| US States Quiz | 0 | - | 5.00 | 16,923,883 |
| US States with an Empty Map | 0 | - | 5.00 | 626,192 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,002 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,549 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,966 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,624 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,422 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,869 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,863 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,556 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,533 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,354 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,995 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,976 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,370 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,025 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,150 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,753 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,695 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,375 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,691 |
| U.S. States By Population | 0 | - | 4.92 | 153,770 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,756 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,612 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,537 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,340 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,813 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,334 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,193 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,928 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,951 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,265 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,081 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,903 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,963 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,137 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,318 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,979 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,022 |
| Pixelated United States Map | 0 | - | 4.88 | 94,494 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,279 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,348 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,006 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,730 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,867 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,250 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,212 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,856 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,947 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,000 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,327 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,078 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,906 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,541 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,252 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,913 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,529 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,796 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,998 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,688 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,518 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,559 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,210 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,169 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,119 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,587 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,678 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,415 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,865 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,356 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,869 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,747 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,287 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,196 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,242 |
| States of Mexico | 0 | - | 4.96 | 176,877 |
| New England States | 0 | - | 4.51 | 59,839 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,908 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,043 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,931 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,130 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,016 |
| U.S. States by Borders | 0 | - | 4.61 | 35,383 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,579 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,550 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,155 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,497 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,462 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,629 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,052 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,693 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,755 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,721 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,312 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,965 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,432 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,678 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,459 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,741 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,361 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,156 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,078 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,808 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,725 |
| Regions of U.S. States | 0 | - | 4.37 | 44,001 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,604 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,401 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,882 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,324 |
| Movies by State | 0 | - | 4.27 | 40,570 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,441 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,860 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,038 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,179 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,121 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,618 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,547 |
| United States Country Quiz | 0 | - | 4.43 | 101,760 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,218 |
| Flags of North and South America | 0 | - | 4.99 | 374,533 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,071 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,973 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,146 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,010 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,931 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,283 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,840 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.48 | 26,452 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,379 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,047 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,264 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,807 |
| Random U.S. City to State | 0 | - | 4.45 | 76,578 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,884 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,790 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,887 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,685,860 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,708 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,154 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,399 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,182 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,211 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,928 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,540 |
| Flyover States | 0 | - | 4.52 | 29,539 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,178 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,266 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,390 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,138 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,572 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,510 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,188 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,304 |
| The Only American Country ... | 0 | - | 4.92 | 121,843 |
| Belize Country Quiz | 0 | - | 4.85 | 21,019 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,246 |
| U.S. State Flags | 0 | - | 4.89 | 171,415 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,632 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,631 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,648 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,389 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,469 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,581 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,645 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,255 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Boroughs of New York City | 0 | - | 4.47 | 84,726 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,413 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,268 |
| Largest United States Airlines | 0 | - | 4.39 | 55,080 |
| States of Brazil | 0 | - | 4.97 | 88,709 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,220 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,203 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,206 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,247 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,459 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,027 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,812 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,683 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,505 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,674 |
| Musical Acts by State | 0 | - | 4.05 | 19,594 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,589 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,595 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,262 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,085 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,526 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,528 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,588 |
| ALL California Cities | 0 | - | 4.37 | 43,117 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,470 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,817 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,994 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,594 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,001 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,478 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,516 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,739 |
