | 0 | - | 4.99 | 923,688 |
| Australia Map Quiz | 0 | - | 4.95 | 345,889 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,886 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,888 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,533 |
| Africa Map with Random Merged Countries | 0 | - | 4.94 | 74,243 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,679 |
| Hawaiian Islands | 0 | - | 4.83 | 42,892 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,404 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,909 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,070 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,153 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,354 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,112 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,038 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,226 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,599 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,310 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,248 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,956 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,560 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,827 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,553 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,352 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,096 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,853 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,688 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,749 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,834 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,172 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,327 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,238 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,648 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,738 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,242 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,466 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,950 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,410 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 63,977 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,804 |
| State Quiz - Florida | 0 | - | 4.47 | 62,548 |
| State Quiz - Texas | 0 | - | 4.43 | 63,121 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,964 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,456 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,710 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,598 |
| State Quiz - New York | 0 | - | 4.52 | 46,356 |
| State Quiz - Washington | 0 | - | 4.45 | 36,601 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,516 |
| State Quiz - California | 0 | - | 4.69 | 64,718 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,234 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,873 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,309 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,262 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,335 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,827 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,734 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,546 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,905 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,674 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,317 |
