| US States Quiz | 0 | - | 5.00 | 16,700,658 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,256 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,732 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,357 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,413 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,668 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,906 |
| U.S. States By Population | 0 | - | 4.92 | 152,367 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,403 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,866 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,553 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,765 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,880 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,714 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,583 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,940 |
| US States with an Empty Map | 0 | - | 5.00 | 618,826 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,399 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,433 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,704 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,598 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,066 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,541 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,884 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,094 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,933 |
| New England States | 0 | - | 4.51 | 59,707 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,475 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,883 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,314 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,641 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,664 |
| U.S. States by Borders | 0 | - | 4.63 | 35,069 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,565 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,239 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,138 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,373 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,749 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,661 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,910 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,952 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,580 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,385 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,408 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,277 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,029 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,663 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,990 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,462 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,852 |
| Pixelated United States Map | 0 | - | 4.89 | 93,477 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,272 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,480 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,610 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,463 |
| Flyover States | 0 | - | 4.52 | 29,396 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,916 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,812 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,793 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,950 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,081 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,418 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,578 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,805 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,849 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,354 |
| Regions of U.S. States | 0 | - | 4.37 | 43,471 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,580 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,493 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,341 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,763 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,195 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,867 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,658 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,552 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,399 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,787 |
| States of Mexico | 0 | - | 4.95 | 173,337 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,415 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,019 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 39,722 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,483 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,695 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,918 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,274 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,817 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,812 |
| U.S. State Flags | 0 | - | 4.89 | 167,086 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,448 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,193 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,980 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,991 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,518 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,910 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,656 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,526 |
| US States and State Capitals | 0 | - | 4.99 | 158,516 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,359 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,034 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,227 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,928 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,027 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,506 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,044 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,768 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,391 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,665 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,557 |
| U.S. State Symbols | 0 | - | 4.38 | 24,255 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,834 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,449 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,901 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,527 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,844 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,547 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,506 |
| U.S. Panhandles | 0 | - | 4.21 | 27,070 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,727 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,240 |
| Hated U.S. States | 0 | - | 4.16 | 14,143 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,091 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,878 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,081 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,488 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,068 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,658 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,830 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,632 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,851 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,480 |
| Flags of North and South America | 0 | - | 4.99 | 367,201 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,028 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,396 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,943 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,748 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,619 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,719 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,703 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,596 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,805 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,476 |
| United States Country Quiz | 0 | - | 4.43 | 100,582 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,076 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,652 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,601 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,608 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,689 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,833 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,992 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,713 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,675 |
| Random U.S. City to State | 0 | - | 4.45 | 75,319 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,014 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,198 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,256 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,861 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,664,603 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,535 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,076 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,196 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,287 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,797 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,123 |
| Boroughs of New York City | 0 | - | 4.47 | 84,099 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| The Only American Country ... | 0 | - | 4.92 | 120,759 |
| Belize Country Quiz | 0 | - | 4.85 | 20,806 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,052 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,867 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,958 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,481 |
| Movies by State | 0 | - | 4.27 | 40,444 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 44,032 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,833 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,339 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,087 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,670 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,383 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,280 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,196 |
| Largest United States Airlines | 0 | - | 4.39 | 54,835 |
| States of Brazil | 0 | - | 4.98 | 86,383 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,962 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,272 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,446 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,731 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,780 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,498 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,532 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,149 |
| ALL California Cities | 0 | - | 4.36 | 42,813 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,448 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,924 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,072 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,344 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,316 |
| Canada Country Quiz | 0 | - | 4.54 | 131,710 |
