| US States Quiz | 0 | - | 5.00 | 16,709,633 |
| US States with an Empty Map | 0 | - | 5.00 | 619,137 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,359 |
| Draw All US State Borders | 0 | - | 4.99 | 133,812 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,788 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,641 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,003 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,829 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,124 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,789 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,413 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,461 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,728 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,976 |
| U.S. States By Population | 0 | - | 4.92 | 152,417 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,460 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,900 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,589 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,781 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,929 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,468 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,594 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,623 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,565 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,899 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,130 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,963 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,421 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,628 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,905 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,697 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,566 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,454 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,810 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,690 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,075 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,111 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,192 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,592 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,406 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,435 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,292 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,040 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,673 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,228 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,525 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,907 |
| Pixelated United States Map | 0 | - | 4.89 | 93,525 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,421 |
| New England States | 0 | - | 4.51 | 59,711 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,500 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,889 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,353 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,482 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,259 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,671 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,672 |
| U.S. States by Borders | 0 | - | 4.63 | 35,088 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,512 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,728 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,718 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,254 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,151 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,287 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,486 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,029 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,118 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,460 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,644 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,820 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,663 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,147 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,803 |
| Regions of U.S. States | 0 | - | 4.37 | 43,492 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,496 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,343 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,769 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,203 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,005 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,281 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,429 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,853 |
| U.S. State Flags | 0 | - | 4.89 | 167,275 |
| States of Mexico | 0 | - | 4.95 | 173,456 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,586 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,665,348 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,381,099 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,616 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,467 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,836 |
| Flyover States | 0 | - | 4.52 | 29,404 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,934 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,834 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,201 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,982 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,032 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,921 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,821 |
| US States and State Capitals | 0 | - | 4.99 | 158,717 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,399 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,609 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,085 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,652 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,601 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,528 |
| 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 | 34,533 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,758 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,064 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,236 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,933 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,043 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,538 |
| 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 | 38,398 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,671 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,736 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,754 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,612 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,818 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,932 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,482 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,886 |
| United States Country Quiz | 0 | - | 4.43 | 100,647 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,082 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,677 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,325 |
| Flags of North and South America | 0 | - | 4.99 | 367,683 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,665 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,614 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,626 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,034 |
| 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 | 38,639 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,711 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,442 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,205 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,750 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,622 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,336 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,445 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,106 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,431 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,569 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,741 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,707 |
| Random U.S. City to State | 0 | - | 4.45 | 75,401 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,029 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,233 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,477 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,932 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,552 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,090 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,203 |
| U.S. State Symbols | 0 | - | 4.38 | 24,256 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,834 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,451 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,112 |
| 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 | 27,072 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,732 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,244 |
| Hated U.S. States | 0 | - | 4.16 | 14,148 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,092 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,004 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,820 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,041 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,126 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,383 |
| The Only American Country ... | 0 | - | 4.92 | 120,801 |
| Belize Country Quiz | 0 | - | 4.85 | 20,811 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,062 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,683 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,905 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,985 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,978 |
| Movies by State | 0 | - | 4.27 | 40,446 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,655 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,874 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,563 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,155 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,013 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,341 |
| Boroughs of New York City | 0 | - | 4.47 | 84,129 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,126 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,679 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,415 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,259 |
| Largest United States Airlines | 0 | - | 4.39 | 54,845 |
| States of Brazil | 0 | - | 4.98 | 86,448 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,018 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,933 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,196 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,218 |
| 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 | 25,428 |
