| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,608 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,571 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,873 |
| US States Quiz | 0 | - | 5.00 | 16,861,462 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,539 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,347 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,707 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,436 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,727 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,868 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,941 |
| US States with an Empty Map | 0 | - | 5.00 | 624,136 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,936 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,532 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,890 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,095 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,738 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,790 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,335 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,356 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,902 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,175 |
| U.S. States By Population | 0 | - | 4.92 | 153,497 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,364 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,405 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,242 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,184 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,574 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,951 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,759 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,109 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,114 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,730 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,288 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,743 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,691 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,052 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,109 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,731 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,723 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,557 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,780 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,896 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,695 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,872 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,488 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,764 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,570 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,696 |
| Pixelated United States Map | 0 | - | 4.87 | 94,211 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,071 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,116 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,511 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,623 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,369 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,078 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,222 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,810 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,971 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,343 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,160 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,150 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,783 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,786 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,614 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,298 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,038 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,763 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,462 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,171 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,905 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,376 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,490 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,979 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,004 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,053 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,116 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,677 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,091 |
| States of Mexico | 0 | - | 4.95 | 175,855 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,424 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,358 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,299 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,702 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,881 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,537,310 |
| New England States | 0 | - | 4.51 | 59,803 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,790 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,005 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,779 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,980 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,907 |
| U.S. States by Borders | 0 | - | 4.61 | 35,297 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,334 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,093 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,468 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,014 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,204 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,506 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,142 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,127 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,660 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,941 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,024 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,763 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,671 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,856 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,351 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,257 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,492 |
| Regions of U.S. States | 0 | - | 4.37 | 43,849 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,567 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,152 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,381 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,842 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,474 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,286 |
| Movies by State | 0 | - | 4.27 | 40,536 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,897 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,662 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,149 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,476 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,179 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,468 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,312 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,538 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,909 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,069 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,064 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,577 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,636 |
| United States Country Quiz | 0 | - | 4.43 | 101,458 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,168 |
| Flags of North and South America | 0 | - | 4.99 | 372,770 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,952 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,862 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,086 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,210 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,483 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,908 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,448 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,679,720 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,390,698 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,831 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,517 |
| Flyover States | 0 | - | 4.52 | 29,504 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,103 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,129 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,337 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,805 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,625 |
| Random U.S. City to State | 0 | - | 4.45 | 76,248 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,094 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,372 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,141 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,188 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,061 |
| Monarchies of Europe | 0 | - | 4.90 | 98,084 |
| Monarchies of Asia | 0 | - | 4.97 | 71,061 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,849 |
| The Only American Country ... | 0 | - | 4.92 | 121,543 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,216 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,097 |
| Belize Country Quiz | 0 | - | 4.85 | 20,963 |
| U.S. State Flags | 0 | - | 4.89 | 170,199 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,420 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,446 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,734 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,301 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,383 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,843 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,329 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,068 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,984 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,929 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,284 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,736 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,413 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,755 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,399 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,124 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,621 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,232 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,062 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,394 |
| Boroughs of New York City | 0 | - | 4.47 | 84,560 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,278 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,531 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,970 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,061 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,937 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,934 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,008 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,787 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,449 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,033 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,588 |
| Largest United States Airlines | 0 | - | 4.39 | 55,016 |
| States of Brazil | 0 | - | 4.97 | 87,904 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,844 |
