| US States Quiz | 0 | - | 5.00 | 16,894,933 |
| US States with an Empty Map | 0 | - | 5.00 | 625,245 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,819 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,996 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,850 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,538 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,210 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,707 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,268 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,336 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,186 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,751 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,776 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,923 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,199 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,944 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,012 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,551 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,547 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,151 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,445 |
| U.S. States By Population | 0 | - | 4.92 | 153,637 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,571 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,505 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,407 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,258 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,703 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,234 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,156 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,858 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,735 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,021 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,889 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,747 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,403 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,014 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,567 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,804 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,872 |
| Pixelated United States Map | 0 | - | 4.87 | 94,360 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,248 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,156 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,893 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,552 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,629 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,203 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,170 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,822 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,868 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,918 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,317 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,054 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,840 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,514 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,219 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,890 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,512 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,785 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,964 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,565 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,509 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,424 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,239 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,074 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,061 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,555 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,656 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,398 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,797 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,325 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,802 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,720 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,177 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,860 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,178 |
| States of Mexico | 0 | - | 4.96 | 176,393 |
| New England States | 0 | - | 4.51 | 59,822 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,846 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,021 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,862 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,048 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,963 |
| U.S. States by Borders | 0 | - | 4.61 | 35,349 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,087 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,509 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,090 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,429 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,426 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,453 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,251 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,602 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,541,967 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,623 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,164 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,867 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,332 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,616 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,358 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,649 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,174 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,065 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,063 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,788 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,701 |
| Regions of U.S. States | 0 | - | 4.37 | 43,925 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,585 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,393 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,862 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,308 |
| Movies by State | 0 | - | 4.27 | 40,554 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,375 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,704 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,981 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,119 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,101 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,594 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,137 |
| United States Country Quiz | 0 | - | 4.43 | 101,616 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,194 |
| Flags of North and South America | 0 | - | 4.99 | 373,666 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,019 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,911 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,109 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,120 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,917 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,253 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,830 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,440 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,367 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,010 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,198 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,424 |
| Random U.S. City to State | 0 | - | 4.45 | 76,358 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,801 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,929 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,627 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,683,375 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,464 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,900 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,369 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,136 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,392,663 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,877 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,533 |
| Flyover States | 0 | - | 4.52 | 29,525 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,140 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,211 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,362 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,115 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,541 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,440 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,165 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,208 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,194 |
| The Only American Country ... | 0 | - | 4.92 | 121,708 |
| Belize Country Quiz | 0 | - | 4.85 | 20,997 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,230 |
| U.S. State Flags | 0 | - | 4.88 | 170,821 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,542 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,537 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,205 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,347 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,444 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,504 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,636 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,243 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,071 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,405 |
| Boroughs of New York City | 0 | - | 4.47 | 84,653 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,274 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,174 |
| Largest United States Airlines | 0 | - | 4.39 | 55,051 |
| States of Brazil | 0 | - | 4.97 | 88,307 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,030 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,185 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,179 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,033 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,449 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,013 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,807 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,668 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,022 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,386 |
| Musical Acts by State | 0 | - | 4.05 | 19,590 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,432 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,422 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,453 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,928 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,240 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,371 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,533 |
| ALL California Cities | 0 | - | 4.37 | 43,079 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,460 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,604 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,962 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,567 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,986 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,440 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,202 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,688 |
