| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,422 |
| US States Quiz | 0 | - | 5.00 | 16,994,674 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,161 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,846 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,484 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,198 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,346 |
| US States with an Empty Map | 0 | - | 5.00 | 628,642 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,154 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,213 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,395 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,106 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,282 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,204 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,987 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,128 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,592 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,102 |
| Rivers of the United States | 0 | - | 4.93 | 66,660 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,515 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,824 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,108 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,843 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,437 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,661 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,421 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,183 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,001 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,354 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,813 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,555,514 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,432 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,587 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,986 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,498 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,877 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,319 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,727 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,819 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,992 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,682 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,761 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 65,003 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,441 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,034 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,817 |
| Random U.S. City to State | 0 | - | 4.45 | 76,907 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,869 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,418 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,420 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,692,936 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 69,926 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 55,208 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,535 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,333 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,398,413 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,461 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,183 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,232 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,108 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,950 |
| Boroughs of New York City | 0 | - | 4.47 | 85,323 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,124 |
| Monarchies of Europe | 0 | - | 4.90 | 98,866 |
| Monarchies of Asia | 0 | - | 4.97 | 71,502 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,284 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,486 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,705 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,540 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,012 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,113 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,160 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,655 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,940 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,885 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,943 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,127 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,210 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,369 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,076 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,141 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,637 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,831 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,905 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,966 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,881 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,872 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,556 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,396 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,439 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,688 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,327 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,264 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,827 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,869 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,786 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,735 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,462 |
| Europe Map Quiz | 0 | - | 5.00 | 4,787,842 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,471 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,543 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,376 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,878 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,122 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,060 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,026 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,602 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,437 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,180 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,906 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,734 |
| ALL California Cities | 0 | - | 4.37 | 43,236 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,817 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,673 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,222 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,314 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,938 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,301 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,070 |
| Arms Exports - United States | 0 | - | 4.77 | 62,730 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,098 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,995 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,187 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,534 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,438 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,753 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,986 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,303 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,997 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,279 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,896 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,543 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,697 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,515 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,547 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,513 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,242 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,425 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,630 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,539 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,706 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,884 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,625 |
| Pixelated United States Map | 0 | - | 4.88 | 94,808 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,563 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,073 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,401 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,269 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,300 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,873 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,342 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,357 |
| U.S. States By Population | 0 | - | 4.92 | 154,134 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,216 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,886 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,076 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,261 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,389 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,859 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,291 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,537 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,090 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,047 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,223 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,674 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,819 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,646 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,199 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,211 |
| State Quiz - Florida | 0 | - | 4.47 | 62,613 |
| State Quiz - Texas | 0 | - | 4.43 | 63,181 |
| State Quiz - Minnesota | 0 | - | 4.41 | 39,004 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,492 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,742 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,625 |
| State Quiz - New York | 0 | - | 4.52 | 46,406 |
| State Quiz - Washington | 0 | - | 4.45 | 36,638 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,557 |
| State Quiz - California | 0 | - | 4.69 | 64,785 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,276 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,924 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,344 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,301 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,369 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,776 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,629 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,096 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,848 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,629 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,004 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,537 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,251 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,649 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,315 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,094 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,711 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,074 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,797 |
| Hindu Countries | 0 | - | 4.87 | 50,574 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,248 |
