| US States Quiz | 0 | - | 5.00 | 15,845,730 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 355,703 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 110,089 |
| U.S. States with the Letter Y | 0 | - | 4.84 | 104,682 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 106,865 |
| U.S. States with Short Names | 0 | - | 4.89 | 140,466 |
| U.S. States that Start with M | 0 | - | 4.92 | 178,167 |
| U.S. States By Population | 0 | - | 4.90 | 137,021 |
| U.S. States that Start with N | 0 | - | 4.94 | 164,227 |
| U.S. States with Longest Names | 0 | - | 4.87 | 40,570 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 83,539 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 61,424 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,977 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 87,675 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 42,138 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 124,517 |
| US States with an Empty Map | 0 | - | 5.00 | 592,290 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 183,415 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 160,271 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 197,499 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 91,346 |
| Top 10 Most Native American U.S. States | 0 | - | 4.85 | 86,046 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 90,764 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 46,346 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 96,302 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 78,405 |
| New England States | 0 | - | 4.51 | 58,998 |
| US States by Land Area | 0 | - | 4.63 | 50,768 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,287 |
| Add a Letter - Make a U.S. State | 0 | - | 4.71 | 79,927 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.71 | 53,716 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.77 | 39,238 |
| U.S. States by Borders | 0 | - | 4.61 | 33,902 |
| Save Americans by Guessing U.S. States | 0 | - | 4.53 | 169,112 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,851 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 85,336 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 83,549 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 70,339 |
| Total United States Immigration by Country | 0 | - | 4.89 | 104,385 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 201,827 |
| U.S. National Parks Quiz | 0 | - | 4.81 | 50,870 |
| U.S. States with the Longest International Borders | 0 | - | 4.77 | 44,489 |
| Longest U.S. State Borders | 0 | - | 4.64 | 37,208 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 63,179 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,372 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 54,165 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 51,147 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 101,799 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 85,534 |
| Pixelated United States Map | 0 | - | 4.89 | 88,641 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 77,187 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 38,720 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 73,109 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,104 |
| Flyover States | 0 | - | 4.52 | 28,815 |
| U.S. States With Double Letters | 0 | - | 4.65 | 22,682 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.26 | 74,049 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.47 | 67,059 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 98,871 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 67,639 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 140,104 |
| Countries that Beat the United States | 0 | - | 4.93 | 157,714 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 306,626 |
| 10 Longest Rivers in the United States | 0 | - | 4.84 | 37,158 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 481,151 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 135,123 |
| Regions of US States | 0 | - | 4.16 | 32,175 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 43,998 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,091 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,246 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 19,746 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 107,852 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 118,282 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.84 | 59,591 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 83,731 |
| Mexico States Map Quiz | 0 | - | 4.81 | 97,802 |
| States of Mexico | 0 | - | 4.93 | 157,688 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,007 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,744 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 35,905 |
| Name a Valid U.S. State #2 | 0 | - | 4.62 | 73,731 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 46,658 |
| A Superlative for Every U.S. State | 0 | - | 4.43 | 26,737 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 67,660 |
| U.S. States With No City Over 100,000 | 0 | - | 4.56 | 16,884 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.81 | 52,928 |
| United States Map Quiz | 0 | - | 4.98 | 4,051,898 |
| U.S. State Flags | 0 | - | 4.88 | 153,057 |
| U.S. States that Border Canada | 0 | - | 4.91 | 172,688 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 38,478 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,324 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 42,580 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 110,681 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,195 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.56 | 35,012 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 141,589 |
| Countries Closest to Canada | 0 | - | 4.90 | 191,871 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 110,213 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,793 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,370 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 82,980 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,087 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 37,713 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,106 |
| Fifty US States in One Minute | 0 | - | 4.53 | 3,423,371 |
| U.S. State Symbols | 0 | - | 4.38 | 24,003 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,663 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,073 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 79,021 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,182 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 14,390 |
| Category Elimination - U.S. States #1 | 0 | - | 4.92 | 208,222 |
| U.S. Panhandles | 0 | - | 4.26 | 26,478 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,423 |
| U.S. States with a Unique Last Letter | 0 | - | 4.15 | 20,570 |
| Hated U.S. States | 0 | - | 4.13 | 13,737 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 153,691 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 173,578 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 120,212 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,929 |
| Top 10 Newest U.S. States | 0 | - | 4.84 | 83,065 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.83 | 63,293 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,614,898 |
| Countries that Beat Canada | 0 | - | 4.90 | 83,568 |
| Random U.S. States on a Map | 0 | - | 4.96 | 583,920 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 334,697 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.40 | 29,063 |
| Top Producing U.S. States | 0 | - | 4.24 | 30,216 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,108 |
| Landmarks of U.S. States #1 | 0 | - | 4.30 | 22,558 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,475 |
| States of Origin - American Popular Music | 0 | - | 4.21 | 10,306 |
| U.S Cities by African-American Population | 0 | - | 4.41 | 92,777 |
| 1M Cities by Proximity - United States | 0 | - | 4.54 | 145,129 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 38,802 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,833 |
| United States Country Quiz | 0 | - | 4.45 | 95,835 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,390 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 57,947 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 75,149 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.85 | 53,654 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 125,934 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,417 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 124,898 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 134,706 |
| Random U.S. City to State | 0 | - | 4.44 | 70,566 |
| South America Capitals Quiz | 0 | - | 5.00 | 455,710 |
| US States by Borders in 30 Seconds | 0 | - | 4.74 | 2,565,615 |
| U.S. Geography by Letter - B | 0 | - | 4.51 | 63,252 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 48,496 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 66,207 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,329,800 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.16 | 125,339 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 57,444 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,689 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,766 |
| Boroughs of New York City | 0 | - | 4.46 | 81,181 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 106,333 |
| The Only American Country ... | 0 | - | 4.93 | 115,739 |
| Belize Country Quiz | 0 | - | 4.87 | 19,949 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 18,211 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 70,839 |
| U.S. State Border Crossings | 0 | - | 4.96 | 86,598 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 51,916 |
| Win the U.S. Presidential Election | 0 | - | 4.74 | 572,712 |
| Movies by State Quiz | 0 | - | 4.24 | 40,009 |
| Important Places in U.S. History | 0 | - | 4.25 | 37,009 |
| Cities on Route 66 on a Map | 0 | - | 4.49 | 31,364 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 242,346 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 17,982 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 87,098 |
| Dominica Country Quiz | 0 | - | 4.82 | 18,905 |
| Brazil States Map Quiz | 0 | - | 4.84 | 44,125 |
| Europe Map Quiz | 0 | - | 5.00 | 4,551,376 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 227,200 |
| Largest United States Airlines | 0 | - | 4.38 | 53,524 |
| States of Brazil | 0 | - | 4.97 | 78,210 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 46,859 |
| American Geography Quiz for Dummies | 0 | - | 4.36 | 55,579 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,355 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,521 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,131 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,084 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,196 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,797 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.82 | 52,892 |
| U.S. Cities Chain | 0 | - | 4.20 | 32,808 |
| ALL California Cities | 0 | - | 4.35 | 41,350 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.38 | 38,774 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.41 | 12,047 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 123,528 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 86,538 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 73,427 |
| Countries Closest to the U. S. | 0 | - | 4.40 | 202,814 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 104,518 |
| Colombia Country Quiz | 0 | - | 4.90 | 38,189 |
| Canada Country Quiz | 0 | - | 4.53 | 127,280 |
| Chile Country Quiz | 0 | - | 4.81 | 38,026 |
| Hawaiian Islands Map Quiz | 0 | - | 4.75 | 21,809 |
| Canada Cities Map Quiz | 0 | - | 4.53 | 113,088 |
