| US States Quiz | 0 | - | 5.00 | 16,827,515 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,541 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,621 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,142 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,182 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,673 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,938 |
| U.S. States By Population | 0 | - | 4.92 | 152,983 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,169 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,305 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,110 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,094 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,444 |
| Draw All US State Borders | 0 | - | 4.99 | 136,479 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,684 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,353 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,855 |
| US States with an Empty Map | 0 | - | 5.00 | 623,148 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,300 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,739 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,618 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,383 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,817 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,785 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,006 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,063 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,584 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,334 |
| New England States | 0 | - | 4.51 | 59,780 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,742 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,979 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,680 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,905 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,860 |
| U.S. States by Borders | 0 | - | 4.61 | 35,254 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,960 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,423 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,933 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,441 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,506 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,294 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,132 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,768 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,741 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,701 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,692 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,431 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,142 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,842 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,960 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,317 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,492 |
| Pixelated United States Map | 0 | - | 4.87 | 94,055 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,465 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,592 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,775 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,505 |
| Flyover States | 0 | - | 4.52 | 29,474 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,075 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,062 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,061 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,728 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,644 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,116 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,505 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,094 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,341 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,582 |
| Regions of U.S. States | 0 | - | 4.37 | 43,778 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,212 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,549 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,367 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,832 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,268 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,099 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,459 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,377 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,832 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,879 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,436 |
| States of Mexico | 0 | - | 4.95 | 175,441 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,473 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,910 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,960 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,887 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,947 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,041 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,351 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,938 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,490 |
| U.S. State Flags | 0 | - | 4.89 | 169,664 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,289 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,311 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,069 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,170 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,843 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,006 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,742 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,646 |
| US States and State Capitals | 0 | - | 4.99 | 161,175 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,248 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,997 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,263 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,385 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,285 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,019 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,339 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,778 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,733 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,850 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,463 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,731 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,127 |
| U.S. State Symbols | 0 | - | 4.38 | 24,292 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,856 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,488 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,367 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,564 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,281 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,808 |
| U.S. Panhandles | 0 | - | 4.21 | 27,130 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,768 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,653 |
| Hated U.S. States | 0 | - | 4.16 | 14,203 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,116 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,751 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,492 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,033 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,415 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,100 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,360 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,168 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,276 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,945 |
| Flags of North and South America | 0 | - | 4.99 | 371,762 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,127 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,426 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,986 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,792 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,655 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,249 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,376 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,856 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,022 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,550 |
| United States Country Quiz | 0 | - | 4.43 | 101,287 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,157 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,882 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,814 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,865 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 129,093 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,898 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,267 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,033 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,207 |
| Random U.S. City to State | 0 | - | 4.45 | 76,041 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,200 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,602 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,303 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,815 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,408 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,270 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,764 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,291 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,388,701 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,227 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,110 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,168 |
| Boroughs of New York City | 0 | - | 4.47 | 84,469 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,909 |
| The Only American Country ... | 0 | - | 4.92 | 121,380 |
| Belize Country Quiz | 0 | - | 4.85 | 20,928 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,172 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,314 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,346 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,080 |
| Movies by State | 0 | - | 4.27 | 40,524 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,382 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,324 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,384 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,879 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,791 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,834 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,743 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,121 |
| Largest United States Airlines | 0 | - | 4.39 | 54,987 |
| States of Brazil | 0 | - | 4.97 | 87,561 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,621 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,993 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,026 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,206 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,539 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,428 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,014 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,406 |
| ALL California Cities | 0 | - | 4.37 | 42,984 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,443 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,188 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,031 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,323 |
