| US States Quiz | 0 | - | 5.00 | 16,394,574 |
| US States with an Empty Map | 0 | - | 5.00 | 609,484 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 187,504 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 165,147 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 99,140 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 80,480 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 91,910 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 45,786 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 361,837 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 129,218 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 203,504 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 121,714 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 122,684 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 92,616 |
| Top 10 Most Native American U.S. States | 0 | - | 4.86 | 89,107 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 60,829 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 114,896 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 108,402 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 110,483 |
| U.S. States with Short Names | 0 | - | 4.91 | 145,308 |
| U.S. States that Start with M | 0 | - | 4.93 | 183,525 |
| U.S. States By Population | 0 | - | 4.90 | 139,772 |
| U.S. States that Start with N | 0 | - | 4.95 | 168,027 |
| U.S. States with Longest Names | 0 | - | 4.84 | 42,746 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 86,059 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 62,880 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 63,627 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 93,271 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,262 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 139,808 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 89,308 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 78,770 |
| Total United States Immigration by Country | 0 | - | 4.90 | 108,302 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 233,913 |
| U.S. National Parks Quiz | 0 | - | 4.83 | 53,456 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 320,802 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 105,956 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 88,984 |
| Pixelated United States Map | 0 | - | 4.90 | 91,801 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 43,421 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 102,673 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 70,593 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 143,461 |
| Countries that Beat the United States | 0 | - | 4.93 | 162,539 |
| 10 Longest Rivers in the United States | 0 | - | 4.84 | 38,223 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 67,911 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,186 |
| Longest U.S. State Borders | 0 | - | 4.64 | 38,557 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,072 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,079 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,756 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 64,610 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 64,799 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 54,728 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,554 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,165 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,472 |
| U.S. License Plates Picture Quiz | 0 | - | 4.58 | 52,081 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,052 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 46,988 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,254 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 49,322 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 36,676 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 75,530 |
| Name a Valid U.S. State #3 | 0 | - | 4.77 | 47,811 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 86,638 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,077 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,023 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 63,738 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 33,675 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 62,651 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,243 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 86,883 |
| Mexico States Map Quiz | 0 | - | 4.84 | 101,529 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 56,834 |
| States of Mexico | 0 | - | 4.95 | 167,440 |
| New England States | 0 | - | 4.51 | 59,489 |
| U.S. States by Land Area | 0 | - | 4.62 | 51,787 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,686 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 81,490 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,711 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 54,958 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 40,233 |
| U.S. States by Borders | 0 | - | 4.62 | 34,677 |
| Save Americans by Guessing U.S. States | 0 | - | 4.53 | 177,158 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 55,751 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 100,421 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.40 | 126,494 |
| Countries Closest to Canada | 0 | - | 4.90 | 195,492 |
| United States Map Quiz | 0 | - | 4.98 | 4,113,493 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,488,573 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 80,825 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 157,000 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 175,780 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 122,886 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.84 | 68,252 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 84,651 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 65,565 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,655,497 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 112,740 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,575 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,370 |
| Regions of U.S. States | 0 | - | 4.28 | 35,894 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,344 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,271 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,580 |
| Movies by State | 0 | - | 4.24 | 40,280 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,133 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 148,113 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 39,986 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 32,322 |
| Countries with American Expatriates | 0 | - | 4.55 | 42,246 |
| Countries that Beat Canada | 0 | - | 4.90 | 85,658 |
| United States Country Quiz | 0 | - | 4.44 | 98,811 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,852 |
| Flags of North and South America | 0 | - | 4.99 | 349,173 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 59,025 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 76,097 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,611 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 492,491 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 37,629 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,568 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,126 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,259 |
| U.S. States With No City Over 100,000 | 0 | - | 4.55 | 17,493 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 136,570 |
| Random U.S. City to State | 0 | - | 4.44 | 73,597 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 42,169 |
| South America Capitals Quiz | 0 | - | 5.00 | 469,925 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,636,363 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 66,993 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 50,913 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 66,838 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 117,486 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,363,056 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,016 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.51 | 21,339 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,451 |
| Flyover States | 0 | - | 4.52 | 29,179 |
| U.S. States With Double Letters | 0 | - | 4.59 | 23,508 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,144 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 38,922 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,737 |
| People by U.S. State - Multiple Choice | 0 | - | 4.06 | 9,747 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 45,709 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 127,370 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 57,839 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,968 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 30,007 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 118,860 |
| The Only American Country ... | 0 | - | 4.92 | 118,539 |
| Belize Country Quiz | 0 | - | 4.84 | 20,502 |
| U.S. State Flags | 0 | - | 4.88 | 161,925 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 73,218 |
| U.S. State Border Crossings | 0 | - | 4.97 | 94,513 |
| U.S. States that Border Canada | 0 | - | 4.91 | 177,054 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 64,640 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,344 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 244,623 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,413 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,963 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 25,856 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 31,607 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,165 |
| Boroughs of New York City | 0 | - | 4.46 | 82,812 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 89,934 |
| Brazil States Map Quiz | 0 | - | 4.85 | 46,118 |
| Largest United States Airlines | 0 | - | 4.39 | 54,372 |
| States of Brazil | 0 | - | 4.98 | 83,319 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 50,670 |
| Top Producing U.S. States | 0 | - | 4.24 | 30,759 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 35,725 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 86,185 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,294 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,791 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,649 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,509 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 214,606 |
| Category Elimination - U.S. States #2 | 0 | - | 4.81 | 129,374 |
| Musical Acts by State | 0 | - | 4.05 | 19,492 |
| American Geography Quiz for Dummies | 0 | - | 4.40 | 64,701 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 156,076 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,983 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 77,318 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 38,572 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 112,812 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 60,209 |
| U.S. Cities Chain | 0 | - | 4.21 | 34,380 |
| ALL California Cities | 0 | - | 4.35 | 42,261 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,260 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 127,155 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,499 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.77 | 53,924 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,608 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 87,560 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 75,187 |
| Countries Closest to the U. S. | 0 | - | 4.40 | 204,752 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 105,705 |
| Colombia Country Quiz | 0 | - | 4.90 | 39,569 |
| Canada Country Quiz | 0 | - | 4.53 | 129,993 |
