| US States Quiz | 0 | - | 5.00 | 16,676,548 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,033 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,193 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,254 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,467 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,730 |
| U.S. States By Population | 0 | - | 4.92 | 152,242 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,763 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,435 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,697 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,777 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,521 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,768 |
| US States with an Empty Map | 0 | - | 5.00 | 618,043 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,212 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,966 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,417 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,924 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,951 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| New England States | 0 | - | 4.51 | 59,695 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,413 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,251 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,588 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,630 |
| U.S. States by Borders | 0 | - | 4.63 | 35,042 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,227 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,206 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,079 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,563 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,497 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,911 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,318 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,541 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,314 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,343 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,251 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,008 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,618 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,494 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,262 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,701 |
| Pixelated United States Map | 0 | - | 4.89 | 93,272 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,234 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,452 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,563 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,449 |
| Flyover States | 0 | - | 4.52 | 29,374 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,886 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,762 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,744 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,675 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,256 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,365 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,754 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,121 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Regions of U.S. States | 0 | - | 4.37 | 43,401 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,456 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,476 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,333 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,753 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,188 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,773 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,541 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,287 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,661 |
| States of Mexico | 0 | - | 4.95 | 172,998 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,403 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,725 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,077 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,390 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,644 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,884 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,261 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,794 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,433 |
| U.S. State Flags | 0 | - | 4.89 | 166,650 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,803 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,171 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,951 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,961 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,449 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,883 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,030 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,220 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,956 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,217 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,920 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 58,963 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,410 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,908 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,753 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,379 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,650 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,893 |
| U.S. State Symbols | 0 | - | 4.38 | 24,245 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,833 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,439 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,829 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,517 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,836 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,959 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,246 |
| U.S. Panhandles | 0 | - | 4.21 | 27,054 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,720 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,226 |
| Hated U.S. States | 0 | - | 4.16 | 14,132 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,088 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,759 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,021 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,388 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,013 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,602 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,722 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,948 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,760 |
| Random U.S. States on a Map | 0 | - | 4.96 | 620,703 |
| Flags of North and South America | 0 | - | 4.99 | 365,314 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,014 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,386 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,934 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,744 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,608 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,660 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,583 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,761 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,452 |
| United States Country Quiz | 0 | - | 4.43 | 100,453 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,059 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,589 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,569 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,561 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,611 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,826 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,951 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,659 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,968 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,101 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,733 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,648 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,346 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,492 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,048 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,177 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,378,898 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,732 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,015 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,115 |
| Boroughs of New York City | 0 | - | 4.47 | 84,052 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,242 |
| The Only American Country ... | 0 | - | 4.92 | 120,644 |
| Belize Country Quiz | 0 | - | 4.85 | 20,778 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,031 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,731 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,824 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,265 |
| Movies by State | 0 | - | 4.27 | 40,435 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,729 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,992 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,649 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,310 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,880 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,013 |
| Largest United States Airlines | 0 | - | 4.39 | 54,811 |
| States of Brazil | 0 | - | 4.98 | 86,177 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,751 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,119 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,353 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,594 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,609 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,287 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,434 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,091 |
| ALL California Cities | 0 | - | 4.36 | 42,791 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,377 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,037 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,036 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,308 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,266 |
| Canada Country Quiz | 0 | - | 4.54 | 131,619 |
