| Random U.S. States on a Map | 0 | - | 4.96 | 620,695 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,560 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,608 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,061 |
| US States Quiz | 0 | - | 5.00 | 16,676,337 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,798 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,027 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,751 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,772 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,097 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,418 |
| US States with an Empty Map | 0 | - | 5.00 | 618,033 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,562 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,112 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,188 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,247 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,466 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,727 |
| U.S. States By Population | 0 | - | 4.92 | 152,239 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,762 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,826 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,432 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,696 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,776 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,758 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,021 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,385 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,013 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,600 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,722 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,210 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,961 |
| Vietnam War Countries | 0 | - | 4.83 | 93,526 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,950 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,454 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,520 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,414 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,767 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,771 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,541 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,923 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,503 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,587 |
| U.S. State Flags | 0 | - | 4.89 | 166,638 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,323 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,663 |
| U.S. Senators by State | 0 | - | 4.44 | 39,717 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,730 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,823 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,907 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,868 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,956 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,245 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,035 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,556 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,496 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,903 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,260 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,699 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,280 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,480 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.54 | 18,170 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.54 | 28,838 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,724 |
| Pixelated United States Map | 0 | - | 4.89 | 93,271 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,578 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,673 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,925 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,183 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,205 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,817 |
| South China Sea Countries | 0 | - | 4.78 | 57,464 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,254 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,347 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,592 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,176 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,356 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,364 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,854 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,012 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 299,665 |
| Merged U.S. States | 0 | - | 4.36 | 43,821 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,753 |
| Rivers of the United States | 0 | - | 4.93 | 65,422 |
| U.S. States with Shortest Maximum Distances to the Ocean | 0 | - | 4.66 | 20,576 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,326 |
| North Dakota... or South Dakota? | 0 | - | 4.45 | 13,686 |
| New England States | 0 | - | 4.51 | 59,695 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,378,888 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,412 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,250 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,587 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,629 |
| U.S. States by Borders | 0 | - | 4.63 | 35,041 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,249 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,206 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,079 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,959 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,261 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,743 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,384 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,829 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,189 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,378 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,882 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,248 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,123 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,779 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,506 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,301 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,324 |
| California A-Z | 0 | - | 4.49 | 28,695 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,744 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,277 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,716 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,085 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,027 |
| New York City A-Z | 0 | - | 4.18 | 32,169 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,510 |
| Countries of Africa | 0 | - | 5.00 | 2,503,942 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,300 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,636 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,599 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,773 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,405 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,904 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,345 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,527 |
| Asia Map Quiz | 0 | - | 4.99 | 905,591 |
| Australia Map Quiz | 0 | - | 4.94 | 342,200 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,036 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,646 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,302 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,429 |
| Hawaiian Islands | 0 | - | 4.83 | 42,393 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,783 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,541 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,313 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,955 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,217 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,342 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,251 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,008 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,002 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,753 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,379 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,650 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,403 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 38,516 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,617 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,413 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,140 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,724 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,075 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,226 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,390 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,642 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,233 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,450 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,944 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,261 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,375 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,051 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,351 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,542 |
| State Quiz - Florida | 0 | - | 4.47 | 61,888 |
| State Quiz - Texas | 0 | - | 4.43 | 62,450 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,521 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,001 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,294 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,213 |
| State Quiz - New York | 0 | - | 4.52 | 45,688 |
| State Quiz - Washington | 0 | - | 4.45 | 36,129 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,116 |
| State Quiz - California | 0 | - | 4.68 | 63,900 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,754 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,459 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,841 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,569 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,872 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,815 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,371 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,652 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,441 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,232 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,629 |
| Name a City - European Countries | 0 | - | 4.92 | 64,254 |
| Europe Capital to Country | 0 | - | 4.99 | 247,254 |
| Asia Capital to Country | 0 | - | 4.96 | 125,601 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,260 |
| European Capitals by Map | 0 | - | 4.99 | 135,888 |
| African Capitals by Map | 0 | - | 4.99 | 132,030 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,945 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,058 |
