| US States Quiz | 0 | - | 5.00 | 16,776,951 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,111 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,335 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,912 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,905 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,337 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,574 |
| U.S. States By Population | 0 | - | 4.92 | 152,778 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,874 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,160 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,947 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,973 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,251 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,309 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,073 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,491 |
| US States with an Empty Map | 0 | - | 5.00 | 621,300 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,004 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,828 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,652 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,746 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,505 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,823 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,986 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,399 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,195 |
| New England States | 0 | - | 4.51 | 59,755 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,628 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,948 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,556 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,815 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,787 |
| U.S. States by Borders | 0 | - | 4.63 | 35,189 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,847 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,360 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,809 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,998 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,226 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,021 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,223 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,555 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,693 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,583 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,589 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,361 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,103 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,771 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,746 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,989 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,235 |
| Pixelated United States Map | 0 | - | 4.89 | 93,806 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,382 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,544 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,717 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,493 |
| Flyover States | 0 | - | 4.52 | 29,445 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,013 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,964 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,993 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,425 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,396 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,812 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,119 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,939 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,007 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,058 |
| Regions of U.S. States | 0 | - | 4.37 | 43,648 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,976 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,519 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,358 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,811 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,241 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,062 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,213 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,079 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,686 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,721 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,176 |
| States of Mexico | 0 | - | 4.95 | 174,629 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,448 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,617 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,629 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,698 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,843 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,991 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,317 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,888 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,255 |
| U.S. State Flags | 0 | - | 4.89 | 168,762 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,620 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,263 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,024 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,079 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,714 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,966 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,593 |
| US States and State Capitals | 0 | - | 4.99 | 160,164 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,175 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,717 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,236 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,264 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,976 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,210 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,688 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,482 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,817 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,438 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,702 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,023 |
| U.S. State Symbols | 0 | - | 4.38 | 24,277 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,848 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,471 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,194 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,549 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,877 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,492 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,220 |
| U.S. Panhandles | 0 | - | 4.21 | 27,100 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,751 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,607 |
| Hated U.S. States | 0 | - | 4.16 | 14,181 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,104 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,522 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,370 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,853 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,320 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,975 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,193 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,795 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,112 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,592 |
| Flags of North and South America | 0 | - | 4.99 | 370,063 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,089 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,413 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,973 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,774 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,642 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,142 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,105 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,750 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,940 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,516 |
| United States Country Quiz | 0 | - | 4.43 | 101,025 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,125 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,786 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,721 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,759 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,915 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,871 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,150 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,918 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,069 |
| Random U.S. City to State | 0 | - | 4.45 | 75,663 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,103 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,437 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,132 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,435 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,671,663 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,969 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,458 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,246 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,248 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,079 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,087 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,150 |
| Boroughs of New York City | 0 | - | 4.47 | 84,323 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,719 |
| The Only American Country ... | 0 | - | 4.92 | 121,159 |
| Belize Country Quiz | 0 | - | 4.85 | 20,876 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,114 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,159 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,197 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 622,194 |
| Movies by State | 0 | - | 4.27 | 40,491 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,316 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,155 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,367 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,450 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,743 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,646 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,382 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,795 |
| Largest United States Airlines | 0 | - | 4.39 | 54,921 |
| States of Brazil | 0 | - | 4.97 | 87,129 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,368 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,707 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,784 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,009 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,245 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,060 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,824 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,312 |
| ALL California Cities | 0 | - | 4.37 | 42,929 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,425 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,889 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,978 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,189 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,822 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,498 |
