| US States Quiz | 0 | - | 5.00 | 15,834,072 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 355,557 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 110,004 |
| U.S. States with the Letter Y | 0 | - | 4.84 | 104,604 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 106,782 |
| U.S. States with Short Names | 0 | - | 4.89 | 140,366 |
| U.S. States that Start with M | 0 | - | 4.93 | 178,064 |
| U.S. States By Population | 0 | - | 4.90 | 136,949 |
| U.S. States that Start with N | 0 | - | 4.94 | 164,132 |
| U.S. States with Longest Names | 0 | - | 4.87 | 40,533 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 83,484 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 61,393 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,924 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 87,576 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 42,084 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 124,414 |
| US States with an Empty Map | 0 | - | 5.00 | 591,478 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 183,324 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 160,198 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 197,365 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 91,331 |
| Top 10 Most Native American U.S. States | 0 | - | 4.85 | 85,985 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 90,575 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 46,320 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 96,257 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 78,362 |
| New England States | 0 | - | 4.51 | 58,968 |
| US States by Land Area | 0 | - | 4.63 | 50,740 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,279 |
| Add a Letter - Make a U.S. State | 0 | - | 4.71 | 79,887 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.71 | 53,694 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.77 | 39,214 |
| U.S. States by Borders | 0 | - | 4.61 | 33,879 |
| Save Americans by Guessing U.S. States | 0 | - | 4.53 | 168,905 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,834 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 85,307 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 83,430 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 70,252 |
| Total United States Immigration by Country | 0 | - | 4.89 | 104,318 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 201,716 |
| U.S. National Parks Quiz | 0 | - | 4.81 | 50,811 |
| U.S. States with the Longest International Borders | 0 | - | 4.77 | 44,473 |
| Longest U.S. State Borders | 0 | - | 4.64 | 37,177 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 63,155 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,354 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 54,151 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 51,114 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 101,709 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 85,469 |
| Pixelated United States Map | 0 | - | 4.89 | 88,550 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 77,167 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 38,709 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 73,086 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,101 |
| Flyover States | 0 | - | 4.52 | 28,802 |
| U.S. States With Double Letters | 0 | - | 4.65 | 22,656 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.26 | 74,020 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.47 | 67,038 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 98,795 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 67,577 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 140,043 |
| Countries that Beat the United States | 0 | - | 4.93 | 157,587 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 306,338 |
| 10 Longest Rivers in the United States | 0 | - | 4.84 | 37,131 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 480,928 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 135,041 |
| Regions of US States | 0 | - | 4.16 | 32,167 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 43,942 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,086 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,235 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 19,738 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 107,801 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 118,220 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.84 | 59,574 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 83,678 |
| Mexico States Map Quiz | 0 | - | 4.81 | 97,772 |
| States of Mexico | 0 | - | 4.93 | 157,545 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,998 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,730 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 35,885 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 73,691 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 46,621 |
| A Superlative for Every U.S. State | 0 | - | 4.43 | 26,704 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 67,651 |
| U.S. States With No City Over 100,000 | 0 | - | 4.56 | 16,866 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.81 | 52,909 |
| United States Map Quiz | 0 | - | 4.98 | 4,050,704 |
| U.S. State Flags | 0 | - | 4.88 | 152,885 |
| U.S. States that Border Canada | 0 | - | 4.91 | 172,599 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 38,459 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,311 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 42,492 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 110,646 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,184 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.56 | 35,006 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 141,383 |
| Countries Closest to Canada | 0 | - | 4.90 | 191,811 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 110,165 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,786 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,359 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 82,918 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,076 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 37,702 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,096 |
| Fifty US States in One Minute | 0 | - | 4.53 | 3,421,807 |
| U.S. State Symbols | 0 | - | 4.38 | 23,998 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,660 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,070 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 78,971 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,178 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 14,384 |
| Category Elimination - U.S. States #1 | 0 | - | 4.92 | 208,067 |
| U.S. Panhandles | 0 | - | 4.26 | 26,465 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,418 |
| U.S. States with a Unique Last Letter | 0 | - | 4.15 | 20,560 |
| Hated U.S. States | 0 | - | 4.13 | 13,735 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 153,635 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 173,544 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 120,154 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,902 |
| Top 10 Newest U.S. States | 0 | - | 4.84 | 83,023 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.83 | 63,175 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,614,011 |
| Countries that Beat Canada | 0 | - | 4.90 | 83,505 |
| Random U.S. States on a Map | 0 | - | 4.96 | 583,181 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 334,435 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.40 | 29,058 |
| Top Producing U.S. States | 0 | - | 4.24 | 30,207 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,107 |
| Landmarks of U.S. States #1 | 0 | - | 4.30 | 22,556 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,470 |
| States of Origin - American Popular Music | 0 | - | 4.21 | 10,299 |
| U.S Cities by African-American Population | 0 | - | 4.41 | 92,743 |
| 1M Cities by Proximity - United States | 0 | - | 4.54 | 145,036 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 38,768 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,817 |
| United States Country Quiz | 0 | - | 4.45 | 95,775 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,383 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 57,914 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 75,120 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.85 | 53,627 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 125,895 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,408 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 124,585 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 134,665 |
| Random U.S. City to State | 0 | - | 4.44 | 70,521 |
| South America Capitals Quiz | 0 | - | 5.00 | 455,431 |
| US States by Borders in 30 Seconds | 0 | - | 4.74 | 2,563,974 |
| U.S. Geography by Letter - B | 0 | - | 4.51 | 62,931 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 48,448 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 66,192 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,329,088 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.16 | 125,308 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 57,432 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,683 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,760 |
| Boroughs of New York City | 0 | - | 4.46 | 81,141 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 106,257 |
| The Only American Country ... | 0 | - | 4.93 | 115,671 |
| Belize Country Quiz | 0 | - | 4.87 | 19,933 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 18,204 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 70,777 |
| U.S. State Border Crossings | 0 | - | 4.96 | 86,547 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 51,895 |
| Win the U.S. Presidential Election | 0 | - | 4.74 | 572,023 |
| Movies by State Quiz | 0 | - | 4.24 | 40,004 |
| Important Places in U.S. History | 0 | - | 4.25 | 37,004 |
| Cities on Route 66 on a Map | 0 | - | 4.49 | 31,344 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 242,284 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 17,975 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 87,043 |
| Dominica Country Quiz | 0 | - | 4.82 | 18,892 |
| Brazil States Map Quiz | 0 | - | 4.84 | 44,086 |
| Europe Map Quiz | 0 | - | 5.00 | 4,548,388 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 227,110 |
| Largest United States Airlines | 0 | - | 4.38 | 53,510 |
| States of Brazil | 0 | - | 4.97 | 78,114 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 46,814 |
| American Geography Quiz for Dummies | 0 | - | 4.36 | 55,551 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,292 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,473 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,076 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,005 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,115 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,756 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.82 | 52,851 |
| U.S. Cities Chain | 0 | - | 4.20 | 32,771 |
| ALL California Cities | 0 | - | 4.35 | 41,334 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.38 | 38,753 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.41 | 12,040 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 123,446 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 86,504 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 73,374 |
| Countries Closest to the U. S. | 0 | - | 4.40 | 202,784 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 104,492 |
| Colombia Country Quiz | 0 | - | 4.90 | 38,156 |
| Canada Country Quiz | 0 | - | 4.53 | 127,232 |
| Chile Country Quiz | 0 | - | 4.81 | 38,003 |
| Hawaiian Islands Map Quiz | 0 | - | 4.75 | 21,805 |
| Canada Cities Map Quiz | 0 | - | 4.53 | 113,046 |
