| US States Quiz | 0 | - | 5.00 | 14,875,704 |
| US States with an Empty Map | 0 | - | 5.00 | 558,856 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 173,697 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 150,831 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,169 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 41,639 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,747 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,114 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,771 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 341,633 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,699 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,347 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,832 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 101,578 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,120 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,887 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,288 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 101,178 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,946 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 100,046 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,053 |
| U.S. States that Start with M | 0 | - | 4.91 | 151,624 |
| U.S. States By Population | 0 | - | 4.90 | 130,824 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,305 |
| U.S. States with Longest Names | 0 | - | 4.85 | 36,420 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,412 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,703 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,605 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,333 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,671 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 126,916 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 73,835 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,661 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,430 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,046 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,327 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,347 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,515 |
| Pixelated United States Map | 0 | - | 4.90 | 82,921 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,705 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 92,084 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,057 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,461 |
| Countries that Beat the United States | 0 | - | 4.92 | 146,976 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 278,149 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,251 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,224 |
| Longest U.S. State Borders | 0 | - | 4.59 | 34,602 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 106,213 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,151 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,295 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,207 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,072 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,434 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,835 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,387 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,052 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,156 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,626 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,795 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,235 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 69,917 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 44,399 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,707 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,494 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,822 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,867 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,865 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 39,524 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,040 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,815 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,301 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,281 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 52,287 |
| States of Mexico | 0 | - | 4.95 | 143,352 |
| New England States | 0 | - | 4.52 | 52,508 |
| US States by Land Area | 0 | - | 4.54 | 48,738 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,317 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 76,932 |
| Events by U.S. State #1 | 0 | - | 4.42 | 21,847 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 51,392 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,499 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,193 |
| The Only U.S. State ... #1 | 0 | - | 4.51 | 82,931 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,297 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,349 |
| United States Map Quiz | 0 | - | 4.98 | 3,920,033 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,268,148 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,329 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,082 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,302 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,372 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,614 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,538,409 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 107,037 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,347 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,030 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,809 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,197 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,571 |
| Movies by State Quiz | 0 | - | 4.23 | 39,453 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,046 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,804 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,051 |
| United States Country Quiz | 0 | - | 4.44 | 90,001 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,464 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,833 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,187 |
| Most Valuable Crops by U.S. State | 0 | - | 4.38 | 36,938 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,499 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 461,909 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.27 | 35,066 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 31,392 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 27,651 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 25,137 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 13,888 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 131,043 |
| Random U.S. City to State | 0 | - | 4.44 | 66,198 |
| South America Capitals Quiz | 0 | - | 5.00 | 423,391 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,381 |
| US States by Borders in 30 Seconds | 0 | - | 4.75 | 2,413,407 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,456 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 103,699 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,254,221 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,089 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,559 |
| Events by U.S. State #2 | 0 | - | 4.27 | 17,867 |
| Flyover States | 0 | - | 4.51 | 28,090 |
| U.S. States With Double Letters | 0 | - | 4.67 | 4,405 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,104 |
| U.S. States by Borders | 0 | - | 4.56 | 26,483 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,540 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,463 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,240 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 121,355 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,408 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,335 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,130 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,247 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,546 |
| The Only American Country ... | 0 | - | 4.94 | 110,563 |
| Belize Country Quiz | 0 | - | 4.88 | 18,928 |
| Cartoon Versions of U.S. States | 0 | - | 4.81 | 52,643 |
| U.S. State Flags | 0 | - | 4.88 | 138,594 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 312,909 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,882 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,509 |
| U.S. States that Border Canada | 0 | - | 4.90 | 166,374 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 57,972 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,109 |
| U.S Cities by African-American Population | 0 | - | 4.39 | 83,119 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,491 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,270 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 235,286 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,703 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,111 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,368 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,630 |
| Boroughs of New York City | 0 | - | 4.45 | 77,605 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,176 |
| Brazil States Map Quiz | 0 | - | 4.83 | 40,190 |
| Largest United States Airlines | 0 | - | 4.38 | 52,213 |
| Regions of US States | 0 | - | 4.19 | 31,537 |
| States of Brazil | 0 | - | 4.97 | 69,833 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 40,806 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.39 | 28,503 |
| Top Producing U.S. States | 0 | - | 4.23 | 28,935 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,108 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 77,672 |
| Landmarks of U.S. States #2 | 0 | - | 4.19 | 17,813 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,094 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,134 |
| States of Origin - American Popular Music | 0 | - | 4.19 | 9,950 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 196,373 |
| Musical Acts by State | 0 | - | 4.02 | 19,202 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 140,077 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,215 |
| 500 Biggest US Cities | 0 | - | 4.87 | 99,549 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,121 |
| ALL California Cities | 0 | - | 4.36 | 39,420 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,954 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,639 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,434 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,671 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,929 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 102,053 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,430 |
| Canada Country Quiz | 0 | - | 4.54 | 122,124 |
| Europe Map Quiz | 0 | - | 5.00 | 4,324,581 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 109,936 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.44 | 51,139 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 36,937 |
| Random U.S. States on a Map | 0 | - | 4.95 | 501,468 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.69 | 140,268 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.74 | 45,464 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 31,927 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,568 |
| Tourist Attractions by U.S. State | 0 | - | 4.45 | 60,446 |
| U.S. States by Clue #1 | 0 | - | 4.48 | 33,151 |
| U.S. State Symbols | 0 | - | 4.38 | 23,679 |
