| US States Quiz | 0 | - | 5.00 | 17,022,490 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,885 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,819 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,184 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,432 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,456 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,510 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,558 |
| U.S. States By Population | 0 | - | 4.92 | 154,258 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,369 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,975 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,975 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,595 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,207 |
| US States with an Empty Map | 0 | - | 5.00 | 629,575 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,456 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,384 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,598 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,594 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,556 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,745 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,030 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,163 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,858 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,989 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,210 |
| Pixelated United States Map | 0 | - | 4.89 | 94,933 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,743 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,594 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,980 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,215 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,455 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,393 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,907 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,576 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,108 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,749 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,008 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,673 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,268 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,161 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,560 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,332 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,552 |
| New England States | 0 | - | 4.51 | 59,913 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,115 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,138 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,220 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,336 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,186 |
| U.S. States by Borders | 0 | - | 4.61 | 35,514 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,719 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,396 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,190 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,166 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,682 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,509 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,981 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,196 |
| States of Mexico | 0 | - | 4.96 | 178,744 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,776 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,115 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,290 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,436 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,914 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,297 |
| History of Pennsylvania | 0 | - | 4.16 | 7,173 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,917 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,477 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,344 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,715 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,785 |
| Georgia ... or Georgia? | 0 | - | 4.68 | 77,097 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,868 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,799 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,697 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,294 |
| United States Country Quiz | 0 | - | 4.43 | 102,339 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,101 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,148 |
| California Groups of Things | 0 | - | 4.26 | 45,804 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,328 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,245 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,203 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,939 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,680 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,520 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,639 |
| New York Groups of Things | 0 | - | 4.39 | 72,371 |
| Famous Missourians | 0 | - | 4.12 | 6,439 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,371 |
| Famous People from Texas by Picture | 0 | - | 4.00 | 33,479 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,754 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,583 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,497 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,295 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,868 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,107 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,580 |
| Flyover States | 0 | - | 4.53 | 29,615 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,302 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,455 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,668 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,653 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,257 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,148 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,562 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,319 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,200 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,607 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,737 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,488 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,184 |
| Regions of U.S. States | 0 | - | 4.37 | 44,254 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,430 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,641 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,943 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,481 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,208 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,384 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,481 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,822 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,660 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,840 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,380 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,122 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,009 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,533 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,292 |
| Geography of California | 0 | - | 4.26 | 10,750 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,718 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,695 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,977 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,864 |
| History of Virginia | 0 | - | 4.33 | 11,647 |
| Washington State by Picture | 0 | - | 4.26 | 7,763 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,921 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,983 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,264 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,136 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,469 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,996 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,584 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,850 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,559 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,385 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,364 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,156 |
| Flags of North and South America | 0 | - | 4.99 | 378,132 |
| Belize Country Quiz | 0 | - | 4.85 | 21,117 |
| Top U.S. Universities | 0 | - | 4.15 | 145,982 |
| Largest United States Airlines | 0 | - | 4.39 | 55,184 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,038 |
| U.S. States by Governor | 0 | - | 4.43 | 18,122 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,783 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,804 |
| Los Angeles vs. New York | 0 | - | 4.41 | 20,072 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,573 |
| Events in U.S. History | 0 | - | 4.41 | 28,858 |
| U.S. State Symbols | 0 | - | 4.38 | 24,353 |
| U.S. State Flags | 0 | - | 4.89 | 173,448 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,884 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,049 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,566 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,652 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 15,000 |
| U.S. Panhandles | 0 | - | 4.21 | 27,263 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,832 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,711 |
| Hated U.S. States | 0 | - | 4.16 | 14,289 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,686 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,741 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,699 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,460 |
| U.S. Geography by Letter - P | 0 | - | 4.40 | 54,613 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,778 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,726 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,868 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,072 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,806 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,046 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,762 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,331 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,913 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,496 |
| American Founding Fathers | 0 | - | 4.42 | 23,285 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,364 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,964 |
| Famous People from Florida by Picture | 0 | - | 3.86 | 19,844 |
| Movies Set in Miami | 0 | - | 4.32 | 16,722 |
| Famous People from Georgia by Picture | 0 | - | 3.67 | 22,157 |
| Famous People from Iowa | 0 | - | 3.79 | 7,292 |
| Famous Kentuckians Quiz | 0 | - | 3.88 | 5,834 |
| Famous People from Louisiana by Picture | 0 | - | 3.94 | 16,566 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,802 |
| Famous People from Minnesota by Picture | 0 | - | 3.74 | 20,506 |
| New York City Geography | 0 | - | 4.43 | 33,202 |
| Famous People from Mississippi by Picture | 0 | - | 4.00 | 18,776 |
| Famous People from North Carolina by Picture | 0 | - | 3.72 | 15,097 |
