| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,797 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,420 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,179 |
| US States Quiz | 0 | - | 5.00 | 16,985,335 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,547 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,907 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,408 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,995 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,123 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,138 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,769 |
| US States with an Empty Map | 0 | - | 5.00 | 628,265 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,984 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,220 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,504 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,106 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,437 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,003 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,204 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,225 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,278 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,290 |
| U.S. States By Population | 0 | - | 4.92 | 154,091 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,161 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,853 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,819 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,516 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,057 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,920 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,380 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,598 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,295 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,983 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,428 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,012 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,811 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,827 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,321 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,849 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,677 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,326 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,256 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,430 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,147 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,972 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,566 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,833 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,465 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,386 |
| Pixelated United States Map | 0 | - | 4.88 | 94,769 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,780 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,949 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,670 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,751 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,473 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,316 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,364 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,874 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,110 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,133 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,573 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,374 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,928 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,101 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,189 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,362 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,116 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,061 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,613 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,326 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,121 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,055 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,558 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,372 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,273 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,620 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,789 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,564 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,414 |
| States of Mexico | 0 | - | 4.96 | 178,052 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.48 | 26,483 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,394 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,984 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,083 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,400 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,554,484 |
| New England States | 0 | - | 4.51 | 59,891 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,035 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,111 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,119 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,267 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,127 |
| U.S. States by Borders | 0 | - | 4.62 | 35,462 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,456 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,179 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,671 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,321 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,432 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,664 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,193 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,206 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,995 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,580 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,126 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,856 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,780 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,691 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,597 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,050 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,800 |
| Regions of U.S. States | 0 | - | 4.37 | 44,162 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,628 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,258 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,417 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,928 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,025 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,362 |
| Movies by State | 0 | - | 4.27 | 40,605 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,634 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,169 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,643 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,798 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,621 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,956 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,578 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,754 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,177 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,291 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,209 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,669 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,865 |
| United States Country Quiz | 0 | - | 4.43 | 102,147 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,270 |
| Flags of North and South America | 0 | - | 4.99 | 376,612 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,188 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,049 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,209 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,857 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,720 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,963 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,490 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,692,138 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,900 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,048 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,561 |
| Flyover States | 0 | - | 4.53 | 29,586 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,252 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,385 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,946 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.25 | 25,913 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,756 |
| Random U.S. City to State | 0 | - | 4.45 | 76,834 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,699 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,744 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,227 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,252 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,610 |
| Monarchies of Europe | 0 | - | 4.90 | 98,799 |
| Monarchies of Asia | 0 | - | 4.97 | 71,475 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,252 |
| The Only American Country ... | 0 | - | 4.92 | 122,170 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,425 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,658 |
| Belize Country Quiz | 0 | - | 4.85 | 21,076 |
| U.S. State Flags | 0 | - | 4.89 | 172,729 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,906 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,855 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,532 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,492 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,877 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,297 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,529 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,633 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,767 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,243 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,352 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,638 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,509 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,866 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,773 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,525 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,665 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,296 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,103 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,435 |
| Boroughs of New York City | 0 | - | 4.47 | 85,271 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,602 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,274 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,081 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,803 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,731 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,716 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,545 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,893 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,541 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,948 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,691 |
| Largest United States Airlines | 0 | - | 4.39 | 55,145 |
| States of Brazil | 0 | - | 4.97 | 89,598 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,733 |
