| US States Quiz | 0 | - | 5.00 | 16,964,429 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,285 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,825 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,043 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,059 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,707 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,064 |
| U.S. States By Population | 0 | - | 4.92 | 153,979 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,015 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,769 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,735 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,968 |
| Draw All US State Borders | 0 | - | 4.99 | 140,003 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,809 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,127 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,920 |
| US States with an Empty Map | 0 | - | 5.00 | 627,569 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,418 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,437 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,064 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,216 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,670 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,302 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,933 |
| New England States | 0 | - | 4.51 | 59,876 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,000 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,093 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,041 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,228 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,088 |
| U.S. States by Borders | 0 | - | 4.61 | 35,434 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,103 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,642 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,269 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,654 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,347 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,176 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,850 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,345 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,899 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,052 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,010 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,585 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,301 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,077 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,623 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,303 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,261 |
| Pixelated United States Map | 0 | - | 4.88 | 94,663 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,637 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,724 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,005 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,555 |
| Flyover States | 0 | - | 4.52 | 29,576 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,224 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,350 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,289 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,772 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,243 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,993 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,350 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,187 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,989 |
| Regions of U.S. States | 0 | - | 4.37 | 44,106 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,962 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,619 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,406 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,921 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,348 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,192 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,700 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,318 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,145 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,476 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,447 |
| States of Mexico | 0 | - | 4.96 | 177,681 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,545 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,725 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,765 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,310 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,228 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,186 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,458 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,089 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,034 |
| U.S. State Flags | 0 | - | 4.89 | 172,228 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,238 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,434 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,167 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,405 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,255 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,109 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,759 |
| US States and State Capitals | 0 | - | 4.99 | 164,677 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,547 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,894 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,131 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,348 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,106 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,003 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,165 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,519 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,946 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,557 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,821 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,483 |
| U.S. State Symbols | 0 | - | 4.38 | 24,337 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,880 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,550 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,957 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,614 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,965 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,066 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,309 |
| U.S. Panhandles | 0 | - | 4.21 | 27,224 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,811 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,699 |
| Hated U.S. States | 0 | - | 4.16 | 14,257 |
| U.S. States by Haiku | 0 | - | 4.24 | 16,099 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,518 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,575 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,762 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,565 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,903 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,504 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,821 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,261 |
| Flags of North and South America | 0 | - | 4.99 | 375,943 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,230 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,472 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,045 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,838 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,700 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,523 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,627 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,142 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,254 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,647 |
| United States Country Quiz | 0 | - | 4.43 | 102,023 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,263 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,155 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,027 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,174 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,543 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,955 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,890 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,351 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,923 |
| Random U.S. City to State | 0 | - | 4.45 | 76,770 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,400 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,029 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,055 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,266 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,232 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,826 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,263 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,492 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,956 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,651 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,214 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,239 |
| Boroughs of New York City | 0 | - | 4.47 | 84,870 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,518 |
| The Only American Country ... | 0 | - | 4.92 | 122,065 |
| Belize Country Quiz | 0 | - | 4.85 | 21,061 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,286 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,777 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 633,475 |
| Movies by State | 0 | - | 4.27 | 40,593 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,500 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,705 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,643 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,907 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,445 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,153 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,060 |
| Largest United States Airlines | 0 | - | 4.39 | 55,127 |
| States of Brazil | 0 | - | 4.97 | 89,262 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,566 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,876 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,837 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,086 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,296 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,885 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,766 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,670 |
| ALL California Cities | 0 | - | 4.37 | 43,192 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,190 |
