| US States Quiz | 0 | - | 5.00 | 16,714,208 |
| US States with an Empty Map | 0 | - | 5.00 | 619,295 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,387 |
| Draw All US State Borders | 0 | - | 4.99 | 133,896 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,812 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,661 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,031 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,864 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,147 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,816 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,434 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,487 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,749 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,008 |
| U.S. States By Population | 0 | - | 4.92 | 152,434 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,481 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,909 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,606 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,790 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,938 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,498 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,672 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,625 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,577 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,902 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,137 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,975 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,620 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,639 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,930 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,737 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,574 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,481 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,834 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,712 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,136 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,159 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,296 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,602 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,417 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,452 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,294 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,046 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,677 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,480 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,553 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,920 |
| Pixelated United States Map | 0 | - | 4.89 | 93,548 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,423 |
| New England States | 0 | - | 4.51 | 59,713 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,511 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,891 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,366 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,622 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,427 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,675 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,679 |
| U.S. States by Borders | 0 | - | 4.63 | 35,093 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,521 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,799 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,726 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,259 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,163 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,294 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,490 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,058 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,128 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,488 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,670 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,825 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,520,176 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,269 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,810 |
| Regions of U.S. States | 0 | - | 4.37 | 43,500 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,499 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,343 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,770 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,204 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,005 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,282 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,448 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,885 |
| U.S. State Flags | 0 | - | 4.89 | 167,427 |
| States of Mexico | 0 | - | 4.95 | 173,520 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,636 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,665,675 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,381,392 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,626 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,467 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,839 |
| Flyover States | 0 | - | 4.52 | 29,408 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,941 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,846 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,208 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,984 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,035 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,925 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,824 |
| US States and State Capitals | 0 | - | 4.99 | 158,798 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,427 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,042 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,101 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,685 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,635 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,545 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,921 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,663 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,534 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,907 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,079 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,236 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,934 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,052 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,556 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,776 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,400 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,671 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,851 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,777 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,622 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,828 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,933 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,483 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,905 |
| United States Country Quiz | 0 | - | 4.43 | 100,677 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,084 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,681 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,327 |
| Flags of North and South America | 0 | - | 4.99 | 367,841 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,673 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,621 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,633 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,039 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,400 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,952 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,649 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,717 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,445 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,215 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,751 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,623 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,348 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,454 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,112 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,437 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,573 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,754 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,713 |
| Random U.S. City to State | 0 | - | 4.45 | 75,417 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,034 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,246 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,566 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,964 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,658 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,180 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,205 |
| U.S. State Symbols | 0 | - | 4.38 | 24,257 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,834 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,452 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,114 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,551 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,531 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,852 |
| U.S. Panhandles | 0 | - | 4.21 | 27,073 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,734 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,244 |
| Hated U.S. States | 0 | - | 4.16 | 14,151 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,095 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,006 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,827 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,044 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,128 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,400 |
| The Only American Country ... | 0 | - | 4.92 | 120,826 |
| Belize Country Quiz | 0 | - | 4.85 | 20,818 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,066 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,704 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,921 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,999 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 619,147 |
| Movies by State | 0 | - | 4.27 | 40,449 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,762 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,901 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,564 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,157 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,014 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,341 |
| Boroughs of New York City | 0 | - | 4.47 | 84,141 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,140 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,681 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,429 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,276 |
| Largest United States Airlines | 0 | - | 4.39 | 54,850 |
| States of Brazil | 0 | - | 4.98 | 86,478 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,041 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,939 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,200 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,223 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,371 |
| U.S. States with the Most National Parks | 0 | - | 4.64 | 25,434 |
