| Music by Letter - F | 0 | - | 4.47 | 27,121 |
| Music by Letter - A | 0 | - | 4.61 | 31,511 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,536 |
| Music by Letter - E | 0 | - | 4.39 | 26,801 |
| Music by Letter - I | 0 | - | 4.22 | 15,879 |
| Music by Letter - H | 0 | - | 4.27 | 22,624 |
| Music by Letter - B | 0 | - | 4.39 | 25,463 |
| Music by Letter - J | 0 | - | 4.37 | 20,745 |
| Music by Letter - G | 0 | - | 4.35 | 21,415 |
| Music by Letter - R | 0 | - | 4.04 | 15,193 |
| Music by Letter - C | 0 | - | 4.14 | 21,400 |
| Music by Letter - P | 0 | - | 4.36 | 19,637 |
| Music by Letter - W | 0 | - | 4.36 | 18,726 |
| Music by Letter - N | 0 | - | 4.23 | 14,852 |
| Music by Letter - V | 0 | - | 4.33 | 17,900 |
| Music by Letter - M | 0 | - | 4.27 | 18,366 |
| Music by Letter - K | 0 | - | 4.11 | 16,303 |
| Music by Letter - T | 0 | - | 4.31 | 19,443 |
| Music by Letter - L | 0 | - | 4.33 | 16,166 |
| Music by Letter - S | 0 | - | 4.22 | 19,134 |
| Music by Letter - O | 0 | - | 4.21 | 17,140 |
| Geography by Letter - T | 0 | - | 4.84 | 154,983 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,915 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,751 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,028 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,534 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,827 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,780 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,824 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,157 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,391 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,716 |
| Musical Acts by Letter - M | 0 | - | 4.15 | 93,779 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,550 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,665 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,568 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 68,259 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 83,086 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,629 |
| Musical Acts by Letter - C | 0 | - | 4.34 | 60,524 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,371 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,962 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,416 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,809 |
| A to Z: Musical Terms #2 | 0 | - | 4.08 | 11,116 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,470 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,045 |
| NATO Military Alphabet | 0 | - | 4.98 | 563,712 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,110 |
| Geography by Letter - A | 0 | - | 4.74 | 212,647 |
| Geography by Letter - B | 0 | - | 4.56 | 185,635 |
| Geography by Letter - H | 0 | - | 4.69 | 151,137 |
| Geography by Letter - C | 0 | - | 4.48 | 159,580 |
| Geography by Letter - D | 0 | - | 4.50 | 151,564 |
| Geography by Letter - E | 0 | - | 4.42 | 148,388 |
| Geography by Letter - I | 0 | - | 4.42 | 122,644 |
| Geography by Letter - K | 0 | - | 4.54 | 118,992 |
| Geography by Letter - L | 0 | - | 4.44 | 149,476 |
| Geography by Letter - M | 0 | - | 4.49 | 119,485 |
| Geography by Letter - N | 0 | - | 4.51 | 127,851 |
| Geography by Letter - P | 0 | - | 4.47 | 176,793 |
| Geography by Letter - R | 0 | - | 4.43 | 132,518 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,339 |
| Geography by Letter - U | 0 | - | 4.52 | 143,825 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,323 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,113 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,495 |
| Empires A-Z | 0 | - | 4.52 | 45,422 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,783 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,568 |
| Movies that Start with G | 0 | - | 4.49 | 68,784 |
| Movies that Start with I | 0 | - | 4.41 | 65,390 |
| History by Letter - A | 0 | - | 4.51 | 153,799 |
| History by Letter - B | 0 | - | 4.45 | 173,180 |
| History by Letter - C | 0 | - | 4.70 | 172,514 |
| History by Letter - E | 0 | - | 4.51 | 141,399 |
| History by Letter - G | 0 | - | 4.46 | 122,813 |
| History by Letter - H | 0 | - | 4.45 | 137,480 |
| History by Letter - J | 0 | - | 4.51 | 154,895 |
| History by Letter - N | 0 | - | 4.45 | 104,724 |
| History by Letter - S | 0 | - | 4.47 | 94,901 |
| History by Letter - W | 0 | - | 4.45 | 110,136 |
| History by Letter - M | 0 | - | 4.54 | 120,611 |
| History by Letter - K | 0 | - | 4.50 | 101,924 |
| History by Letter - L | 0 | - | 4.50 | 112,730 |
| History by Letter - I | 0 | - | 4.46 | 104,954 |
| Musical Acts by Letter - F | 0 | - | 3.86 | 62,659 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,601 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,731 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 83,333 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,514 |
| Countries by Military Spending | 0 | - | 4.93 | 178,884 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,526 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,617 |
| All Hamilton Songs | 0 | - | 4.75 | 49,527 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,324,278 |
| Animals that Start with L | 0 | - | 4.47 | 102,393 |
| Animals that Start with P | 0 | - | 4.45 | 86,435 |
| Animals that Start with S | 0 | - | 4.49 | 87,633 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,019 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,450 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 73,917 |
| Islands A-Z | 0 | - | 4.46 | 127,144 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,883 |
| Human Body A-Z | 0 | - | 4.51 | 129,588 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,925 |
| Africa A-Z | 0 | - | 4.57 | 46,753 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,481 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,641 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,428 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,416 |
| Queen Songs | 0 | - | 4.85 | 25,912 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,369 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,986 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,954 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.24 | 50,695 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,535 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,102 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,057 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,806 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,430 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,173 |
| Disney A-Z | 0 | - | 4.37 | 87,450 |
| Literature by Letter - A | 0 | - | 4.24 | 32,326 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,392 |
| Companies A-Z | 0 | - | 4.30 | 42,763 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,727 |
| Geography by Letter - G | 0 | - | 4.33 | 126,961 |
| Geography by Letter - F | 0 | - | 4.28 | 138,675 |
| Geography by Letter - J | 0 | - | 4.35 | 123,559 |
| Geography by Letter - O | 0 | - | 4.37 | 130,377 |
| Geography by Letter - V | 0 | - | 4.39 | 122,469 |
| Geography by Letter - W | 0 | - | 4.39 | 115,390 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,081 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,099 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,987 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,367 |
| Video Games A-Z | 0 | - | 4.05 | 39,213 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,385 |
| Movies that Start with A | 0 | - | 4.13 | 62,110 |
| Movies that Start with C | 0 | - | 4.30 | 62,100 |
| Movies that Start with B | 0 | - | 4.36 | 85,672 |
| Movies that Start with D | 0 | - | 4.34 | 68,634 |
| Movies that Start with E | 0 | - | 4.13 | 68,574 |
| Movies that Start with J | 0 | - | 4.18 | 76,394 |
| Movies that Start with L | 0 | - | 4.16 | 60,575 |
| Movies that Start with M | 0 | - | 4.28 | 48,377 |
| Movies that Start with N | 0 | - | 4.02 | 41,374 |
| Movies that Start with P | 0 | - | 4.25 | 54,272 |
| Movies that Start with R | 0 | - | 4.17 | 46,794 |
| Movies that Start with W | 0 | - | 4.07 | 44,362 |
| Movies that Start with T | 0 | - | 4.34 | 49,441 |
| Movies that Start with S | 0 | - | 4.35 | 56,616 |
| Movies that Start with F | 0 | - | 4.13 | 69,056 |
| History by Letter - D | 0 | - | 4.40 | 138,504 |
| History by Letter - F | 0 | - | 4.18 | 115,022 |
| History by Letter - O | 0 | - | 4.32 | 100,178 |
| History by Letter - P | 0 | - | 4.36 | 108,394 |
| History by Letter - Q | 0 | - | 4.34 | 80,744 |
| History by Letter - R | 0 | - | 4.26 | 122,749 |
| History by Letter - T | 0 | - | 4.39 | 105,748 |
| History by Letter - U | 0 | - | 4.19 | 101,258 |
| History by Letter - V | 0 | - | 4.27 | 81,162 |
| History by Letter - Y | 0 | - | 4.27 | 87,672 |
| History by Letter - Z | 0 | - | 4.20 | 77,411 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,330 |
| Questions in Music | 0 | - | 4.41 | 55,138 |
| Top Musical Acts of All-Time | 0 | - | 3.83 | 132,776 |
| Countries with the Most Metal Bands | 0 | - | 4.97 | 85,280 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,370 |
| Top Five Exporting Partners by Country | 0 | - | 4.86 | 67,406 |
| Middle East A-Z | 0 | - | 4.47 | 46,223 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,526 |
| 20th Century A-Z | 0 | - | 4.50 | 53,953 |
| 19th Century A-Z | 0 | - | 4.77 | 47,444 |
| 18th Century A-Z | 0 | - | 4.54 | 43,297 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,859 |
| Who Did that Pop Song #1 | 0 | - | 4.42 | 354,582 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 68,770 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,436 |
| Tony Best Musicals | 0 | - | 4.32 | 25,767 |
| Characters from Musicals | 0 | - | 4.24 | 26,848 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,967 |
| Family Bands | 0 | - | 4.11 | 21,867 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 103,139 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,505 |
| Star Wars A-Z | 0 | - | 4.46 | 88,756 |
| Monarchies of the World | 0 | - | 4.94 | 170,000 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,721 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,981 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,121 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,544 |
| Literature by Letter - D | 0 | - | 4.29 | 20,935 |
| Literature by Letter - C | 0 | - | 4.34 | 26,883 |
| Literature by Letter - F | 0 | - | 4.26 | 17,524 |
| Literature by Letter - E | 0 | - | 4.05 | 15,411 |
| Literature by Letter - H | 0 | - | 4.29 | 20,468 |
| Literature by Letter - I | 0 | - | 4.26 | 17,744 |
| Literature by Letter - L | 0 | - | 4.32 | 23,480 |
| Literature by Letter - M | 0 | - | 4.18 | 18,900 |
