| Music by Letter - F | 0 | - | 4.48 | 27,003 |
| Music by Letter - A | 0 | - | 4.61 | 31,390 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,337 |
| Music by Letter - E | 0 | - | 4.39 | 26,687 |
| Music by Letter - I | 0 | - | 4.22 | 15,794 |
| Music by Letter - H | 0 | - | 4.27 | 22,530 |
| Music by Letter - B | 0 | - | 4.39 | 25,367 |
| Music by Letter - J | 0 | - | 4.37 | 20,656 |
| Music by Letter - G | 0 | - | 4.35 | 21,328 |
| Music by Letter - R | 0 | - | 4.04 | 15,112 |
| Music by Letter - C | 0 | - | 4.14 | 21,305 |
| Music by Letter - P | 0 | - | 4.38 | 19,560 |
| Music by Letter - D | 0 | - | 4.27 | 22,237 |
| Music by Letter - W | 0 | - | 4.36 | 18,660 |
| Music by Letter - N | 0 | - | 4.23 | 14,783 |
| Music by Letter - V | 0 | - | 4.33 | 17,830 |
| Music by Letter - M | 0 | - | 4.27 | 18,284 |
| Music by Letter - K | 0 | - | 4.11 | 16,236 |
| Music by Letter - T | 0 | - | 4.31 | 19,372 |
| Music by Letter - L | 0 | - | 4.33 | 16,082 |
| Music by Letter - S | 0 | - | 4.22 | 19,067 |
| Music by Letter - O | 0 | - | 4.21 | 17,059 |
| Geography by Letter - T | 0 | - | 4.84 | 154,010 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,256 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,966 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,531 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,603 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,224 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,277 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,823 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,474 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,842 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,466 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,373 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,337 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,424 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,305 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,956 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,761 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,315 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 60,251 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,126 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,699 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,079 |
| A to Z: Musical Terms #2 | 0 | - | 4.08 | 11,034 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,374 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,923 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,443 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,990 |
| Geography by Letter - A | 0 | - | 4.74 | 211,735 |
| Geography by Letter - B | 0 | - | 4.56 | 184,758 |
| Geography by Letter - H | 0 | - | 4.69 | 150,435 |
| Geography by Letter - C | 0 | - | 4.47 | 158,826 |
| Geography by Letter - D | 0 | - | 4.50 | 150,643 |
| Geography by Letter - E | 0 | - | 4.42 | 147,726 |
| Geography by Letter - I | 0 | - | 4.42 | 122,112 |
| Geography by Letter - K | 0 | - | 4.53 | 118,455 |
| Geography by Letter - L | 0 | - | 4.43 | 148,636 |
| Geography by Letter - M | 0 | - | 4.49 | 118,742 |
| Geography by Letter - N | 0 | - | 4.51 | 127,309 |
| Geography by Letter - P | 0 | - | 4.47 | 176,150 |
| Geography by Letter - R | 0 | - | 4.43 | 131,786 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,681 |
| Geography by Letter - U | 0 | - | 4.53 | 143,214 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,165 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,922 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,361 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,591 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,294 |
| Movies that Start with G | 0 | - | 4.49 | 68,545 |
| Movies that Start with I | 0 | - | 4.41 | 65,164 |
| History by Letter - A | 0 | - | 4.51 | 153,172 |
| History by Letter - B | 0 | - | 4.45 | 172,464 |
| History by Letter - C | 0 | - | 4.70 | 171,729 |
| History by Letter - E | 0 | - | 4.51 | 140,814 |
| History by Letter - G | 0 | - | 4.46 | 122,297 |
| History by Letter - H | 0 | - | 4.45 | 136,917 |
| History by Letter - J | 0 | - | 4.51 | 154,230 |
| History by Letter - N | 0 | - | 4.45 | 104,204 |
| History by Letter - S | 0 | - | 4.47 | 94,502 |
| History by Letter - W | 0 | - | 4.45 | 109,677 |
| History by Letter - M | 0 | - | 4.54 | 119,996 |
| History by Letter - K | 0 | - | 4.50 | 101,490 |
| History by Letter - L | 0 | - | 4.50 | 112,233 |
| History by Letter - I | 0 | - | 4.46 | 104,449 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,317 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,496 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,415 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,535 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 83,055 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,308 |
| Countries by Military Spending | 0 | - | 4.93 | 177,700 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,095 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,781 |
| All Hamilton Songs | 0 | - | 4.75 | 49,042 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,316,384 |
| Animals that Start with L | 0 | - | 4.47 | 101,894 |
| Animals that Start with P | 0 | - | 4.45 | 86,126 |
| Animals that Start with S | 0 | - | 4.49 | 87,341 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,447 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,540 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,131 |
| Islands A-Z | 0 | - | 4.46 | 124,438 |
| Human Body A-Z | 0 | - | 4.51 | 129,165 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,552 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,604 |
| Africa A-Z | 0 | - | 4.57 | 46,601 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,037 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,118 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,195 |
| Queen Songs | 0 | - | 4.85 | 25,595 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,315 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,753 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,791 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.24 | 50,479 |
| Disney A-Z | 0 | - | 4.37 | 87,107 |
| Literature by Letter - A | 0 | - | 4.24 | 32,116 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,278 |
| Companies A-Z | 0 | - | 4.30 | 42,698 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,627 |
| Geography by Letter - G | 0 | - | 4.33 | 126,389 |
| Geography by Letter - F | 0 | - | 4.27 | 137,948 |
| Geography by Letter - J | 0 | - | 4.34 | 123,010 |
| Geography by Letter - O | 0 | - | 4.37 | 129,843 |
| Geography by Letter - V | 0 | - | 4.39 | 121,856 |
| Geography by Letter - W | 0 | - | 4.39 | 114,925 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,611 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,717 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,557 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,264 |
| Video Games A-Z | 0 | - | 4.08 | 38,992 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,257 |
| Movies that Start with A | 0 | - | 4.13 | 61,882 |
| Movies that Start with C | 0 | - | 4.30 | 61,861 |
| Movies that Start with B | 0 | - | 4.36 | 85,230 |
| Movies that Start with D | 0 | - | 4.34 | 68,444 |
| Movies that Start with E | 0 | - | 4.13 | 68,380 |
| Movies that Start with J | 0 | - | 4.18 | 76,170 |
| Movies that Start with L | 0 | - | 4.16 | 60,439 |
| Movies that Start with M | 0 | - | 4.28 | 48,240 |
| Movies that Start with N | 0 | - | 4.02 | 41,259 |
| Movies that Start with P | 0 | - | 4.25 | 54,158 |
| Movies that Start with R | 0 | - | 4.17 | 46,656 |
| Movies that Start with W | 0 | - | 4.07 | 44,273 |
| Movies that Start with T | 0 | - | 4.34 | 49,308 |
| Movies that Start with S | 0 | - | 4.35 | 56,475 |
| Movies that Start with F | 0 | - | 4.13 | 68,860 |
| History by Letter - D | 0 | - | 4.40 | 137,946 |
| History by Letter - F | 0 | - | 4.18 | 114,588 |
| History by Letter - O | 0 | - | 4.32 | 99,633 |
| History by Letter - P | 0 | - | 4.36 | 107,974 |
| History by Letter - Q | 0 | - | 4.34 | 80,432 |
| History by Letter - R | 0 | - | 4.26 | 122,331 |
| History by Letter - T | 0 | - | 4.39 | 105,400 |
| History by Letter - U | 0 | - | 4.19 | 100,910 |
| History by Letter - V | 0 | - | 4.27 | 80,866 |
| History by Letter - Y | 0 | - | 4.27 | 87,385 |
| History by Letter - Z | 0 | - | 4.20 | 77,150 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,245 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,552 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,661 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,157 |
| Questions in Music | 0 | - | 4.41 | 54,422 |
| Top Musical Acts of All-Time | 0 | - | 3.83 | 132,575 |
| Countries with the Most Metal Bands | 0 | - | 4.96 | 67,602 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,165 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,136 |
| Middle East A-Z | 0 | - | 4.47 | 46,012 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,365 |
| 20th Century A-Z | 0 | - | 4.50 | 53,725 |
| 19th Century A-Z | 0 | - | 4.77 | 47,290 |
| 18th Century A-Z | 0 | - | 4.54 | 43,169 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,755 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 353,334 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 67,933 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,757 |
| Tony Best Musicals | 0 | - | 4.32 | 25,617 |
| Characters from Musicals | 0 | - | 4.24 | 26,713 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,894 |
| Family Bands | 0 | - | 4.11 | 21,817 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,407 |
| Star Wars A-Z | 0 | - | 4.46 | 88,236 |
| Monarchies of the World | 0 | - | 4.94 | 168,616 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,573 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,800 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,332 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,121 |
| Literature by Letter - D | 0 | - | 4.30 | 20,776 |
| Literature by Letter - C | 0 | - | 4.34 | 26,719 |
| Literature by Letter - F | 0 | - | 4.26 | 17,369 |
| Literature by Letter - E | 0 | - | 4.05 | 15,264 |
| Literature by Letter - H | 0 | - | 4.29 | 19,988 |
| Literature by Letter - I | 0 | - | 4.23 | 16,992 |
| Literature by Letter - L | 0 | - | 4.32 | 23,363 |
| Literature by Letter - M | 0 | - | 4.18 | 18,778 |
| Literature by Letter - P | 0 | - | 4.18 | 16,912 |
| Literature by Letter - O | 0 | - | 4.30 | 13,674 |
| Literature by Letter - J | 0 | - | 4.23 | 15,006 |
| Literature by Letter - N | 0 | - | 4.24 | 14,458 |
| Literature by Letter - K | 0 | - | 4.13 | 12,462 |
