| Random U.S. States on a Map | 0 | - | 4.96 | 620,706 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,561 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,611 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,061 |
| US States Quiz | 0 | - | 5.00 | 16,676,591 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,803 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,034 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,752 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,772 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,098 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,433 |
| US States with an Empty Map | 0 | - | 5.00 | 618,043 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,121 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,194 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,254 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,467 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,731 |
| U.S. States By Population | 0 | - | 4.92 | 152,242 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,763 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,829 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,436 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,699 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,777 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,760 |
| 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 | 124,388 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,013 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,602 |
| 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 | 190,212 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,966 |
| Vietnam War Countries | 0 | - | 4.83 | 93,527 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,952 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,456 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,521 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,417 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,768 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,773 |
| 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 | 90,924 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,587 |
| U.S. State Flags | 0 | - | 4.89 | 166,650 |
| 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 | 74,732 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,824 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,909 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,905 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,960 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,248 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,566 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,499 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,911 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,262 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,701 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,319 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,494 |
| 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 | 93,272 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,578 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,675 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,184 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| South China Sea Countries | 0 | - | 4.78 | 57,466 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,257 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,348 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,595 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,178 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,357 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,365 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,885 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,013 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 299,669 |
| Merged U.S. States | 0 | - | 4.36 | 43,821 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,754 |
| Rivers of the United States | 0 | - | 4.93 | 65,423 |
| U.S. States with Shortest Maximum Distances to the Ocean | 0 | - | 4.66 | 20,577 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,346 |
| 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 | 1,378,898 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,413 |
| 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 | 82,251 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,588 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,630 |
| U.S. States by Borders | 0 | - | 4.63 | 35,042 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,266 |
| 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 | 43,961 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,264 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,745 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,385 |
| 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 | 73,379 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,883 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,250 |
| 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 | 59,508 |
| 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 | 28,697 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,744 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,284 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,730 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,030 |
| New York City A-Z | 0 | - | 4.18 | 32,169 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,511 |
| Countries of Africa | 0 | - | 5.00 | 2,503,979 |
| 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 | 107,600 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,776 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,421 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,912 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,355 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,544 |
| Asia Map Quiz | 0 | - | 4.99 | 905,600 |
| Australia Map Quiz | 0 | - | 4.94 | 342,203 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,040 |
| 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 | 62,430 |
| Hawaiian Islands | 0 | - | 4.83 | 42,393 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,794 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,546 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,314 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,957 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,217 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,343 |
| 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 | 38,519 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,618 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,413 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,141 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,725 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,077 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,229 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,391 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,644 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,234 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,452 |
| 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 | 63,352 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,543 |
| State Quiz - Florida | 0 | - | 4.47 | 61,891 |
| State Quiz - Texas | 0 | - | 4.43 | 62,450 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,522 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,001 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,295 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,215 |
| State Quiz - New York | 0 | - | 4.52 | 45,688 |
| State Quiz - Washington | 0 | - | 4.45 | 36,129 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,117 |
| State Quiz - California | 0 | - | 4.68 | 63,901 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,755 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,460 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,842 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,570 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,872 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,825 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,382 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,661 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,442 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,233 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,633 |
| Name a City - European Countries | 0 | - | 4.92 | 64,256 |
| Europe Capital to Country | 0 | - | 4.99 | 247,258 |
| Asia Capital to Country | 0 | - | 4.96 | 125,602 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,263 |
| European Capitals by Map | 0 | - | 4.99 | 135,893 |
| African Capitals by Map | 0 | - | 4.99 | 132,034 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,948 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,060 |
