| Music by Letter - F | 0 | - | 4.48 | 26,866 |
| Music by Letter - A | 0 | - | 4.61 | 31,236 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,140 |
| Music by Letter - E | 0 | - | 4.39 | 26,584 |
| Music by Letter - I | 0 | - | 4.22 | 15,706 |
| Music by Letter - H | 0 | - | 4.27 | 22,413 |
| Music by Letter - B | 0 | - | 4.39 | 25,247 |
| Music by Letter - J | 0 | - | 4.37 | 20,574 |
| Music by Letter - G | 0 | - | 4.35 | 21,231 |
| Music by Letter - R | 0 | - | 4.10 | 15,031 |
| Music by Letter - C | 0 | - | 4.19 | 21,201 |
| Music by Letter - P | 0 | - | 4.38 | 19,470 |
| Music by Letter - D | 0 | - | 4.32 | 22,125 |
| Music by Letter - W | 0 | - | 4.36 | 18,587 |
| Music by Letter - N | 0 | - | 4.23 | 14,703 |
| Music by Letter - V | 0 | - | 4.33 | 17,752 |
| Music by Letter - M | 0 | - | 4.27 | 18,180 |
| Music by Letter - K | 0 | - | 4.11 | 16,146 |
| Music by Letter - T | 0 | - | 4.31 | 19,287 |
| Music by Letter - L | 0 | - | 4.33 | 16,000 |
| Music by Letter - S | 0 | - | 4.22 | 18,978 |
| Music by Letter - O | 0 | - | 4.21 | 16,977 |
| Geography by Letter - T | 0 | - | 4.84 | 152,711 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,431 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,105 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,888 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,231 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,551 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,059 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,657 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,537 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,299 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,242 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,043 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,136 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,208 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,049 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,634 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,416 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,021 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 60,002 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,930 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,465 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,312 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,968 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,236 |
| NATO Military Alphabet | 0 | - | 4.98 | 555,282 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,706 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,858 |
| Geography by Letter - A | 0 | - | 4.74 | 210,365 |
| Geography by Letter - B | 0 | - | 4.56 | 183,492 |
| Geography by Letter - H | 0 | - | 4.69 | 149,448 |
| Geography by Letter - C | 0 | - | 4.47 | 157,759 |
| Geography by Letter - D | 0 | - | 4.50 | 149,681 |
| Geography by Letter - E | 0 | - | 4.42 | 146,819 |
| Geography by Letter - I | 0 | - | 4.42 | 121,344 |
| Geography by Letter - K | 0 | - | 4.53 | 117,474 |
| Geography by Letter - L | 0 | - | 4.43 | 147,788 |
| Geography by Letter - M | 0 | - | 4.49 | 117,793 |
| Geography by Letter - N | 0 | - | 4.51 | 126,405 |
| Geography by Letter - P | 0 | - | 4.47 | 175,321 |
| Geography by Letter - R | 0 | - | 4.44 | 130,554 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,795 |
| Geography by Letter - U | 0 | - | 4.53 | 142,272 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,012 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,731 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,220 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,389 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,973 |
| Movies that Start with G | 0 | - | 4.48 | 68,301 |
| Movies that Start with I | 0 | - | 4.41 | 64,944 |
| History by Letter - A | 0 | - | 4.51 | 152,286 |
| History by Letter - B | 0 | - | 4.45 | 171,462 |
| History by Letter - C | 0 | - | 4.70 | 170,546 |
| History by Letter - E | 0 | - | 4.51 | 140,013 |
| History by Letter - G | 0 | - | 4.46 | 121,581 |
| History by Letter - H | 0 | - | 4.45 | 136,020 |
| History by Letter - J | 0 | - | 4.51 | 153,404 |
| History by Letter - N | 0 | - | 4.45 | 103,508 |
| History by Letter - S | 0 | - | 4.47 | 93,788 |
| History by Letter - W | 0 | - | 4.45 | 108,877 |
| History by Letter - M | 0 | - | 4.54 | 119,224 |
| History by Letter - K | 0 | - | 4.50 | 100,927 |
| History by Letter - L | 0 | - | 4.50 | 111,625 |
| History by Letter - I | 0 | - | 4.46 | 103,788 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,495 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,381 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,345 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,244 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,368 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 82,793 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,141 |
| Countries by Military Spending | 0 | - | 4.93 | 176,639 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,618 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 119,882 |
| All Hamilton Songs | 0 | - | 4.74 | 48,462 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,307,306 |
| Animals that Start with L | 0 | - | 4.47 | 101,592 |
| Animals that Start with P | 0 | - | 4.45 | 85,853 |
| Animals that Start with S | 0 | - | 4.49 | 87,030 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,779 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,788 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 66,799 |
| Islands A-Z | 0 | - | 4.46 | 116,932 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 58,176 |
| Human Body A-Z | 0 | - | 4.51 | 128,710 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,798 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,915 |
| Africa A-Z | 0 | - | 4.57 | 46,420 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,707 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,884 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,006 |
| Queen Songs | 0 | - | 4.84 | 25,299 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,223 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,471 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,604 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.27 | 50,268 |
| Disney A-Z | 0 | - | 4.37 | 86,672 |
| Literature by Letter - A | 0 | - | 4.23 | 31,792 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,081 |
| Companies A-Z | 0 | - | 4.30 | 42,630 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,516 |
| Geography by Letter - G | 0 | - | 4.35 | 125,616 |
| Geography by Letter - F | 0 | - | 4.27 | 137,196 |
| Geography by Letter - J | 0 | - | 4.34 | 122,291 |
| Geography by Letter - O | 0 | - | 4.37 | 129,135 |
| Geography by Letter - V | 0 | - | 4.39 | 121,061 |
| Geography by Letter - W | 0 | - | 4.39 | 114,326 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,799 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,154 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,998 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,137 |
| Video Games A-Z | 0 | - | 4.08 | 38,752 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,107 |
| Movies that Start with A | 0 | - | 4.13 | 61,685 |
| Movies that Start with C | 0 | - | 4.30 | 61,627 |
| Movies that Start with B | 0 | - | 4.35 | 84,973 |
| Movies that Start with D | 0 | - | 4.34 | 68,266 |
| Movies that Start with E | 0 | - | 4.13 | 68,201 |
| Movies that Start with J | 0 | - | 4.18 | 75,967 |
| Movies that Start with L | 0 | - | 4.16 | 60,247 |
| Movies that Start with M | 0 | - | 4.28 | 48,095 |
| Movies that Start with N | 0 | - | 4.02 | 41,134 |
| Movies that Start with P | 0 | - | 4.25 | 54,028 |
| Movies that Start with R | 0 | - | 4.17 | 46,480 |
| Movies that Start with W | 0 | - | 4.07 | 44,156 |
| Movies that Start with T | 0 | - | 4.33 | 49,149 |
| Movies that Start with S | 0 | - | 4.35 | 56,299 |
| Movies that Start with F | 0 | - | 4.13 | 68,678 |
| History by Letter - D | 0 | - | 4.39 | 137,020 |
| History by Letter - F | 0 | - | 4.18 | 113,805 |
| History by Letter - O | 0 | - | 4.32 | 99,157 |
| History by Letter - P | 0 | - | 4.39 | 107,450 |
| History by Letter - Q | 0 | - | 4.34 | 80,053 |
| History by Letter - R | 0 | - | 4.26 | 121,781 |
| History by Letter - T | 0 | - | 4.39 | 104,965 |
| History by Letter - U | 0 | - | 4.19 | 100,457 |
| History by Letter - V | 0 | - | 4.27 | 80,463 |
| History by Letter - Y | 0 | - | 4.27 | 87,008 |
| History by Letter - Z | 0 | - | 4.18 | 76,806 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,137 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,860 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,151 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,393 |
| Questions in Music | 0 | - | 4.41 | 54,085 |
| Top Musical Acts of All-Time | 0 | - | 3.86 | 132,341 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 67,227 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,056 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,905 |
| Middle East A-Z | 0 | - | 4.47 | 45,857 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,197 |
| 20th Century A-Z | 0 | - | 4.50 | 53,224 |
| 19th Century A-Z | 0 | - | 4.77 | 46,781 |
| 18th Century A-Z | 0 | - | 4.54 | 42,681 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,635 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 352,415 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.95 | 67,188 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,115 |
| Tony Best Musicals | 0 | - | 4.31 | 25,469 |
| Characters from Musicals | 0 | - | 4.24 | 26,551 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,802 |
| Family Bands | 0 | - | 4.11 | 21,781 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,224 |
| Star Wars A-Z | 0 | - | 4.46 | 87,294 |
| Monarchies of the World | 0 | - | 4.94 | 166,988 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,878 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,126 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,624 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,752 |
| Literature by Letter - D | 0 | - | 4.30 | 20,481 |
| Literature by Letter - C | 0 | - | 4.34 | 26,413 |
| Literature by Letter - F | 0 | - | 4.26 | 17,101 |
| Literature by Letter - E | 0 | - | 4.03 | 14,987 |
| Literature by Letter - H | 0 | - | 4.23 | 18,023 |
| Literature by Letter - I | 0 | - | 4.25 | 15,167 |
| Literature by Letter - L | 0 | - | 4.32 | 23,162 |
| Literature by Letter - M | 0 | - | 4.18 | 18,560 |
| Literature by Letter - P | 0 | - | 4.18 | 16,686 |
| Literature by Letter - O | 0 | - | 4.30 | 13,480 |
| Literature by Letter - J | 0 | - | 4.23 | 14,768 |
