| US States Quiz | 0 | - | 5.00 | 16,693,471 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,360 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,299 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,068 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,838 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,627 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,016 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,533 |
| US States with an Empty Map | 0 | - | 5.00 | 618,580 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,661 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,541 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,208 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,881 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,620 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,605 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,683 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,321 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,371 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,611 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,868 |
| U.S. States By Population | 0 | - | 4.92 | 152,328 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,359 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,837 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,521 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,746 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,858 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,510 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,873 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,308 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,780 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,297 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,712 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,790 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,796 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,833 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,392 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,762 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,386 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,663 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,419 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,814 |
| Pixelated United States Map | 0 | - | 4.89 | 93,439 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,270 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,410 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,074 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,391 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,559 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,871 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,045 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,372 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,511 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,564 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,368 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,009 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,225 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,926 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,270 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,022 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,653 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,533 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,411 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 51,165 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 38,674 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,449 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,674 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,263 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,468 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,376 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,757 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,634 |
| States of Mexico | 0 | - | 4.95 | 173,275 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,554 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,468 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,301 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,620 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,654 |
| U.S. States by Borders | 0 | - | 4.63 | 35,060 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,446 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,228 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,123 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,982 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,007 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,304 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,729 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,305 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,327 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,323 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,171 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,830 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,879 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,847 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,065 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,457 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,055 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,647 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,809 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,194 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,510 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,903 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,653 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,518 |
| Regions of U.S. States | 0 | - | 4.37 | 43,458 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,491 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,014 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,338 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,762 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,195 |
| Movies by State | 0 | - | 4.27 | 40,438 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,705 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,670 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,583 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,790 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,918 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,832 |
| United States Country Quiz | 0 | - | 4.43 | 100,543 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| Flags of North and South America | 0 | - | 4.99 | 366,797 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,638 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,590 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,922 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,639 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,829 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,812 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,692 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,652 |
| Random U.S. City to State | 0 | - | 4.45 | 75,296 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,176 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,085 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,799 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,911 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,527 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,072 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,193 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,007 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,726 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,596 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,461 |
| Flyover States | 0 | - | 4.52 | 29,387 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,905 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,793 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,189 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,972 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,980 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,676 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,410 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,052 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,040 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,782 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,031 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,120 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,312 |
| The Only American Country ... | 0 | - | 4.92 | 120,721 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,233 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,017 |
| Belize Country Quiz | 0 | - | 4.85 | 20,796 |
| U.S. State Flags | 0 | - | 4.89 | 166,968 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,841 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,932 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,346 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,079 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,990 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 42,818 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,795 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,143 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,003 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Boroughs of New York City | 0 | - | 4.47 | 84,077 |
| UK Immigration by Country | 0 | - | 4.94 | 139,560 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,054 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,366 |
| Largest United States Airlines | 0 | - | 4.39 | 54,832 |
| States of Brazil | 0 | - | 4.98 | 86,322 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,907 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,025 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,010 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,395 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,942 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,746 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,613 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,463 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,441 |
| Musical Acts by State | 0 | - | 4.05 | 19,555 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,226 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,423 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,695 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,738 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,440 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,502 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,130 |
| ALL California Cities | 0 | - | 4.36 | 42,810 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,386 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,411 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,783 |
