| Music by Letter - A | 0 | - | 4.61 | 31,183 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,044 |
| Music by Letter - E | 0 | - | 4.39 | 26,541 |
| Music by Letter - I | 0 | - | 4.22 | 15,671 |
| Music by Letter - H | 0 | - | 4.27 | 22,378 |
| Music by Letter - B | 0 | - | 4.39 | 25,206 |
| Music by Letter - J | 0 | - | 4.37 | 20,544 |
| Music by Letter - G | 0 | - | 4.35 | 21,194 |
| Music by Letter - R | 0 | - | 4.10 | 15,004 |
| Music by Letter - C | 0 | - | 4.19 | 21,169 |
| Music by Letter - P | 0 | - | 4.38 | 19,430 |
| Music by Letter - D | 0 | - | 4.32 | 22,094 |
| Music by Letter - W | 0 | - | 4.36 | 18,559 |
| Music by Letter - N | 0 | - | 4.23 | 14,678 |
| Music by Letter - V | 0 | - | 4.33 | 17,725 |
| Music by Letter - M | 0 | - | 4.27 | 18,144 |
| Music by Letter - K | 0 | - | 4.11 | 16,116 |
| Music by Letter - T | 0 | - | 4.31 | 19,259 |
| Music by Letter - L | 0 | - | 4.33 | 15,967 |
| Music by Letter - S | 0 | - | 4.22 | 18,954 |
| Music by Letter - O | 0 | - | 4.21 | 16,948 |
| Geography by Letter - T | 0 | - | 4.84 | 152,389 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,247 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,877 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,719 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,906 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,371 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,723 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,366 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,357 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,133 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,163 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,938 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,066 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,146 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 82,964 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,541 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,290 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 72,904 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 59,914 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,852 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,389 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,795 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,952 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,187 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,078 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,804 |
| Geography by Letter - A | 0 | - | 4.74 | 210,074 |
| Geography by Letter - B | 0 | - | 4.56 | 183,238 |
| Geography by Letter - H | 0 | - | 4.69 | 149,263 |
| Geography by Letter - C | 0 | - | 4.47 | 157,538 |
| Geography by Letter - D | 0 | - | 4.50 | 149,472 |
| Geography by Letter - E | 0 | - | 4.42 | 146,629 |
| Geography by Letter - I | 0 | - | 4.42 | 121,185 |
| Geography by Letter - K | 0 | - | 4.53 | 117,311 |
| Geography by Letter - L | 0 | - | 4.43 | 147,598 |
| Geography by Letter - M | 0 | - | 4.49 | 117,609 |
| Geography by Letter - N | 0 | - | 4.51 | 126,218 |
| Geography by Letter - P | 0 | - | 4.47 | 175,131 |
| Geography by Letter - R | 0 | - | 4.43 | 130,306 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,580 |
| Geography by Letter - U | 0 | - | 4.54 | 142,045 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,973 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,676 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,182 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,328 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,893 |
| Movies that Start with G | 0 | - | 4.48 | 68,237 |
| Movies that Start with I | 0 | - | 4.41 | 64,877 |
| History by Letter - A | 0 | - | 4.51 | 152,095 |
| History by Letter - B | 0 | - | 4.45 | 171,243 |
| History by Letter - C | 0 | - | 4.69 | 170,283 |
| History by Letter - E | 0 | - | 4.51 | 139,830 |
| History by Letter - G | 0 | - | 4.45 | 121,430 |
| History by Letter - H | 0 | - | 4.45 | 135,853 |
| History by Letter - J | 0 | - | 4.51 | 153,222 |
| History by Letter - N | 0 | - | 4.44 | 103,379 |
| History by Letter - S | 0 | - | 4.47 | 93,668 |
| History by Letter - W | 0 | - | 4.45 | 108,715 |
| History by Letter - M | 0 | - | 4.54 | 119,086 |
| History by Letter - K | 0 | - | 4.50 | 100,815 |
| History by Letter - L | 0 | - | 4.49 | 111,495 |
| History by Letter - I | 0 | - | 4.46 | 103,671 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,226 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,172 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,294 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,187 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,317 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 82,703 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,082 |
| Countries by Military Spending | 0 | - | 4.93 | 176,380 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,501 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,677 |
| All Hamilton Songs | 0 | - | 4.74 | 48,271 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,593 |
| Animals that Start with L | 0 | - | 4.47 | 101,242 |
| Animals that Start with P | 0 | - | 4.45 | 85,635 |
| Animals that Start with S | 0 | - | 4.49 | 86,795 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,619 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,566 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,844 |
| Islands A-Z | 0 | - | 4.46 | 116,738 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,346 |
| Human Body A-Z | 0 | - | 4.51 | 128,367 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 34,142 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,803 |
| Africa A-Z | 0 | - | 4.57 | 46,364 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,586 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,806 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,952 |
| Queen Songs | 0 | - | 4.84 | 25,215 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,178 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,334 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,493 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.27 | 50,201 |
| Disney A-Z | 0 | - | 4.37 | 86,275 |
| Literature by Letter - A | 0 | - | 4.23 | 31,757 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,066 |
| Companies A-Z | 0 | - | 4.30 | 42,607 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,478 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,805 |
| Geography by Letter - G | 0 | - | 4.35 | 125,452 |
| Geography by Letter - F | 0 | - | 4.27 | 137,032 |
| Geography by Letter - J | 0 | - | 4.34 | 122,146 |
| Geography by Letter - O | 0 | - | 4.37 | 128,970 |
| Geography by Letter - V | 0 | - | 4.39 | 120,859 |
| Geography by Letter - W | 0 | - | 4.39 | 114,175 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,649 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,015 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,862 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,107 |
| Video Games A-Z | 0 | - | 4.08 | 38,682 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,069 |
| Movies that Start with A | 0 | - | 4.13 | 61,631 |
| Movies that Start with C | 0 | - | 4.30 | 61,570 |
| Movies that Start with B | 0 | - | 4.35 | 84,903 |
| Movies that Start with D | 0 | - | 4.34 | 68,216 |
| Movies that Start with E | 0 | - | 4.13 | 68,162 |
| Movies that Start with J | 0 | - | 4.18 | 75,906 |
| Movies that Start with L | 0 | - | 4.16 | 60,218 |
| Movies that Start with M | 0 | - | 4.28 | 48,055 |
| Movies that Start with N | 0 | - | 4.02 | 41,101 |
| Movies that Start with P | 0 | - | 4.25 | 53,993 |
| Movies that Start with R | 0 | - | 4.17 | 46,436 |
| Movies that Start with W | 0 | - | 4.07 | 44,127 |
| Movies that Start with T | 0 | - | 4.33 | 49,104 |
| Movies that Start with S | 0 | - | 4.35 | 56,260 |
| Movies that Start with F | 0 | - | 4.13 | 68,628 |
| History by Letter - D | 0 | - | 4.39 | 136,868 |
| History by Letter - F | 0 | - | 4.18 | 113,675 |
| History by Letter - O | 0 | - | 4.31 | 99,042 |
| History by Letter - P | 0 | - | 4.38 | 107,335 |
| History by Letter - Q | 0 | - | 4.34 | 79,969 |
| History by Letter - R | 0 | - | 4.26 | 121,640 |
| History by Letter - T | 0 | - | 4.39 | 104,862 |
| History by Letter - U | 0 | - | 4.19 | 100,234 |
| History by Letter - V | 0 | - | 4.27 | 80,353 |
| History by Letter - Y | 0 | - | 4.27 | 86,927 |
| History by Letter - Z | 0 | - | 4.18 | 76,732 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,112 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,647 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,999 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,170 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,682 |
| Questions in Music | 0 | - | 4.41 | 53,990 |
| Top Musical Acts of All-Time | 0 | - | 3.86 | 132,262 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 67,120 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,780 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,831 |
| Middle East A-Z | 0 | - | 4.47 | 45,780 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,142 |
| 20th Century A-Z | 0 | - | 4.50 | 53,155 |
| 19th Century A-Z | 0 | - | 4.77 | 46,728 |
| 18th Century A-Z | 0 | - | 4.54 | 42,640 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,581 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 352,138 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.95 | 66,989 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 109,912 |
| Tony Best Musicals | 0 | - | 4.31 | 25,427 |
| Characters from Musicals | 0 | - | 4.24 | 26,464 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,763 |
| Family Bands | 0 | - | 4.11 | 21,767 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,062 |
| Star Wars A-Z | 0 | - | 4.46 | 87,151 |
| Monarchies of the World | 0 | - | 4.94 | 166,575 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,513 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,900 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,440 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,660 |
| Literature by Letter - D | 0 | - | 4.30 | 20,457 |
| Literature by Letter - C | 0 | - | 4.34 | 26,383 |
| Literature by Letter - F | 0 | - | 4.25 | 17,080 |
| Literature by Letter - E | 0 | - | 4.03 | 14,967 |
| Literature by Letter - H | 0 | - | 4.23 | 17,998 |
| Literature by Letter - I | 0 | - | 4.25 | 15,144 |
| Literature by Letter - L | 0 | - | 4.32 | 23,138 |
| Literature by Letter - M | 0 | - | 4.16 | 18,540 |
| Literature by Letter - P | 0 | - | 4.16 | 16,668 |
| Literature by Letter - O | 0 | - | 4.30 | 13,468 |
| Literature by Letter - J | 0 | - | 4.23 | 14,746 |
