| Music by Letter - F | 0 | - | 4.47 | 27,126 |
| Music by Letter - A | 0 | - | 4.61 | 31,521 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,553 |
| Music by Letter - E | 0 | - | 4.37 | 26,809 |
| Music by Letter - I | 0 | - | 4.22 | 15,887 |
| Music by Letter - H | 0 | - | 4.27 | 22,628 |
| Music by Letter - B | 0 | - | 4.39 | 25,472 |
| Music by Letter - J | 0 | - | 4.37 | 20,748 |
| Music by Letter - G | 0 | - | 4.35 | 21,421 |
| Music by Letter - R | 0 | - | 4.04 | 15,199 |
| Music by Letter - C | 0 | - | 4.14 | 21,406 |
| Music by Letter - P | 0 | - | 4.36 | 19,641 |
| Music by Letter - D | 0 | - | 4.27 | 22,345 |
| Music by Letter - W | 0 | - | 4.36 | 18,731 |
| Music by Letter - N | 0 | - | 4.23 | 14,854 |
| Music by Letter - V | 0 | - | 4.33 | 17,906 |
| Music by Letter - M | 0 | - | 4.27 | 18,371 |
| Music by Letter - K | 0 | - | 4.11 | 16,310 |
| Music by Letter - T | 0 | - | 4.31 | 19,451 |
| Music by Letter - L | 0 | - | 4.33 | 16,170 |
| Music by Letter - S | 0 | - | 4.22 | 19,139 |
| Music by Letter - O | 0 | - | 4.21 | 17,146 |
| Geography by Letter - T | 0 | - | 4.84 | 155,047 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,961 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,796 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,083 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,617 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,887 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,878 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,915 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,214 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,454 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,733 |
| Musical Acts by Letter - M | 0 | - | 4.15 | 93,811 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,569 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,678 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,588 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 68,275 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 83,109 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,654 |
| Musical Acts by Letter - C | 0 | - | 4.34 | 60,544 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,387 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,974 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,543 |
| A to Z: Musical Terms #2 | 0 | - | 4.08 | 11,123 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,477 |
| NATO Military Alphabet | 0 | - | 4.98 | 564,002 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,120 |
| Geography by Letter - A | 0 | - | 4.74 | 212,713 |
| Geography by Letter - B | 0 | - | 4.56 | 185,696 |
| Geography by Letter - H | 0 | - | 4.69 | 151,183 |
| Geography by Letter - C | 0 | - | 4.48 | 159,631 |
| Geography by Letter - D | 0 | - | 4.50 | 151,611 |
| Geography by Letter - E | 0 | - | 4.42 | 148,441 |
| Geography by Letter - I | 0 | - | 4.42 | 122,685 |
| Geography by Letter - K | 0 | - | 4.54 | 119,019 |
| Geography by Letter - L | 0 | - | 4.44 | 149,519 |
| Geography by Letter - M | 0 | - | 4.49 | 119,523 |
| Geography by Letter - N | 0 | - | 4.51 | 127,888 |
| Geography by Letter - P | 0 | - | 4.47 | 176,830 |
| Geography by Letter - R | 0 | - | 4.43 | 132,566 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,383 |
| Geography by Letter - U | 0 | - | 4.52 | 143,873 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,336 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,131 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,502 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,806 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,583 |
| Movies that Start with G | 0 | - | 4.49 | 68,802 |
| Movies that Start with I | 0 | - | 4.41 | 65,401 |
| History by Letter - A | 0 | - | 4.51 | 153,845 |
| History by Letter - B | 0 | - | 4.45 | 173,224 |
| History by Letter - C | 0 | - | 4.70 | 172,574 |
| History by Letter - E | 0 | - | 4.51 | 141,437 |
| History by Letter - G | 0 | - | 4.46 | 122,853 |
| History by Letter - H | 0 | - | 4.45 | 137,520 |
| History by Letter - J | 0 | - | 4.51 | 154,946 |
| History by Letter - N | 0 | - | 4.45 | 104,767 |
| History by Letter - S | 0 | - | 4.47 | 94,934 |
| History by Letter - W | 0 | - | 4.45 | 110,176 |
| History by Letter - M | 0 | - | 4.54 | 120,649 |
| History by Letter - K | 0 | - | 4.50 | 101,959 |
| History by Letter - L | 0 | - | 4.50 | 112,775 |
| History by Letter - I | 0 | - | 4.46 | 104,986 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,117 |
| Musical Acts by Letter - F | 0 | - | 3.86 | 62,674 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,613 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,751 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 83,349 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,532 |
| Countries by Military Spending | 0 | - | 4.93 | 178,947 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,549 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,669 |
| All Hamilton Songs | 0 | - | 4.75 | 49,556 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,324,900 |
| Animals that Start with L | 0 | - | 4.47 | 102,417 |
| Animals that Start with P | 0 | - | 4.45 | 86,454 |
| Animals that Start with S | 0 | - | 4.49 | 87,652 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,053 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,487 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 76,504 |
| Islands A-Z | 0 | - | 4.46 | 127,365 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,190 |
| Human Body A-Z | 0 | - | 4.51 | 129,621 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,962 |
| Africa A-Z | 0 | - | 4.57 | 46,760 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,670 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,450 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,428 |
| Queen Songs | 0 | - | 4.85 | 25,929 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,372 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 57,000 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,963 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.24 | 50,713 |
| Disney A-Z | 0 | - | 4.37 | 87,470 |
| Literature by Letter - A | 0 | - | 4.24 | 32,339 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,399 |
| Companies A-Z | 0 | - | 4.30 | 42,767 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,739 |
| Geography by Letter - G | 0 | - | 4.33 | 127,000 |
| Geography by Letter - F | 0 | - | 4.28 | 138,717 |
| Geography by Letter - J | 0 | - | 4.35 | 123,601 |
| Geography by Letter - O | 0 | - | 4.37 | 130,409 |
| Geography by Letter - V | 0 | - | 4.39 | 122,511 |
| Geography by Letter - W | 0 | - | 4.39 | 115,418 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,116 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,130 |
| Geography by Letter - Q | 0 | - | 4.38 | 70,011 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,369 |
| Video Games A-Z | 0 | - | 4.05 | 39,234 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,394 |
| Movies that Start with A | 0 | - | 4.13 | 62,122 |
| Movies that Start with C | 0 | - | 4.30 | 62,112 |
| Movies that Start with B | 0 | - | 4.36 | 85,684 |
| Movies that Start with D | 0 | - | 4.34 | 68,651 |
| Movies that Start with E | 0 | - | 4.13 | 68,583 |
| Movies that Start with J | 0 | - | 4.18 | 76,404 |
| Movies that Start with L | 0 | - | 4.16 | 60,586 |
| Movies that Start with M | 0 | - | 4.28 | 48,387 |
| Movies that Start with N | 0 | - | 4.02 | 41,384 |
| Movies that Start with P | 0 | - | 4.25 | 54,282 |
| Movies that Start with R | 0 | - | 4.17 | 46,805 |
| Movies that Start with W | 0 | - | 4.07 | 44,368 |
| Movies that Start with T | 0 | - | 4.34 | 49,449 |
| Movies that Start with S | 0 | - | 4.35 | 56,629 |
| Movies that Start with F | 0 | - | 4.13 | 69,070 |
| History by Letter - D | 0 | - | 4.40 | 138,541 |
| History by Letter - F | 0 | - | 4.19 | 115,055 |
| History by Letter - O | 0 | - | 4.32 | 100,253 |
| History by Letter - P | 0 | - | 4.36 | 108,439 |
| History by Letter - Q | 0 | - | 4.34 | 80,772 |
| History by Letter - R | 0 | - | 4.26 | 122,781 |
| History by Letter - T | 0 | - | 4.39 | 105,779 |
| History by Letter - U | 0 | - | 4.19 | 101,291 |
| History by Letter - V | 0 | - | 4.27 | 81,191 |
| History by Letter - Y | 0 | - | 4.27 | 87,700 |
| History by Letter - Z | 0 | - | 4.20 | 77,431 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,336 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,605 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,150 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,091 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,861 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,475 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,241 |
| Questions in Music | 0 | - | 4.41 | 55,174 |
| Top Musical Acts of All-Time | 0 | - | 3.83 | 132,798 |
| Countries with the Most Metal Bands | 0 | - | 4.97 | 85,395 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,440 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,434 |
| Middle East A-Z | 0 | - | 4.47 | 46,233 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,545 |
| 20th Century A-Z | 0 | - | 4.50 | 53,965 |
| 19th Century A-Z | 0 | - | 4.77 | 47,452 |
| 18th Century A-Z | 0 | - | 4.54 | 43,311 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,862 |
| Who Did that Pop Song #1 | 0 | - | 4.42 | 354,654 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 68,818 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,473 |
| Tony Best Musicals | 0 | - | 4.32 | 25,771 |
| Characters from Musicals | 0 | - | 4.24 | 26,857 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,975 |
| Family Bands | 0 | - | 4.13 | 21,872 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 104,673 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,789 |
| Star Wars A-Z | 0 | - | 4.46 | 88,808 |
| Monarchies of the World | 0 | - | 4.94 | 170,108 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,767 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,031 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,165 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,562 |
| Literature by Letter - D | 0 | - | 4.29 | 20,944 |
| Literature by Letter - C | 0 | - | 4.34 | 26,893 |
| Literature by Letter - F | 0 | - | 4.26 | 17,533 |
| Literature by Letter - E | 0 | - | 4.05 | 15,418 |
| Literature by Letter - H | 0 | - | 4.29 | 20,487 |
| Literature by Letter - I | 0 | - | 4.27 | 17,773 |
| Literature by Letter - L | 0 | - | 4.32 | 23,489 |
| Literature by Letter - M | 0 | - | 4.18 | 18,908 |
| Literature by Letter - P | 0 | - | 4.18 | 17,036 |
| Literature by Letter - O | 0 | - | 4.30 | 13,783 |
