| US States Quiz | 0 | - | 5.00 | 16,978,983 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,465 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,951 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,172 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,193 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,238 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,237 |
| U.S. States By Population | 0 | - | 4.92 | 154,073 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,128 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,833 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,800 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,503 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,030 |
| Draw All US State Borders | 0 | - | 4.99 | 140,336 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,930 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,194 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,053 |
| US States with an Empty Map | 0 | - | 5.00 | 628,083 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,520 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,794 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,110 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,377 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,127 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,744 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,573 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,284 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,376 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,976 |
| New England States | 0 | - | 4.51 | 59,888 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,027 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,106 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,093 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,256 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,120 |
| U.S. States by Borders | 0 | - | 4.62 | 35,455 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,494 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,667 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,305 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,784 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,540 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,278 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,117 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,412 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,920 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,086 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,051 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,608 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,318 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,110 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,012 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,421 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,359 |
| Pixelated United States Map | 0 | - | 4.88 | 94,742 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,660 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,745 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,038 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,561 |
| Flyover States | 0 | - | 4.53 | 29,585 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,242 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,372 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,309 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,882 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,352 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,091 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,511 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,361 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,648 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,696 |
| Regions of U.S. States | 0 | - | 4.37 | 44,145 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,031 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,627 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,416 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,925 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,356 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,210 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,773 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,386 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,175 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,590 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,529 |
| States of Mexico | 0 | - | 4.96 | 177,971 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,556 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,766 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,920 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,353 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,262 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,204 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,471 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,107 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,639 |
| U.S. State Flags | 0 | - | 4.89 | 172,567 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,452 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,447 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,176 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,426 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,558 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,121 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,851 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,774 |
| US States and State Capitals | 0 | - | 4.99 | 165,017 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,583 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,009 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,789 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,174 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,358 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,116 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,367 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,191 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,638 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,970 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,564 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,832 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,553,906 |
| U.S. State Symbols | 0 | - | 4.38 | 24,339 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,882 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,553 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,010 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,622 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,970 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,272 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,443 |
| U.S. Panhandles | 0 | - | 4.21 | 27,233 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,819 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,704 |
| Hated U.S. States | 0 | - | 4.16 | 14,266 |
| U.S. States by Haiku | 0 | - | 4.24 | 17,659 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,605 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,146 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,621 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,794 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,609 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,947 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,619 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,922 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,770 |
| Flags of North and South America | 0 | - | 4.99 | 376,396 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,246 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,478 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,050 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,845 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,711 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,563 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,716 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,167 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,282 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,662 |
| United States Country Quiz | 0 | - | 4.43 | 102,114 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,266 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,179 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,040 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,266 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,592 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,959 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,933 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,385 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,969 |
| Random U.S. City to State | 0 | - | 4.45 | 76,821 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,422 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,070 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,541 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,375 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,691,538 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,865 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,287 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,520 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,640 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,731 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,224 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,249 |
| Boroughs of New York City | 0 | - | 4.47 | 84,934 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,590 |
| The Only American Country ... | 0 | - | 4.92 | 122,144 |
| Belize Country Quiz | 0 | - | 4.85 | 21,073 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,294 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,878 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,831 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 634,908 |
| Movies by State | 0 | - | 4.27 | 40,602 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,505 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,759 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,433 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,758 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,922 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,514 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,174 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,141 |
| Largest United States Airlines | 0 | - | 4.39 | 55,139 |
| States of Brazil | 0 | - | 4.97 | 89,492 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,689 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,976 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,930 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,353 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,377 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,039 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,839 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,701 |
| ALL California Cities | 0 | - | 4.37 | 43,216 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,489 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,298 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,207 |
