| US States Quiz | 0 | - | 5.00 | 16,785,942 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,183 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,401 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,955 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,957 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,410 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,640 |
| U.S. States By Population | 0 | - | 4.92 | 152,818 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,928 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,190 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,979 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,002 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,294 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,391 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,127 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,558 |
| US States with an Empty Map | 0 | - | 5.00 | 621,559 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,061 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,996 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,850 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,756 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,556 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,850 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,003 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,438 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,215 |
| New England States | 0 | - | 4.51 | 59,759 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,656 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,954 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,577 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,839 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,794 |
| U.S. States by Borders | 0 | - | 4.63 | 35,205 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 184,143 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,374 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,839 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,090 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,276 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,085 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,419 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,598 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,701 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,603 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,617 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,375 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,116 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,782 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,940 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,045 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,287 |
| Pixelated United States Map | 0 | - | 4.89 | 93,848 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,395 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,549 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,725 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,497 |
| Flyover States | 0 | - | 4.52 | 29,450 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,016 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,982 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,007 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,477 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,437 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,862 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,192 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,958 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,236 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,145 |
| Regions of U.S. States | 0 | - | 4.37 | 43,668 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,019 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,524 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,358 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,813 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,246 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,064 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,247 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,106 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,705 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,755 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,208 |
| States of Mexico | 0 | - | 4.95 | 174,826 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,453 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,684 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,729 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,751 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,864 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,002 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,322 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,895 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,016 |
| U.S. State Flags | 0 | - | 4.89 | 168,967 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,746 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,273 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,035 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,093 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,729 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,974 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,717 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,604 |
| US States and State Capitals | 0 | - | 4.99 | 160,377 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,189 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,757 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,267 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,269 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,981 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,237 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,713 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,527 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,824 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,440 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,708 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,528,098 |
| U.S. State Symbols | 0 | - | 4.38 | 24,281 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,849 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,476 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,230 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,550 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,880 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,605 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,315 |
| U.S. Panhandles | 0 | - | 4.21 | 27,107 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,752 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,614 |
| Hated U.S. States | 0 | - | 4.16 | 14,188 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,107 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,568 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,394 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,895 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,342 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,000 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,223 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,463 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,138 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,816 |
| Flags of North and South America | 0 | - | 4.99 | 370,421 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,096 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,417 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,977 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,779 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,646 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,159 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,155 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,780 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,949 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,521 |
| United States Country Quiz | 0 | - | 4.43 | 101,077 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,133 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,806 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,741 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,779 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,943 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,878 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,170 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,938 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,095 |
| Random U.S. City to State | 0 | - | 4.45 | 75,784 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,121 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,464 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,361 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,497 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,672,788 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,989 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,475 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,254 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,888 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,100 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,090 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,158 |
| Boroughs of New York City | 0 | - | 4.47 | 84,351 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,752 |
| The Only American Country ... | 0 | - | 4.92 | 121,196 |
| Belize Country Quiz | 0 | - | 4.85 | 20,884 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,127 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,186 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,225 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 622,753 |
| Movies by State | 0 | - | 4.27 | 40,497 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,331 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,187 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,370 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,489 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,747 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,683 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,141 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,841 |
| Largest United States Airlines | 0 | - | 4.39 | 54,930 |
| States of Brazil | 0 | - | 4.97 | 87,202 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,402 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,755 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,832 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,049 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,301 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,138 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,862 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,330 |
| ALL California Cities | 0 | - | 4.37 | 42,941 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,427 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,947 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,989 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,213 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,130 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,513 |
