| US States Quiz | 0 | - | 5.00 | 16,958,081 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,200 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,762 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,972 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,983 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,634 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,986 |
| U.S. States By Population | 0 | - | 4.92 | 153,941 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,968 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,743 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,696 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,436 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,948 |
| Draw All US State Borders | 0 | - | 4.99 | 139,715 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,741 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,083 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,868 |
| US States with an Empty Map | 0 | - | 5.00 | 627,353 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,386 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,316 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,045 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,976 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,084 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,628 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,479 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,249 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,263 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,907 |
| New England States | 0 | - | 4.51 | 59,872 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,981 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,087 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,019 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,210 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,081 |
| U.S. States by Borders | 0 | - | 4.61 | 35,427 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 187,876 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,629 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,248 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,580 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,307 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,131 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,705 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,319 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,894 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,042 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 65,992 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,576 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,292 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,066 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,391 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,240 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,220 |
| Pixelated United States Map | 0 | - | 4.88 | 94,639 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,631 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,717 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,990 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,554 |
| Flyover States | 0 | - | 4.52 | 29,571 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,221 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,337 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,279 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,718 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,180 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,953 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,296 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,324 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,017 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 148,716 |
| Regions of U.S. States | 0 | - | 4.37 | 44,095 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,925 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,616 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,406 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,912 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,346 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,188 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,665 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,286 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,128 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,441 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,430 |
| States of Mexico | 0 | - | 4.96 | 177,555 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,541 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,706 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,689 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,267 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,211 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,178 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,453 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,081 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,334 |
| U.S. State Flags | 0 | - | 4.89 | 172,102 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,149 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,425 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,160 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,393 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,242 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,106 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,837 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,754 |
| US States and State Capitals | 0 | - | 4.99 | 164,552 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,523 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,859 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,763 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,104 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,341 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,105 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 69,635 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,154 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,482 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,941 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,555 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,817 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,551,140 |
| U.S. State Symbols | 0 | - | 4.38 | 24,336 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,879 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,546 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,933 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,613 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,960 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,985 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,244 |
| U.S. Panhandles | 0 | - | 4.21 | 27,219 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,808 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,698 |
| Hated U.S. States | 0 | - | 4.16 | 14,256 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,442 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,495 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,064 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,559 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,749 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,551 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,880 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,941 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,787 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,083 |
| Flags of North and South America | 0 | - | 4.99 | 375,715 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,226 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,469 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,042 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,833 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,696 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,511 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,594 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,132 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,250 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,642 |
| United States Country Quiz | 0 | - | 4.43 | 101,979 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,253 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,144 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,017 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,154 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,523 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,950 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,872 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,335 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,895 |
| Random U.S. City to State | 0 | - | 4.45 | 76,744 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,389 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,002 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,829 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,210 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,689,563 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,815 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,244 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,484 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,680 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,620 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,206 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,236 |
| Boroughs of New York City | 0 | - | 4.47 | 84,858 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,486 |
| The Only American Country ... | 0 | - | 4.92 | 122,032 |
| Belize Country Quiz | 0 | - | 4.85 | 21,057 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,279 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,789 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,752 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 632,563 |
| Movies by State | 0 | - | 4.27 | 40,589 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,496 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,674 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,425 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,601 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,900 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,416 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,664 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,026 |
| Largest United States Airlines | 0 | - | 4.39 | 55,120 |
| States of Brazil | 0 | - | 4.97 | 89,155 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,499 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,823 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,795 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,968 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,264 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,832 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,730 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,656 |
| ALL California Cities | 0 | - | 4.37 | 43,183 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,483 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,113 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,175 |
