| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,610 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,577 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,875 |
| US States Quiz | 0 | - | 5.00 | 16,862,073 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,543 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,359 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,707 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,440 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,728 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,870 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,943 |
| US States with an Empty Map | 0 | - | 5.00 | 624,160 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,939 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,536 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,896 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,103 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,746 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,792 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,335 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,359 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,904 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,180 |
| U.S. States By Population | 0 | - | 4.92 | 153,499 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,368 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,408 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,244 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,187 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,575 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,953 |
| 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 | 64,731 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,288 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,745 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,693 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,057 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,109 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,735 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,724 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,560 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,793 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,897 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,702 |
| 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 | 32,765 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,573 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,701 |
| Pixelated United States Map | 0 | - | 4.87 | 94,215 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,075 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,118 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,512 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,623 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,370 |
| 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 | 38,223 |
| 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 | 17,972 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,347 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,187 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,151 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,784 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,788 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,641 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,299 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,038 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,764 |
| 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 | 55,173 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,906 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,377 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,490 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,980 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,005 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,054 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,118 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,678 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,094 |
| States of Mexico | 0 | - | 4.95 | 175,869 |
| 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 | 4,156,926 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,537,413 |
| 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 | 38,006 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,781 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,982 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,908 |
| U.S. States by Borders | 0 | - | 4.61 | 35,300 |
| 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 | 102,017 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,205 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,507 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,142 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,128 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,721 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,941 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,025 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,763 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,672 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,863 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,351 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,259 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,495 |
| 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 | 36,153 |
| 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 | 82,475 |
| 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 | 159,898 |
| 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 | 86,181 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,471 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,312 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,541 |
| 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 | 32,066 |
| 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 | 372,777 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,954 |
| 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 | 506,230 |
| 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 | 2,679,793 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,390,712 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,832 |
| 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 | 24,104 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,132 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,341 |
| 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 | 76,249 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,098 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,375 |
| 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 | 26,189 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,062 |
| Monarchies of Europe | 0 | - | 4.90 | 98,089 |
| Monarchies of Asia | 0 | - | 4.97 | 71,063 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,849 |
| The Only American Country ... | 0 | - | 4.92 | 121,546 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,241 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,098 |
| Belize Country Quiz | 0 | - | 4.85 | 20,963 |
| U.S. State Flags | 0 | - | 4.89 | 170,207 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,421 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,448 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,747 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,302 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,389 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,845 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,329 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,082 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,989 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,934 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,289 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,740 |
| 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 | 246,400 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,125 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,621 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,233 |
| 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 | 84,562 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,283 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,533 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,994 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,061 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,939 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,936 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,009 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,787 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,450 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,046 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,588 |
| Largest United States Airlines | 0 | - | 4.39 | 55,017 |
| States of Brazil | 0 | - | 4.97 | 87,908 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,844 |
