| US States Quiz | 0 | - | 5.00 | 16,717,907 |
| US States with an Empty Map | 0 | - | 5.00 | 619,420 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,534 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,759 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,152 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,982 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,838 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,683 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,433 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,056 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,911 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,963 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,766 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,636 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,168 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,589 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,837 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,461 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,505 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,786 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,047 |
| U.S. States By Population | 0 | - | 4.92 | 152,457 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,510 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,921 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,622 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,797 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,955 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,597 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,907 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,704 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,519 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,864 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,728 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,200 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,197 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,408 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,576 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,937 |
| Pixelated United States Map | 0 | - | 4.89 | 93,572 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,014 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,082 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,149 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,503 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,693 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,834 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,820 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,607 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,426 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,084 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,236 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,935 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,461 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,300 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,046 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,779 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,402 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,675 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,686 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,660 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,423 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,729 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,546 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,534 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,734 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,296 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,492 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,284 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,469 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,114 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,447 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,581 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,482 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,903 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,716 |
| States of Mexico | 0 | - | 4.95 | 173,598 |
| New England States | 0 | - | 4.51 | 59,715 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,514 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,894 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,373 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,678 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,684 |
| U.S. States by Borders | 0 | - | 4.63 | 35,100 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,881 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,261 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,166 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,026 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,441 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,346 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,520,573 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,949 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,967 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,131 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,550 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,102 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,706 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,887 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,716 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,551 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,923 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,664 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,535 |
| Regions of U.S. States | 0 | - | 4.37 | 43,513 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,500 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,344 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,772 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,206 |
| Movies by State | 0 | - | 4.27 | 40,453 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,024 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,801 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,626 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,841 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,938 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,486 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,916 |
| United States Country Quiz | 0 | - | 4.43 | 100,700 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,087 |
| Flags of North and South America | 0 | - | 4.99 | 367,980 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,681 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,628 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,941 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,351 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,840 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,046 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,741 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,322 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,330 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,828 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,765 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,719 |
| Random U.S. City to State | 0 | - | 4.45 | 75,432 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,258 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,632 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,986 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,666,002 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,742 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,245 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,209 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,591 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,381,668 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,633 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,469 |
| Flyover States | 0 | - | 4.52 | 29,409 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,945 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,853 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,212 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,986 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,342 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,843 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,044 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,129 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,412 |
| The Only American Country ... | 0 | - | 4.92 | 120,840 |
| Belize Country Quiz | 0 | - | 4.85 | 20,824 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,070 |
| U.S. State Flags | 0 | - | 4.89 | 167,608 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,933 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,010 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,696 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,105 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,868 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,914 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,566 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,158 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,014 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,342 |
| Boroughs of New York City | 0 | - | 4.47 | 84,155 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,152 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,447 |
| Largest United States Airlines | 0 | - | 4.39 | 54,855 |
| States of Brazil | 0 | - | 4.98 | 86,529 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,064 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,041 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,027 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,118 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,401 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,954 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,754 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,623 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,730 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,661 |
| Musical Acts by State | 0 | - | 4.05 | 19,560 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,372 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,527 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,797 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,881 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,612 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,588 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,182 |
| ALL California Cities | 0 | - | 4.37 | 42,836 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,391 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,560 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,798 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,357 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,862 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,101 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,148 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,383 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,370 |
| Canada Country Quiz | 0 | - | 4.55 | 131,803 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,181 |
