| US States Quiz | 0 | - | 5.00 | 16,722,645 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,476 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,863 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,488 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,528 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,821 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,074 |
| U.S. States By Population | 0 | - | 4.92 | 152,476 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,526 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,643 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,803 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,962 |
| Draw All US State Borders | 0 | - | 4.99 | 134,052 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,883 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,706 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,087 |
| US States with an Empty Map | 0 | - | 5.00 | 619,540 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,556 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,837 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,965 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,643 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,192 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,624 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,915 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,167 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,996 |
| New England States | 0 | - | 4.51 | 59,715 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,527 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,897 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,379 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,689 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,690 |
| U.S. States by Borders | 0 | - | 4.63 | 35,107 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,968 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,267 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,176 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,554 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,894 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,760 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,271 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,250 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,614 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,439 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,466 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,304 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,050 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,689 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,584 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,619 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,952 |
| Pixelated United States Map | 0 | - | 4.89 | 93,585 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,300 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,494 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,638 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,470 |
| Flyover States | 0 | - | 4.52 | 29,413 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,951 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,860 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,830 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,108 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,162 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,537 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,717 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,841 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,458 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,725 |
| Regions of U.S. States | 0 | - | 4.37 | 43,525 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,678 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,501 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,346 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,778 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,213 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,012 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,988 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,797 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,599 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,497 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,936 |
| States of Mexico | 0 | - | 4.95 | 173,679 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,426 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,902 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,720 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,546 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,740 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,930 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,286 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,834 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,699 |
| U.S. State Flags | 0 | - | 4.89 | 167,680 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,760 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,218 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,989 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,016 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,561 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,927 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,668 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,541 |
| US States and State Capitals | 0 | - | 4.99 | 158,917 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,463 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,100 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,237 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,941 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,072 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,587 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,145 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,785 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,405 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,681 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,521,084 |
| U.S. State Symbols | 0 | - | 4.38 | 24,259 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,836 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,456 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,953 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,531 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,854 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,764 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,695 |
| U.S. Panhandles | 0 | - | 4.21 | 27,076 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,736 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,246 |
| Hated U.S. States | 0 | - | 4.16 | 14,154 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,097 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,981 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,139 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,562 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,107 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,715 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,898 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,031 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,935 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,150 |
| Flags of North and South America | 0 | - | 4.99 | 368,158 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,043 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,402 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,956 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,756 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,624 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,038 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,819 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,640 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,850 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,487 |
| United States Country Quiz | 0 | - | 4.43 | 100,723 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,093 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,685 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,643 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,647 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,742 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,841 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,030 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,776 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 137,730 |
| Random U.S. City to State | 0 | - | 4.45 | 75,437 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,043 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,270 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,735 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,025 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,666,535 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,809 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,315 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,210 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,382,226 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,876 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,045 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,130 |
| Boroughs of New York City | 0 | - | 4.47 | 84,166 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,426 |
| The Only American Country ... | 0 | - | 4.92 | 120,862 |
| Belize Country Quiz | 0 | - | 4.85 | 20,826 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,074 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,953 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,024 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 619,506 |
| Movies by State | 0 | - | 4.27 | 40,454 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,960 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,946 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,345 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,162 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,695 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,476 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,092 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,320 |
| Largest United States Airlines | 0 | - | 4.39 | 54,859 |
| States of Brazil | 0 | - | 4.98 | 86,599 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,096 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,402 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,541 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,810 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,924 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,653 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,608 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,190 |
| ALL California Cities | 0 | - | 4.37 | 42,850 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,394 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,586 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,947 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,105 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,159 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,394 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,390 |
