| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,991 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,476 |
| US States Quiz | 0 | - | 5.00 | 16,787,254 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,638 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,183 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,293 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,845 |
| Middle East A-Z | 0 | - | 4.47 | 45,927 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,455 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,068 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,751 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,725 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,721 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,399 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,836 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,957 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,818 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,956 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,767 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,979 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,845 |
| Canada A-Z | 0 | - | 4.73 | 32,729 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,462 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,961 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,867 |
| California Cities A-Z | 0 | - | 4.06 | 17,123 |
| Texas A-Z | 0 | - | 4.18 | 16,339 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 29,810 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,132 |
| US States with an Empty Map | 0 | - | 5.00 | 621,600 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,401 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,565 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,346 |
| Rivers of the United States | 0 | - | 4.93 | 65,865 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,841 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,777 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,868 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,251 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,109 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,570 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,708 |
| European Geography A-Z | 0 | - | 4.29 | 49,125 |
| Africa A-Z | 0 | - | 4.57 | 46,509 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,505 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,502 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,765 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,206 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,624 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,786 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,887 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,085 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,328 |
| France A-Z | 0 | - | 4.16 | 38,116 |
| Switzerland A-Z | 0 | - | 4.45 | 25,583 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,219 |
| People on Money - United States | 0 | - | 4.31 | 63,271 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,528,267 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,628 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,326 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,895 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,702 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,146 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,122 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,005 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,458 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,356 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,044 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,823 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,453 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,627 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,812 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,128 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,085 |
| London A-Z | 0 | - | 4.10 | 40,709 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,967 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,528 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,265 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,722 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,197 |
| Countries that Start with A | 0 | - | 4.98 | 2,154,661 |
| Countries that Start with B | 0 | - | 4.95 | 2,286,835 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,923 |
| Countries that Start with D | 0 | - | 4.96 | 705,393 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,148 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,666 |
| Countries that Start with H | 0 | - | 4.96 | 601,163 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,003 |
| Countries that Start with J | 0 | - | 4.98 | 599,162 |
| Countries that Start with K | 0 | - | 4.97 | 812,301 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,466 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,481 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,287 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,484 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,942 |
| Countries that Start with U | 0 | - | 4.97 | 902,125 |
| Countries that Start with V | 0 | - | 4.98 | 607,298 |
| Countries that Start with F | 0 | - | 4.83 | 614,814 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,311 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,047 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,534 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,720 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,406 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,975 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,471 |
| African Geography A-Z | 0 | - | 4.33 | 21,449 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,897 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,980 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,672,942 |
| Turkey A-Z | 0 | - | 4.04 | 11,797 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,691 |
| U.S. Geography by Letter - W | 0 | - | 3.84 | 23,154 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,221 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,394 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,537 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,343 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,840 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,767 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,056 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,314 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,152 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,858 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,449 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,792 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,769 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,140 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,255 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,169 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,783 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,619 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,702 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,606 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,275 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,269 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,556 |
| O Canada Lyrics | 0 | - | 4.47 | 50,886 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,304 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,451 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,873 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,119 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,740 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,688 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,375 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,098 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,440 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,665 |
| Asian Geography By Letter - S | 0 | - | 4.16 | 55,990 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,809 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,098 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,640 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,606 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,115 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,617 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,702 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,505 |
| The Bible A-Z | 0 | - | 4.29 | 59,604 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,785 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,711 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,350 |
| 17th Century A-Z | 0 | - | 4.78 | 34,240 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,315 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,419 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,449 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,736 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,514 |
| Arms Exports - United States | 0 | - | 4.75 | 62,028 |
| American Founding Fathers | 0 | - | 4.42 | 23,119 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,924 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,605 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,292 |
| California Groups of Things | 0 | - | 4.25 | 45,341 |
| State Quiz - Florida | 0 | - | 4.47 | 62,141 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 71,874 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,445 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,227 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,429 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,264 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,357 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,683 |
| New York Groups of Things | 0 | - | 4.38 | 60,025 |
| State Quiz - New York | 0 | - | 4.52 | 45,930 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,029 |
| State Quiz - Texas | 0 | - | 4.43 | 62,698 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,836 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,046 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,178 |
| State Quiz - Washington | 0 | - | 4.45 | 36,302 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,345 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,842 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,741 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,402 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,844 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,353 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,364 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,243 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,711 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,046 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,691 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,510 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,275 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,037 |
