| US States Quiz | 0 | - | 5.00 | 16,926,377 |
| US States with an Empty Map | 0 | - | 5.00 | 626,248 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,879 |
| Draw All US State Borders | 0 | - | 4.99 | 138,895 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,445 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,886 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,573 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,553 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,384 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,163 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,767 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,705 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,392 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,708 |
| U.S. States By Population | 0 | - | 4.92 | 153,776 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,770 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,617 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,552 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,345 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,819 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,012 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,592 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,933 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,982 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,343 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,198 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,977 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,628 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,969 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,699 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,365 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,007 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,032 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,284 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,089 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,918 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,004 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,151 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,382 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,858 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,957 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,909 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,544 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,254 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,003 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,508 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,003 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,038 |
| Pixelated United States Map | 0 | - | 4.88 | 94,498 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,519 |
| New England States | 0 | - | 4.51 | 59,840 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,915 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,044 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,935 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,568 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,252 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,135 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,017 |
| U.S. States by Borders | 0 | - | 4.61 | 35,386 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,175 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,640 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,124 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,553 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,160 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,590 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,680 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,367 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,016 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,749 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,897 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,251 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,997 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,083 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,216 |
| Regions of U.S. States | 0 | - | 4.37 | 44,002 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,606 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,402 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,882 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,326 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,158 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,417 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,305 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,207 |
| U.S. State Flags | 0 | - | 4.89 | 171,442 |
| States of Mexico | 0 | - | 4.96 | 176,904 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,679 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,027 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,302 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,931 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,541 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,932 |
| Flyover States | 0 | - | 4.52 | 29,541 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,183 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,270 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,391 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,138 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,246 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,123 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,050 |
| US States and State Capitals | 0 | - | 4.99 | 163,676 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,464 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,638 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,276 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,701 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,264 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,528 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,699 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,159 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,080 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,816 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,729 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,122 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,006 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,330 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,083 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,571 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,934 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,914 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,530 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,798 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,444 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,875 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,045 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,180 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,122 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,618 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,565 |
| United States Country Quiz | 0 | - | 4.43 | 101,771 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,219 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,837 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,492 |
| Flags of North and South America | 0 | - | 4.99 | 374,589 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,076 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,975 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,079 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,205 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,459 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,027 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,231 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,423 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,813 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,605 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,813 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,683 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,017 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,868 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,361 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,871 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,748 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,266 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,813 |
| Random U.S. City to State | 0 | - | 4.45 | 76,596 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,344 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,888 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,913 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,913 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,712 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,166 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,402 |
| U.S. State Symbols | 0 | - | 4.38 | 24,324 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,871 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,531 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,464 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,625 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,601 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,940 |
| U.S. Panhandles | 0 | - | 4.21 | 27,191 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,794 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,692 |
| Hated U.S. States | 0 | - | 4.16 | 14,236 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,145 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,280 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,515 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,188 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,320 |
| The Only American Country ... | 0 | - | 4.92 | 121,852 |
| Belize Country Quiz | 0 | - | 4.85 | 21,023 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,249 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,253 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,645 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,637 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,585 |
| Movies by State | 0 | - | 4.27 | 40,572 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,471 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,586 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,645 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,256 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Boroughs of New York City | 0 | - | 4.47 | 84,733 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,428 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,873 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,281 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,773 |
| Largest United States Airlines | 0 | - | 4.39 | 55,083 |
| States of Brazil | 0 | - | 4.97 | 88,727 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,239 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,147 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,462 |
