| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,065 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,720 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,290 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,007 |
| US States with an Empty Map | 0 | - | 5.00 | 629,702 |
| US States Quiz | 0 | - | 5.00 | 17,026,526 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,847 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,736 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,595 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,121 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,924 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,914 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,473 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,218 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,461 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,475 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,547 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,602 |
| U.S. States By Population | 0 | - | 4.92 | 154,273 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,397 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,996 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,997 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,609 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,226 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,231 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,647 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,428 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,473 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,636 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 65,065 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,490 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,108 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,848 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,228 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,405 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,391 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,483 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,210 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,324 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,493 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,583 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,107 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,609 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,367 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,773 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,622 |
| Pixelated United States Map | 0 | - | 4.89 | 94,958 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,932 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,128 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,417 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,712 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,895 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,378 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,855 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,384 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,426 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,939 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,466 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,997 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,586 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,853 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,063 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,298 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,494 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,352 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,720 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,788 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,517 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,823 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,971 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,804 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,549 |
| U.S. State Flags | 0 | - | 4.88 | 173,558 |
| States of Mexico | 0 | - | 4.96 | 178,824 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,109 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,580 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.48 | 26,502 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,404 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,112 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,222 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,895 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,834 |
| New England States | 0 | - | 4.51 | 59,915 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,119 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,139 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,236 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,344 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,192 |
| U.S. States by Borders | 0 | - | 4.61 | 35,517 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,725 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,409 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,486 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,796 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,214 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,222 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,784 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,727 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,669 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,681 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,879 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,988 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,202 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,578 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,388 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,138 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,180 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,689 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,552 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,198 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,185 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,189 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,331 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,785 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,883 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,730 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,074 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,667 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,007 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,297 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,352 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,336 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,287 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,701 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,921 |
| United States Country Quiz | 0 | - | 4.43 | 102,368 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,297 |
| Flags of North and South America | 0 | - | 4.99 | 378,296 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,265 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,108 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,250 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,765 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,983 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,165 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,523 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,133 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,766 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,100 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,140 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,206 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,122 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,581 |
| Flyover States | 0 | - | 4.53 | 29,619 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,309 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,464 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,056 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.25 | 25,938 |
| Random U.S. City to State | 0 | - | 4.45 | 77,047 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,740 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,012 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,794 |
| Monarchies of Europe | 0 | - | 4.90 | 99,057 |
| Monarchies of Asia | 0 | - | 4.97 | 71,623 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,368 |
| The Only American Country ... | 0 | - | 4.92 | 122,367 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,779 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,845 |
| Belize Country Quiz | 0 | - | 4.85 | 21,122 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,084 |
| Regions of U.S. States | 0 | - | 4.37 | 44,269 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,973 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,162 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,612 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,565 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,642 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,432 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,947 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 637,535 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,388 |
| Movies by State | 0 | - | 4.27 | 40,621 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,408 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,323 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,588 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,622 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,954 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,944 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,920 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,202 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,708 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,675 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,202 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,916 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,824 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,689 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,136 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,452 |
| Boroughs of New York City | 0 | - | 4.47 | 85,437 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,012 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,510 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,792 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,095 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,982 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,822 |
| Brazil States Map Quiz | 0 | - | 4.87 | 48,747 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,924 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,566 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,347 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,732 |
| Largest United States Airlines | 0 | - | 4.39 | 55,187 |
| States of Brazil | 0 | - | 4.98 | 90,088 |
