| US States Quiz | 0 | - | 5.00 | 16,858,114 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,860 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,774 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,312 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,341 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,873 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,147 |
| U.S. States By Population | 0 | - | 4.92 | 153,483 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,347 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,393 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,236 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,175 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,560 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,916 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,516 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,077 |
| US States with an Empty Map | 0 | - | 5.00 | 624,037 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,496 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,274 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,720 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,708 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,866 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,922 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,096 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,113 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,687 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,427 |
| New England States | 0 | - | 4.51 | 59,801 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,783 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,002 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,771 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,975 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,906 |
| U.S. States by Borders | 0 | - | 4.61 | 35,292 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,505 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,465 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,012 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,696 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,708 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,531 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,701 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,888 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,778 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,781 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,762 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,456 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,171 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,898 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,632 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,549 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,674 |
| Pixelated United States Map | 0 | - | 4.87 | 94,190 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,506 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,621 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,827 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,516 |
| Flyover States | 0 | - | 4.52 | 29,502 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,100 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,124 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,106 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,925 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,751 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,323 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,970 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,145 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,139 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,998 |
| Regions of U.S. States | 0 | - | 4.37 | 43,839 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,360 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,566 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,381 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,841 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,284 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,118 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,593 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,549 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,870 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,033 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,651 |
| States of Mexico | 0 | - | 4.95 | 175,826 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,490 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,054 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,103 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,969 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,999 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,072 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,369 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,969 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,515 |
| U.S. State Flags | 0 | - | 4.89 | 170,163 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,695 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,333 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,091 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,201 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,934 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,024 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,760 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,670 |
| US States and State Capitals | 0 | - | 4.99 | 161,896 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,339 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,238 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,486 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,503 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,298 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,037 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,414 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,838 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,853 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,871 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,486 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,761 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,536,844 |
| U.S. State Symbols | 0 | - | 4.38 | 24,304 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,863 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,503 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,457 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,572 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,908 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,628 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,064 |
| U.S. Panhandles | 0 | - | 4.21 | 27,153 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,776 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,671 |
| Hated U.S. States | 0 | - | 4.16 | 14,209 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,128 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,887 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,653 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,142 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,467 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,171 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,457 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,394 |
| Countries that Beat Canada | 0 | - | 4.90 | 94,567 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,946 |
| Flags of North and South America | 0 | - | 4.99 | 372,669 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,148 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,435 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,997 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,798 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,658 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,306 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,522 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,904 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,066 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,574 |
| United States Country Quiz | 0 | - | 4.43 | 101,442 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,166 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,949 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,859 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,925 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,220 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,908 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,333 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,102 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,290 |
| Random U.S. City to State | 0 | - | 4.45 | 76,216 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,251 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,695 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,014 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,093 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,679,397 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,373 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,838 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,327 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,390,576 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,365 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,141 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,184 |
| Boroughs of New York City | 0 | - | 4.47 | 84,553 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,049 |
| The Only American Country ... | 0 | - | 4.92 | 121,530 |
| Belize Country Quiz | 0 | - | 4.85 | 20,959 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,205 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,417 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,441 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 626,738 |
| Movies by State | 0 | - | 4.27 | 40,533 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,412 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,385 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,393 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,102 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,827 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,003 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,909 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,306 |
| Largest United States Airlines | 0 | - | 4.39 | 55,015 |
| States of Brazil | 0 | - | 4.97 | 87,869 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,837 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,173 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,183 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,332 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,707 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,701 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,141 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,460 |
| ALL California Cities | 0 | - | 4.37 | 43,025 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,448 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,365 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,062 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,372 |
