| Music by Letter - F | 0 | - | 4.47 | 27,101 |
| Music by Letter - A | 0 | - | 4.61 | 31,491 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,509 |
| Music by Letter - E | 0 | - | 4.39 | 26,783 |
| Music by Letter - I | 0 | - | 4.22 | 15,869 |
| Music by Letter - H | 0 | - | 4.27 | 22,614 |
| Music by Letter - B | 0 | - | 4.39 | 25,445 |
| Music by Letter - J | 0 | - | 4.37 | 20,728 |
| Music by Letter - G | 0 | - | 4.35 | 21,401 |
| Music by Letter - R | 0 | - | 4.04 | 15,179 |
| Music by Letter - C | 0 | - | 4.14 | 21,382 |
| Music by Letter - P | 0 | - | 4.36 | 19,624 |
| Music by Letter - D | 0 | - | 4.27 | 22,326 |
| Music by Letter - W | 0 | - | 4.36 | 18,713 |
| Music by Letter - N | 0 | - | 4.23 | 14,842 |
| Music by Letter - V | 0 | - | 4.33 | 17,889 |
| Music by Letter - M | 0 | - | 4.27 | 18,352 |
| Music by Letter - K | 0 | - | 4.11 | 16,293 |
| Music by Letter - T | 0 | - | 4.31 | 19,430 |
| Music by Letter - L | 0 | - | 4.33 | 16,151 |
| Music by Letter - S | 0 | - | 4.22 | 19,126 |
| Music by Letter - O | 0 | - | 4.21 | 17,122 |
| Geography by Letter - T | 0 | - | 4.84 | 154,829 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,809 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,635 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,936 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,398 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,727 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,607 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,643 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,036 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,306 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,673 |
| Musical Acts by Letter - M | 0 | - | 4.15 | 93,730 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,522 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,628 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,514 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 68,208 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 83,026 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,579 |
| Musical Acts by Letter - C | 0 | - | 4.34 | 60,485 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,337 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,926 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,223 |
| A to Z: Musical Terms #2 | 0 | - | 4.08 | 11,096 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,453 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,927 |
| NATO Military Alphabet | 0 | - | 4.98 | 563,093 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,093 |
| Geography by Letter - A | 0 | - | 4.74 | 212,520 |
| Geography by Letter - B | 0 | - | 4.56 | 185,505 |
| Geography by Letter - H | 0 | - | 4.69 | 151,037 |
| Geography by Letter - C | 0 | - | 4.48 | 159,476 |
| Geography by Letter - D | 0 | - | 4.50 | 151,466 |
| Geography by Letter - E | 0 | - | 4.42 | 148,290 |
| Geography by Letter - I | 0 | - | 4.42 | 122,566 |
| Geography by Letter - K | 0 | - | 4.54 | 118,915 |
| Geography by Letter - L | 0 | - | 4.44 | 149,393 |
| Geography by Letter - M | 0 | - | 4.49 | 119,407 |
| Geography by Letter - N | 0 | - | 4.51 | 127,765 |
| Geography by Letter - P | 0 | - | 4.47 | 176,699 |
| Geography by Letter - R | 0 | - | 4.43 | 132,400 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,230 |
| Geography by Letter - U | 0 | - | 4.53 | 143,725 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,295 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,075 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,469 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,747 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,524 |
| Movies that Start with G | 0 | - | 4.49 | 68,751 |
| Movies that Start with I | 0 | - | 4.41 | 65,362 |
| History by Letter - A | 0 | - | 4.51 | 153,677 |
| History by Letter - B | 0 | - | 4.45 | 173,026 |
| History by Letter - C | 0 | - | 4.70 | 172,360 |
| History by Letter - E | 0 | - | 4.51 | 141,272 |
| History by Letter - G | 0 | - | 4.46 | 122,708 |
| History by Letter - H | 0 | - | 4.45 | 137,363 |
| History by Letter - J | 0 | - | 4.51 | 154,752 |
| History by Letter - N | 0 | - | 4.45 | 104,628 |
| History by Letter - S | 0 | - | 4.47 | 94,825 |
| History by Letter - W | 0 | - | 4.45 | 110,052 |
| History by Letter - M | 0 | - | 4.54 | 120,511 |
| History by Letter - K | 0 | - | 4.50 | 101,835 |
| History by Letter - L | 0 | - | 4.50 | 112,630 |
| History by Letter - I | 0 | - | 4.46 | 104,860 |
| Musical Acts by Letter - F | 0 | - | 3.86 | 62,634 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,576 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,705 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 83,287 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,486 |
| Countries by Military Spending | 0 | - | 4.93 | 178,745 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,473 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,482 |
| All Hamilton Songs | 0 | - | 4.75 | 49,433 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,323,009 |
| Animals that Start with L | 0 | - | 4.47 | 102,351 |
| Animals that Start with P | 0 | - | 4.45 | 86,397 |
| Animals that Start with S | 0 | - | 4.49 | 87,597 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,935 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,345 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,595 |
| Islands A-Z | 0 | - | 4.45 | 126,766 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,431 |
| Human Body A-Z | 0 | - | 4.51 | 129,530 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,849 |
| Africa A-Z | 0 | - | 4.57 | 46,737 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,575 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,383 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,387 |
| Queen Songs | 0 | - | 4.85 | 25,874 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,360 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,940 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,922 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.24 | 50,659 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,455 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,005 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,997 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,700 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,333 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,093 |
| Disney A-Z | 0 | - | 4.37 | 87,400 |
| Literature by Letter - A | 0 | - | 4.24 | 32,305 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,383 |
| Companies A-Z | 0 | - | 4.30 | 42,752 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,710 |
| Geography by Letter - G | 0 | - | 4.33 | 126,886 |
| Geography by Letter - F | 0 | - | 4.28 | 138,612 |
| Geography by Letter - J | 0 | - | 4.35 | 123,492 |
| Geography by Letter - O | 0 | - | 4.37 | 130,304 |
| Geography by Letter - V | 0 | - | 4.39 | 122,362 |
| Geography by Letter - W | 0 | - | 4.39 | 115,317 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,012 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,048 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,930 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,352 |
| Video Games A-Z | 0 | - | 4.05 | 39,176 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,362 |
| Movies that Start with A | 0 | - | 4.13 | 62,077 |
| Movies that Start with C | 0 | - | 4.30 | 62,067 |
| Movies that Start with B | 0 | - | 4.36 | 85,637 |
| Movies that Start with D | 0 | - | 4.34 | 68,609 |
| Movies that Start with E | 0 | - | 4.13 | 68,552 |
| Movies that Start with J | 0 | - | 4.18 | 76,368 |
| Movies that Start with L | 0 | - | 4.16 | 60,561 |
| Movies that Start with M | 0 | - | 4.28 | 48,363 |
| Movies that Start with N | 0 | - | 4.02 | 41,356 |
| Movies that Start with P | 0 | - | 4.25 | 54,255 |
| Movies that Start with R | 0 | - | 4.17 | 46,773 |
| Movies that Start with W | 0 | - | 4.07 | 44,351 |
| Movies that Start with T | 0 | - | 4.34 | 49,426 |
| Movies that Start with S | 0 | - | 4.35 | 56,603 |
| Movies that Start with F | 0 | - | 4.13 | 69,034 |
| History by Letter - D | 0 | - | 4.40 | 138,389 |
| History by Letter - F | 0 | - | 4.18 | 114,928 |
| History by Letter - O | 0 | - | 4.32 | 99,933 |
| History by Letter - P | 0 | - | 4.36 | 108,303 |
| History by Letter - Q | 0 | - | 4.34 | 80,676 |
| History by Letter - R | 0 | - | 4.26 | 122,661 |
| History by Letter - T | 0 | - | 4.39 | 105,670 |
| History by Letter - U | 0 | - | 4.19 | 101,190 |
| History by Letter - V | 0 | - | 4.27 | 81,104 |
| History by Letter - Y | 0 | - | 4.27 | 87,618 |
| History by Letter - Z | 0 | - | 4.20 | 77,362 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,317 |
| Questions in Music | 0 | - | 4.41 | 55,052 |
| Top Musical Acts of All-Time | 0 | - | 3.83 | 132,754 |
| Countries with the Most Metal Bands | 0 | - | 4.97 | 84,977 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,155 |
| Top Five Exporting Partners by Country | 0 | - | 4.86 | 67,351 |
| Middle East A-Z | 0 | - | 4.47 | 46,204 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,487 |
| 20th Century A-Z | 0 | - | 4.50 | 53,913 |
| 19th Century A-Z | 0 | - | 4.77 | 47,418 |
| 18th Century A-Z | 0 | - | 4.54 | 43,276 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,845 |
| Who Did that Pop Song #1 | 0 | - | 4.42 | 354,422 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 68,660 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,333 |
| Tony Best Musicals | 0 | - | 4.32 | 25,751 |
| Characters from Musicals | 0 | - | 4.24 | 26,822 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,954 |
| Family Bands | 0 | - | 4.11 | 21,862 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,712 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,044 |
| Star Wars A-Z | 0 | - | 4.46 | 88,653 |
| Monarchies of the World | 0 | - | 4.94 | 169,777 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,627 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,870 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,015 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,486 |
| Literature by Letter - D | 0 | - | 4.29 | 20,915 |
| Literature by Letter - C | 0 | - | 4.34 | 26,865 |
| Literature by Letter - F | 0 | - | 4.26 | 17,502 |
| Literature by Letter - E | 0 | - | 4.05 | 15,387 |
| Literature by Letter - H | 0 | - | 4.29 | 20,416 |
| Literature by Letter - I | 0 | - | 4.26 | 17,679 |
| Literature by Letter - L | 0 | - | 4.32 | 23,465 |
| Literature by Letter - M | 0 | - | 4.18 | 18,883 |
| Literature by Letter - P | 0 | - | 4.18 | 17,014 |
| Literature by Letter - O | 0 | - | 4.30 | 13,762 |
