| Random U.S. States on a Map | 0 | - | 4.96 | 625,006 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,867 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 129,124 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,268 |
| US States Quiz | 0 | - | 5.00 | 16,830,396 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,326 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,574 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,040 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,272 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,380 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,829 |
| US States with an Empty Map | 0 | - | 5.00 | 623,220 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,635 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,420 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,157 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,199 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,684 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,955 |
| U.S. States By Population | 0 | - | 4.92 | 152,998 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,180 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,373 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,121 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,455 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,765 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,505 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,041 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,419 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,110 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,369 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,319 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,783 |
| Vietnam War Countries | 0 | - | 4.83 | 94,069 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,595 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,225 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,335 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,718 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,375 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,416 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,884 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,475 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,390 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,823 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,795 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,006 |
| U.S. State Flags | 0 | - | 4.89 | 169,707 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,518 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,803 |
| U.S. Senators by State | 0 | - | 4.45 | 39,905 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,320 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,354 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,741 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,588 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,317 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,829 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,628 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,480 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,530 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,313 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,185 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,337 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,506 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,782 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,040 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.54 | 18,234 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.54 | 28,885 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,793 |
| Pixelated United States Map | 0 | - | 4.87 | 94,064 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,752 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,746 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,660 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,387 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,011 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,609 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,069 |
| Which City in California? | 0 | - | 4.56 | 31,998 |
| South China Sea Countries | 0 | - | 4.78 | 57,653 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,131 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,156 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,097 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,097 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,969 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,529 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,288 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,142 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 301,961 |
| Merged U.S. States | 0 | - | 4.37 | 44,085 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,098 |
| Rivers of the United States | 0 | - | 4.93 | 66,068 |
| U.S. States with Shortest Maximum Distances to the Ocean | 0 | - | 4.66 | 20,952 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,604 |
| North Dakota... or South Dakota? | 0 | - | 4.45 | 13,710 |
| New England States | 0 | - | 4.51 | 59,782 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,005 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,745 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,982 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,685 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,913 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,872 |
| U.S. States by Borders | 0 | - | 4.61 | 35,256 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,033 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,272 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,425 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,940 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,173 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,571 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,973 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,566 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,115 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,340 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,617 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,757 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,719 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,353 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,384 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,888 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,401 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,821 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,354 |
| California A-Z | 0 | - | 4.49 | 28,773 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,065 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,776 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,944 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,812 |
| US States and State Capitals | 0 | - | 4.99 | 161,242 |
| New York City A-Z | 0 | - | 4.18 | 32,275 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,292 |
| Countries of Africa | 0 | - | 5.00 | 2,529,905 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,977 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,803 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,119 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,633 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,787 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,461 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,541 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,558 |
| Asia Map Quiz | 0 | - | 4.99 | 914,393 |
| Australia Map Quiz | 0 | - | 4.95 | 343,816 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,934 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,768 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,437 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,568 |
| Hawaiian Islands | 0 | - | 4.83 | 42,651 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,480 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,744 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,709 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,390 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,291 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,022 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,699 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,433 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,145 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,126 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,853 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,465 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,732 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,476 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,980 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,845 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,659 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,429 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,920 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,974 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,737 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,895 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,955 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,467 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,593 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,089 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,353 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,687 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,255 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,677 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,667 |
| State Quiz - Florida | 0 | - | 4.47 | 62,232 |
| State Quiz - Texas | 0 | - | 4.43 | 62,785 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,741 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,234 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,501 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,414 |
| State Quiz - New York | 0 | - | 4.52 | 46,018 |
| State Quiz - Washington | 0 | - | 4.45 | 36,357 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,335 |
| State Quiz - California | 0 | - | 4.68 | 64,312 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,984 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,654 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,089 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,925 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,110 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,858 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,378 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,115 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,779 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,391 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,807 |
| Name a City - European Countries | 0 | - | 4.90 | 65,183 |
| Europe Capital to Country | 0 | - | 4.99 | 249,544 |
