| US States Quiz | 0 | - | 5.00 | 16,932,390 |
| US States with an Empty Map | 0 | - | 5.00 | 626,448 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,929 |
| Draw All US State Borders | 0 | - | 4.99 | 139,068 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,503 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,915 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,623 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,631 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,413 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,189 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,798 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,732 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,430 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,751 |
| U.S. States By Population | 0 | - | 4.92 | 153,812 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,803 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,636 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,579 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,357 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,839 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,048 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,694 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,954 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,989 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,358 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,210 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,005 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,651 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,996 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,731 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,398 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,049 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,052 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,325 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,127 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,966 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,139 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,177 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,634 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,867 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,979 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,923 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,551 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,258 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,013 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,067 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,053 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,073 |
| Pixelated United States Map | 0 | - | 4.88 | 94,521 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,526 |
| New England States | 0 | - | 4.51 | 59,851 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,924 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,050 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,953 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,584 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,329 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,148 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,025 |
| U.S. States by Borders | 0 | - | 4.62 | 35,396 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,194 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 186,861 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,132 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,568 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,179 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,601 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,690 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,490 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,049 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,785 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,951 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,265 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,547,071 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,253 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,224 |
| Regions of U.S. States | 0 | - | 4.37 | 44,021 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,607 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,403 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,888 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,330 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,165 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,423 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,328 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,273 |
| U.S. State Flags | 0 | - | 4.89 | 171,566 |
| States of Mexico | 0 | - | 4.96 | 177,096 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,759 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,680 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,579 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,936 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,544 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,937 |
| Flyover States | 0 | - | 4.52 | 29,547 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,192 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,285 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,401 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,138 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,252 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,132 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,058 |
| US States and State Capitals | 0 | - | 4.99 | 163,794 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,484 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,686 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,811 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,718 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,294 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,606 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,761 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,180 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,085 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,819 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,733 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,303 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,021 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,332 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,088 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,586 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,938 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,921 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,536 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,802 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,453 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,927 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,061 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,192 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,128 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,623 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,621 |
| United States Country Quiz | 0 | - | 4.43 | 101,814 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,224 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,847 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,498 |
| Flags of North and South America | 0 | - | 4.99 | 374,825 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,090 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,982 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,090 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,206 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,460 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,031 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,245 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,446 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,819 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,614 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,819 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,687 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,033 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,880 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,366 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,894 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,758 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,274 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,827 |
| Random U.S. City to State | 0 | - | 4.45 | 76,639 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,352 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,914 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,094 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,965 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,743 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,199 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,428 |
| U.S. State Symbols | 0 | - | 4.38 | 24,327 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,872 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,534 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,472 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,628 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,602 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,943 |
| U.S. Panhandles | 0 | - | 4.21 | 27,197 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,799 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,695 |
| Hated U.S. States | 0 | - | 4.16 | 14,240 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,145 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,285 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,527 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,198 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,347 |
| The Only American Country ... | 0 | - | 4.92 | 121,888 |
| Belize Country Quiz | 0 | - | 4.85 | 21,025 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,258 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,279 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,671 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,653 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,923 |
| Movies by State | 0 | - | 4.27 | 40,575 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,475 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,601 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,646 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,261 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Boroughs of New York City | 0 | - | 4.47 | 84,767 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,469 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,878 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,314 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,820 |
| Largest United States Airlines | 0 | - | 4.39 | 55,090 |
| States of Brazil | 0 | - | 4.97 | 88,834 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,280 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,156 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,476 |
