| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,160 |
| US States Quiz | 0 | - | 5.00 | 16,834,518 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,115 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,976 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,443 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,843 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,106 |
| US States with an Empty Map | 0 | - | 5.00 | 623,346 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,534,107 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,362 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,862 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,677 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,561 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,110 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,745 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,399 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,919 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,731 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,238 |
| Rivers of the United States | 0 | - | 4.93 | 66,077 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,488 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,413 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,809 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,836 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,339 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,268 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,200 |
| Random U.S. City to State | 0 | - | 4.45 | 76,135 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,223 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,017 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,383 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,360 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,531 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,351 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,646 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,470 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,191 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,419 |
| Arms Exports - United States | 0 | - | 4.75 | 62,272 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,118 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,567 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,595 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,568 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,993 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,543 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,905 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,959 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,622 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,497 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,677,003 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,301 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,786 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,303 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,460 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,529 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,038 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,650 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,350 |
| Boroughs of New York City | 0 | - | 4.47 | 84,502 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,986 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,073 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,996 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,887 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,825 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,193 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,337 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,365 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,749 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,715 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,408 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,291 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,707 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,850 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,613 |
| Movies by State | 0 | - | 4.27 | 40,527 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,672 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,507 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,726 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,557 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,094 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,274 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,053 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,792 |
| Name a Valid African Country | 0 | - | 4.98 | 153,795 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,053 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,799 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,064 |
| States that Beat California | 0 | - | 4.54 | 63,538 |
| States that Beat Texas | 0 | - | 4.58 | 44,296 |
| States that Beat New York | 0 | - | 4.50 | 44,871 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,041 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,063 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,229 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,583 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,496 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,041 |
| ALL California Cities | 0 | - | 4.37 | 42,989 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,731 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,446 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,215 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,555 |
| Random European Capital to Country | 0 | - | 4.98 | 190,648 |
| Random European Country to Capital | 0 | - | 4.93 | 164,657 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,226 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,608 |
| Random African Capital to Country | 0 | - | 4.97 | 100,500 |
| Random African Country to Capital | 0 | - | 4.94 | 71,098 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,408 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,035 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,599 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,840 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,560 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,804 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,624 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,639 |
| United States Country Quiz | 0 | - | 4.43 | 101,335 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,251 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,770 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,437 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,722 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,994 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,977 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 56,982 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,669 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,194 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,249 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,042 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,215 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,014 |
| Pixelated United States Map | 0 | - | 4.87 | 94,089 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,479 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,646 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,175 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,216 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,668 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,710 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,982 |
| U.S. States By Population | 0 | - | 4.92 | 153,015 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,203 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,322 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,439 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,945 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,393 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,994 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,750 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,144 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,112 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,474 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,472 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,596 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,785 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,551 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,049 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,429 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,121 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,692 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,263 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,690 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,670 |
| State Quiz - Florida | 0 | - | 4.47 | 62,246 |
| State Quiz - Texas | 0 | - | 4.43 | 62,793 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,753 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,245 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,503 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,416 |
| State Quiz - New York | 0 | - | 4.52 | 46,021 |
| State Quiz - Washington | 0 | - | 4.45 | 36,363 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,340 |
| State Quiz - California | 0 | - | 4.68 | 64,324 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,988 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,660 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,092 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,932 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,112 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,345 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,859 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,645 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,660 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,775 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,215 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,827 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,650 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,913 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,484 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,029 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,706 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,076 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,193 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,896 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,944 |
| Which City in Europe? | 0 | - | 4.83 | 107,181 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,696 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,446 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,518 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,875 |
| Countries that Beat China | 0 | - | 4.86 | 115,511 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,476 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,335 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,746 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,700 |
