| US States Quiz | 0 | - | 5.00 | 16,900,980 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,332 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,045 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,594 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,575 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,192 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,492 |
| U.S. States By Population | 0 | - | 4.92 | 153,660 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,602 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,535 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,430 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,279 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,724 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,250 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,757 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,383 |
| US States with an Empty Map | 0 | - | 5.00 | 625,446 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,854 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,120 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,866 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,270 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,936 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,240 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,254 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,160 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,873 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,563 |
| New England States | 0 | - | 4.51 | 59,825 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,857 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,025 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,874 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,069 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,974 |
| U.S. States by Borders | 0 | - | 4.61 | 35,354 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,154 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,513 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,110 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,068 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,921 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,778 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,522 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,042 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,825 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,883 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,851 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,514 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,224 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,970 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,700 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,847 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,908 |
| Pixelated United States Map | 0 | - | 4.87 | 94,391 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,563 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,659 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,888 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,535 |
| Flyover States | 0 | - | 4.52 | 29,527 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,146 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,222 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,180 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,190 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,914 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,587 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,690 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,209 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,314 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,765 |
| Regions of U.S. States | 0 | - | 4.37 | 43,943 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,590 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,590 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,395 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,864 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,311 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,140 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,946 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,815 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,956 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,196 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,902 |
| States of Mexico | 0 | - | 4.96 | 176,491 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,509 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,461 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,585 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,092 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,070 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,110 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,400 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,017 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,838 |
| U.S. State Flags | 0 | - | 4.88 | 170,962 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,280 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,367 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,121 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,252 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,087 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,066 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,790 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,704 |
| US States and State Capitals | 0 | - | 4.99 | 163,105 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,432 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,493 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,617 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,939 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,319 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,065 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,506 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,904 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,086 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,895 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,514 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,787 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,542,647 |
| U.S. State Symbols | 0 | - | 4.38 | 24,316 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,868 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,519 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,644 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,589 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,929 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,103 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,451 |
| U.S. Panhandles | 0 | - | 4.21 | 27,176 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,786 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,685 |
| Hated U.S. States | 0 | - | 4.16 | 14,224 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,133 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,202 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,895 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,356 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,625 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,377 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,674 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,584 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,269 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,301 |
| Flags of North and South America | 0 | - | 4.99 | 373,830 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,189 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,452 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,017 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,808 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,677 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,387 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,744 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,992 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,131 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,601 |
| United States Country Quiz | 0 | - | 4.43 | 101,642 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,199 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,032 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,914 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,010 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,347 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,920 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,439 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,210 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,570 |
| Random U.S. City to State | 0 | - | 4.45 | 76,383 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,296 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,816 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,103 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,677 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,683,868 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,476 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,911 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,375 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,392,942 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,451 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,168 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,211 |
| Boroughs of New York City | 0 | - | 4.47 | 84,678 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,219 |
| The Only American Country ... | 0 | - | 4.92 | 121,744 |
| Belize Country Quiz | 0 | - | 4.85 | 21,004 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,239 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,555 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,555 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 629,025 |
| Movies by State | 0 | - | 4.27 | 40,558 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,446 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,515 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,407 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,302 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,853 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,200 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,781 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,595 |
| Largest United States Airlines | 0 | - | 4.39 | 55,055 |
| States of Brazil | 0 | - | 4.97 | 88,389 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,066 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,462 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,448 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,638 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,958 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,298 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,404 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,542 |
| ALL California Cities | 0 | - | 4.37 | 43,088 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,461 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,649 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,102 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,450 |
