| US States Quiz | 0 | - | 5.00 | 16,770,501 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,063 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,289 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,873 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,870 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,289 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,530 |
| U.S. States By Population | 0 | - | 4.92 | 152,749 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,846 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,147 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,908 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,962 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,224 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,252 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,042 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,446 |
| US States with an Empty Map | 0 | - | 5.00 | 621,099 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,944 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,726 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,507 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,734 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,469 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,803 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,982 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,370 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,177 |
| New England States | 0 | - | 4.51 | 59,752 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,620 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,942 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,538 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,804 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,776 |
| U.S. States by Borders | 0 | - | 4.63 | 35,181 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,735 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,354 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,788 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,942 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,203 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,973 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,091 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,527 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,685 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,563 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,570 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,358 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,101 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,763 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,569 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,939 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,202 |
| Pixelated United States Map | 0 | - | 4.89 | 93,779 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,373 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,538 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,707 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,485 |
| Flyover States | 0 | - | 4.52 | 29,444 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,003 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,961 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,981 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,390 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,371 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,779 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,084 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,924 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,854 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,035 |
| Regions of U.S. States | 0 | - | 4.37 | 43,635 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,947 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,518 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,356 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,811 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,239 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,053 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,185 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,040 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,677 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,697 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,133 |
| States of Mexico | 0 | - | 4.95 | 174,469 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,445 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,575 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,556 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,673 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,828 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,983 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,316 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,883 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,594 |
| U.S. State Flags | 0 | - | 4.89 | 168,625 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,533 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,259 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,019 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,075 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,692 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,961 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,707 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,587 |
| US States and State Capitals | 0 | - | 4.99 | 160,052 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,162 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,678 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,223 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,263 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,971 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,198 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,678 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,455 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,813 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,429 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,700 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,526,084 |
| U.S. State Symbols | 0 | - | 4.38 | 24,276 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,845 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,470 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,171 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,546 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,874 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,424 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,170 |
| U.S. Panhandles | 0 | - | 4.21 | 27,099 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,750 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,600 |
| Hated U.S. States | 0 | - | 4.16 | 14,179 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,102 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,492 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,349 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,825 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,298 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,956 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,172 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,353 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,094 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,431 |
| Flags of North and South America | 0 | - | 4.99 | 369,802 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,086 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,412 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,973 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,773 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,639 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,124 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,082 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,737 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,929 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,514 |
| United States Country Quiz | 0 | - | 4.43 | 100,985 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,120 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,778 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,715 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,741 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,898 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,869 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,147 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,902 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,055 |
| Random U.S. City to State | 0 | - | 4.45 | 75,623 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,095 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,413 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,935 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,385 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,671,085 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,958 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,446 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,243 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,384,938 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,034 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,078 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,146 |
| Boroughs of New York City | 0 | - | 4.47 | 84,304 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,702 |
| The Only American Country ... | 0 | - | 4.92 | 121,133 |
| Belize Country Quiz | 0 | - | 4.85 | 20,868 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,108 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,132 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,177 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 621,960 |
| Movies by State | 0 | - | 4.27 | 40,485 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,298 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,135 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,364 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,411 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,731 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,610 |
| Europe Map Quiz | 0 | - | 5.00 | 4,743,973 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,771 |
| Largest United States Airlines | 0 | - | 4.39 | 54,913 |
| States of Brazil | 0 | - | 4.97 | 87,028 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,330 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,668 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,754 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,991 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,202 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,006 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,801 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,302 |
| ALL California Cities | 0 | - | 4.37 | 42,924 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,422 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,847 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,971 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,181 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,549 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,483 |
