| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,469 |
| US States with an Empty Map | 0 | - | 5.00 | 619,446 |
| US States Quiz | 0 | - | 5.00 | 16,718,695 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,402 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,509 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,662 |
| Rivers of the United States | 0 | - | 4.93 | 65,590 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,152 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,513 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,837 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,847 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,689 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,058 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,035 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,707 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,922 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,969 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,774 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,173 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,591 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,666,087 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,315 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,421 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,716 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,708 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,209 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,532 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,592 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,632 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,812 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,292 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,520,653 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,735 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,669 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,280 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,209 |
| State Quiz - Colorado | 0 | - | 4.35 | 47,946 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,594 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,071 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,354 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,269 |
| State Quiz - Washington | 0 | - | 4.45 | 36,195 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,184 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,823 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,923 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,673 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,934 |
| Random U.S. City to State | 0 | - | 4.45 | 75,434 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,258 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,756 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,260 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,381,705 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,203 |
| Boroughs of New York City | 0 | - | 4.47 | 84,155 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,666 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,652 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,064 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,936 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,013 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,610 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,429 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,087 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,107 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,236 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,936 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,462 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,107 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,686 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,444 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,200 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,527 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,871 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,463 |
| All About Atlanta | 0 | - | 4.60 | 11,208 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,734 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,220 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,327 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,206 |
| Departments of France | 0 | - | 4.93 | 52,933 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,766 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,452 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,430 |
| State Quiz - Wisconsin | 0 | - | 4.40 | 39,978 |
| State Quiz - Ohio | 0 | - | 4.23 | 45,086 |
| State Quiz - North Carolina | 0 | - | 4.32 | 39,399 |
| State Quiz - Massachusetts | 0 | - | 4.36 | 35,198 |
| History of Louisiana | 0 | - | 4.46 | 9,497 |
| State Quiz - Mississippi | 0 | - | 4.47 | 23,281 |
| State Quiz - West Virginia | 0 | - | 4.42 | 21,854 |
| State Quiz - Nebraska | 0 | - | 4.53 | 23,960 |
| State Quiz - Missouri | 0 | - | 4.44 | 24,596 |
| State Quiz - Idaho | 0 | - | 4.58 | 27,270 |
| State Quiz - Maine | 0 | - | 4.52 | 25,260 |
| State Quiz - North Dakota | 0 | - | 4.48 | 21,522 |
| State Quiz - Rhode Island | 0 | - | 4.56 | 25,656 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,378 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,801 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,891 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,616 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,184 |
| ALL California Cities | 0 | - | 4.37 | 42,839 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,393 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,566 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,939 |
| Arms Exports - United States | 0 | - | 4.70 | 54,408 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,584 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,942 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,299 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,384 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,374 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,684 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,331 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,461 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,836 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,807 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,886 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,263 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,524 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,500 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,498 |
| U.S. Geography by Letter - T | 0 | - | 4.28 | 49,172 |
| U.S. Geography by Letter - P | 0 | - | 4.35 | 47,581 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,761 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,564 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,747 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,504 |
| Pixelated United States Map | 0 | - | 4.89 | 93,575 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,183 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,442 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,591 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,424 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,848 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,661 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,467 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,510 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,448 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,793 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,055 |
| U.S. States By Population | 0 | - | 4.92 | 152,460 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,514 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,930 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,221 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,762 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,949 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 40,572 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,364 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,537 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,624 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,734 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,800 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,959 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,297 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,492 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,970 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,131 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,553 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,102 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,709 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,470 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,115 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,448 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,888 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,583 |
| State Quiz - Florida | 0 | - | 4.47 | 61,981 |
| State Quiz - Texas | 0 | - | 4.43 | 62,545 |
| State Quiz - New York | 0 | - | 4.52 | 45,790 |
| State Quiz - California | 0 | - | 4.68 | 64,026 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,528 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,536 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,770 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,437 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,492 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,686 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,806 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,089 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,607 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,596 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,910 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,047 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,799 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,357 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,862 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,638 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,820 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,529 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,134 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,313 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,698 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,028 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,851 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,001 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,662 |
| Asia Map Quiz | 0 | - | 4.99 | 907,834 |
| Topological Map of the USA Quiz | 0 | - | 4.49 | 28,877 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,020 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 20,909 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,307 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,325 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,590 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,818 |
