| US States Quiz | 0 | - | 5.00 | 15,033,611 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,915 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,336 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 98,075 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 101,016 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,408 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,969 |
| U.S. States By Population | 0 | - | 4.90 | 131,665 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,675 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,946 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 79,158 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,077 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,251 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,687 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 73,227 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,510 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,556 |
| US States with an Empty Map | 0 | - | 5.00 | 564,130 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 175,445 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 152,185 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 188,224 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,427 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,946 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 81,125 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,941 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,260 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,640 |
| New England States | 0 | - | 4.52 | 52,606 |
| US States by Land Area | 0 | - | 4.54 | 49,028 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,481 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,433 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,796 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,782 |
| U.S. States by Borders | 0 | - | 4.59 | 31,795 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 155,192 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,448 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,357 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,618 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,842 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,438 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,732 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 56,009 |
| Longest U.S. State Borders | 0 | - | 4.66 | 35,058 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,775 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,437 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,272 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,656 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,651 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,604 |
| Pixelated United States Map | 0 | - | 4.90 | 83,925 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,966 |
| U.S. State Superlatives #2 | 0 | - | 4.52 | 37,710 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,458 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,671 |
| Flyover States | 0 | - | 4.51 | 28,216 |
| U.S. States With Double Letters | 0 | - | 4.63 | 21,406 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,482 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,546 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 93,364 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,915 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,334 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,494 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 283,244 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,510 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 465,178 |
| Win the U.S. Presidential Election | 0 | - | 4.81 | 524,917 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 128,060 |
| Regions of US States | 0 | - | 4.15 | 31,651 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,481 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,861 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,715 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,191 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 102,527 |
| Top 10 Hottest U.S. States | 0 | - | 4.88 | 112,666 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 57,684 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 80,155 |
| States of Mexico | 0 | - | 4.94 | 145,704 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,932 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,492 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 70,606 |
| Name a Valid U.S. State #3 | 0 | - | 4.77 | 44,813 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,973 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 50,317 |
| United States Map Quiz | 0 | - | 4.98 | 3,937,594 |
| Cartoon Versions of U.S. States | 0 | - | 4.82 | 55,736 |
| U.S. State Flags | 0 | - | 4.88 | 140,922 |
| U.S. States that Border Canada | 0 | - | 4.90 | 167,345 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,713 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,641 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,979 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 107,754 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 37,499 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 124,919 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,632 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 107,024 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,275 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.76 | 33,719 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 78,445 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,619 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,952 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,295,819 |
| U.S. State Symbols | 0 | - | 4.38 | 23,728 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,448 |
| U.S. States Without Individual Income Tax | 0 | - | 4.25 | 27,685 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,868 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.06 | 12,820 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 13,929 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 198,018 |
| U.S. Panhandles | 0 | - | 4.25 | 25,806 |
| Top 10 Happiest U.S. States | 0 | - | 4.37 | 19,133 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 19,844 |
| Hated U.S. States | 0 | - | 4.11 | 13,302 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 147,053 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,932 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,967 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,481 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,551,309 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,589 |
| Countries that Beat Canada | 0 | - | 4.91 | 79,452 |
| Random U.S. States on a Map | 0 | - | 4.95 | 515,529 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,959 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.39 | 28,602 |
| Top Producing U.S. States | 0 | - | 4.23 | 29,185 |
| Landmarks of U.S. States #2 | 0 | - | 4.21 | 17,855 |
| Landmarks of U.S. States #1 | 0 | - | 4.30 | 22,165 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,196 |
| States of Origin - American Popular Music | 0 | - | 4.20 | 9,999 |
| U.S Cities by African-American Population | 0 | - | 4.41 | 83,715 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 139,389 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 37,117 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,201 |
| United States Country Quiz | 0 | - | 4.44 | 91,164 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,644 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 73,361 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 47,882 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 51,681 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,561 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 123,426 |
| Events by U.S. State #1 | 0 | - | 4.42 | 21,948 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,751 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,852 |
| Random U.S. City to State | 0 | - | 4.44 | 67,002 |
| South America Capitals Quiz | 0 | - | 5.00 | 434,462 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,931 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,452,683 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,730 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.58 | 1,265,044 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 122,217 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,585 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,416 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,232 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,336 |
| Boroughs of New York City | 0 | - | 4.45 | 78,114 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,467 |
| The Only American Country ... | 0 | - | 4.94 | 111,745 |
| Belize Country Quiz | 0 | - | 4.88 | 19,127 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,629 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,086 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,336 |
| Movies by State Quiz | 0 | - | 4.23 | 39,559 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,567 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,779 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.37 | 236,119 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,677 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,197 |
| Brazil States Map Quiz | 0 | - | 4.84 | 41,025 |
| Europe Map Quiz | 0 | - | 5.00 | 4,359,911 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 221,048 |
| Largest United States Airlines | 0 | - | 4.38 | 52,479 |
| States of Brazil | 0 | - | 4.97 | 71,514 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 42,455 |
| American Geography Quiz for Dummies | 0 | - | 4.34 | 53,604 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 145,022 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 71,054 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,428 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,944 |
| ALL California Cities | 0 | - | 4.36 | 39,782 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,969 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 84,023 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 70,312 |
| Biggest Trading Partners - US | 0 | - | 4.64 | 102,625 |
| Colombia Country Quiz | 0 | - | 4.89 | 36,051 |
| Canada Country Quiz | 0 | - | 4.54 | 123,072 |
| Hawaiian Islands Map Quiz | 0 | - | 4.75 | 21,263 |
| Mexico States Map Quiz | 0 | - | 4.80 | 92,323 |
| Canada Cities Map Quiz | 0 | - | 4.57 | 110,506 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.44 | 51,250 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 37,034 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 32,175 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,823 |
| U.S. States by Clue #1 | 0 | - | 4.48 | 33,239 |
| U.S. States with More Cows than People | 0 | - | 4.58 | 39,421 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 62,765 |
| Events by U.S. State #2 | 0 | - | 4.27 | 17,934 |
| U.S. States with Spanish Names | 0 | - | 4.47 | 68,594 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.89 | 17,315 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 61,242 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 31,658 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 59,280 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 39,758 |
