| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,173 |
| US States with an Empty Map | 0 | - | 5.00 | 629,515 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,597 |
| US States Quiz | 0 | - | 5.00 | 17,020,017 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,253 |
| Rivers of the United States | 0 | - | 4.93 | 66,782 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,987 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,650 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,258 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,212 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,378 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,450 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,369 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,443 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,575 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,346 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,282 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,686 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,831 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,979 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,695,526 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,203 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,983 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,354 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,528 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,023 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,173 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,037 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,857 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,144 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,718 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,797 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,187 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,520 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,912 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,755 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,906 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,105 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,710 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,784 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 65,050 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,480 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,098 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,843 |
| Random U.S. City to State | 0 | - | 4.45 | 77,016 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,892 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,452 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,141 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,532 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,558 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,381 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,399,845 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,479 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,208 |
| Every City in Arizona on a Map | 0 | - | 4.53 | 9,631 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,580 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,345 |
| Boroughs of New York City | 0 | - | 4.47 | 85,398 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,150 |
| Monarchies of Europe | 0 | - | 4.90 | 99,021 |
| Monarchies of Asia | 0 | - | 4.97 | 71,600 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,348 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,821 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,596 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,230 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,035 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,397 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,052 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,955 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,978 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,194 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,553 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,385 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,132 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,164 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,507 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 62,024 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,460 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,185 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,872 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,239 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,278 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,217 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,529 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,583 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,907 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,777 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,260 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,911 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,425 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,767 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,681 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,549 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,974 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,951 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,476 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,700 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,942 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,046 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,931 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,809 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,778 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,587 |
| Departments of France | 0 | - | 4.93 | 55,379 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 27,487 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,233 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,018 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,276 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,565 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,247 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,414 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,891 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,154 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,219 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,961 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,607 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,433 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,799 |
| ALL California Cities | 0 | - | 4.37 | 43,283 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,581 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,932 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,686 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,330 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,278 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,339 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,953 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,318 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,251 |
| Arms Exports - United States | 0 | - | 4.77 | 62,793 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,651 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,126 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,407 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,717 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,576 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,839 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 54,057 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,407 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,048 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,328 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,917 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,561 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,723 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,398 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,608 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,040 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 51,012 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,684 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,737 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,697 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,458 |
| U.S. Geography by Letter - P | 0 | - | 4.40 | 54,604 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,774 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,717 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,864 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,068 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,798 |
| Pixelated United States Map | 0 | - | 4.89 | 94,918 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,498 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,786 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,998 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,175 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 43,827 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,423 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,447 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,894 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,500 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,539 |
| U.S. States By Population | 0 | - | 4.92 | 154,246 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,360 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,971 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,162 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,352 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,473 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,968 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,343 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,593 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,198 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,167 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,313 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,766 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,872 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,715 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,060 |
| State Quiz - Florida | 0 | - | 4.47 | 62,741 |
| State Quiz - Texas | 0 | - | 4.43 | 63,290 |
| State Quiz - Minnesota | 0 | - | 4.41 | 39,081 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,578 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,828 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,693 |
| State Quiz - New York | 0 | - | 4.52 | 46,537 |
| State Quiz - Washington | 0 | - | 4.45 | 36,712 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,628 |
| State Quiz - California | 0 | - | 4.69 | 64,935 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,359 |
| State Quiz - Arizona | 0 | - | 4.44 | 37,009 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,418 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,420 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,437 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,954 |
