| Music by Letter - F | 0 | - | 4.48 | 26,959 |
| Music by Letter - A | 0 | - | 4.61 | 31,328 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,270 |
| Music by Letter - E | 0 | - | 4.39 | 26,653 |
| Music by Letter - I | 0 | - | 4.22 | 15,767 |
| Music by Letter - H | 0 | - | 4.27 | 22,494 |
| Music by Letter - B | 0 | - | 4.39 | 25,326 |
| Music by Letter - J | 0 | - | 4.37 | 20,630 |
| Music by Letter - G | 0 | - | 4.35 | 21,297 |
| Music by Letter - R | 0 | - | 4.04 | 15,091 |
| Music by Letter - C | 0 | - | 4.14 | 21,269 |
| Music by Letter - P | 0 | - | 4.38 | 19,529 |
| Music by Letter - D | 0 | - | 4.27 | 22,208 |
| Music by Letter - W | 0 | - | 4.36 | 18,639 |
| Music by Letter - N | 0 | - | 4.23 | 14,762 |
| Music by Letter - V | 0 | - | 4.33 | 17,808 |
| Music by Letter - M | 0 | - | 4.27 | 18,249 |
| Music by Letter - K | 0 | - | 4.11 | 16,208 |
| Music by Letter - T | 0 | - | 4.31 | 19,348 |
| Music by Letter - L | 0 | - | 4.33 | 16,057 |
| Music by Letter - S | 0 | - | 4.22 | 19,031 |
| Music by Letter - O | 0 | - | 4.21 | 17,035 |
| Geography by Letter - T | 0 | - | 4.84 | 153,574 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,991 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,693 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,168 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,056 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,835 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,671 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,153 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,944 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,576 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,389 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,255 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,268 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,355 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,207 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,850 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,647 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,220 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 60,174 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,059 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,624 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,208 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 11,010 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,324 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,053 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,043 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,963 |
| Geography by Letter - A | 0 | - | 4.74 | 211,349 |
| Geography by Letter - B | 0 | - | 4.56 | 184,400 |
| Geography by Letter - H | 0 | - | 4.69 | 150,135 |
| Geography by Letter - C | 0 | - | 4.47 | 158,495 |
| Geography by Letter - D | 0 | - | 4.50 | 150,357 |
| Geography by Letter - E | 0 | - | 4.42 | 147,434 |
| Geography by Letter - I | 0 | - | 4.42 | 121,861 |
| Geography by Letter - K | 0 | - | 4.53 | 117,972 |
| Geography by Letter - L | 0 | - | 4.43 | 148,345 |
| Geography by Letter - M | 0 | - | 4.49 | 118,481 |
| Geography by Letter - N | 0 | - | 4.51 | 126,907 |
| Geography by Letter - P | 0 | - | 4.47 | 175,868 |
| Geography by Letter - R | 0 | - | 4.43 | 131,421 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,380 |
| Geography by Letter - U | 0 | - | 4.53 | 142,877 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,102 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,851 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,313 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,520 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,124 |
| Movies that Start with G | 0 | - | 4.49 | 68,459 |
| Movies that Start with I | 0 | - | 4.41 | 65,099 |
| History by Letter - A | 0 | - | 4.51 | 152,773 |
| History by Letter - B | 0 | - | 4.45 | 172,002 |
| History by Letter - C | 0 | - | 4.70 | 171,281 |
| History by Letter - E | 0 | - | 4.51 | 140,460 |
| History by Letter - G | 0 | - | 4.46 | 121,968 |
| History by Letter - H | 0 | - | 4.45 | 136,426 |
| History by Letter - J | 0 | - | 4.51 | 153,876 |
| History by Letter - N | 0 | - | 4.45 | 103,985 |
| History by Letter - S | 0 | - | 4.47 | 94,281 |
| History by Letter - W | 0 | - | 4.45 | 109,220 |
| History by Letter - M | 0 | - | 4.54 | 119,738 |
| History by Letter - K | 0 | - | 4.50 | 101,265 |
| History by Letter - L | 0 | - | 4.50 | 111,990 |
| History by Letter - I | 0 | - | 4.46 | 104,114 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,011 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,447 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,347 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,477 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 82,977 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,251 |
| Countries by Military Spending | 0 | - | 4.93 | 177,283 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,850 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,347 |
| All Hamilton Songs | 0 | - | 4.75 | 48,833 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,089 |
| Animals that Start with L | 0 | - | 4.47 | 101,763 |
| Animals that Start with P | 0 | - | 4.45 | 86,002 |
| Animals that Start with S | 0 | - | 4.49 | 87,206 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,202 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,276 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,847 |
| Islands A-Z | 0 | - | 4.46 | 119,028 |
| Human Body A-Z | 0 | - | 4.51 | 129,006 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,360 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,149 |
| Africa A-Z | 0 | - | 4.57 | 46,558 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,911 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,037 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,126 |
| Queen Songs | 0 | - | 4.83 | 25,509 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,272 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,664 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,739 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.24 | 50,409 |
| Disney A-Z | 0 | - | 4.37 | 86,940 |
| Literature by Letter - A | 0 | - | 4.23 | 31,898 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,149 |
| Companies A-Z | 0 | - | 4.30 | 42,677 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,595 |
| Geography by Letter - G | 0 | - | 4.35 | 126,139 |
| Geography by Letter - F | 0 | - | 4.27 | 137,703 |
| Geography by Letter - J | 0 | - | 4.34 | 122,765 |
| Geography by Letter - O | 0 | - | 4.37 | 129,610 |
| Geography by Letter - V | 0 | - | 4.39 | 121,583 |
| Geography by Letter - W | 0 | - | 4.39 | 114,717 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,211 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,522 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,363 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,220 |
| Video Games A-Z | 0 | - | 4.08 | 38,908 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,201 |
| Movies that Start with A | 0 | - | 4.13 | 61,817 |
| Movies that Start with C | 0 | - | 4.30 | 61,781 |
| Movies that Start with B | 0 | - | 4.36 | 85,141 |
| Movies that Start with D | 0 | - | 4.34 | 68,385 |
| Movies that Start with E | 0 | - | 4.13 | 68,313 |
| Movies that Start with J | 0 | - | 4.18 | 76,096 |
| Movies that Start with L | 0 | - | 4.16 | 60,369 |
| Movies that Start with M | 0 | - | 4.28 | 48,183 |
| Movies that Start with N | 0 | - | 4.02 | 41,218 |
| Movies that Start with P | 0 | - | 4.25 | 54,118 |
| Movies that Start with R | 0 | - | 4.17 | 46,593 |
| Movies that Start with W | 0 | - | 4.07 | 44,229 |
| Movies that Start with T | 0 | - | 4.34 | 49,250 |
| Movies that Start with S | 0 | - | 4.35 | 56,420 |
| Movies that Start with F | 0 | - | 4.13 | 68,792 |
| History by Letter - D | 0 | - | 4.39 | 137,434 |
| History by Letter - F | 0 | - | 4.18 | 114,136 |
| History by Letter - O | 0 | - | 4.32 | 99,430 |
| History by Letter - P | 0 | - | 4.39 | 107,766 |
| History by Letter - Q | 0 | - | 4.34 | 80,270 |
| History by Letter - R | 0 | - | 4.26 | 122,096 |
| History by Letter - T | 0 | - | 4.39 | 105,200 |
| History by Letter - U | 0 | - | 4.19 | 100,718 |
| History by Letter - V | 0 | - | 4.27 | 80,701 |
| History by Letter - Y | 0 | - | 4.27 | 87,212 |
| History by Letter - Z | 0 | - | 4.20 | 76,986 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,211 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,322 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,476 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,877 |
| Questions in Music | 0 | - | 4.41 | 54,304 |
| Top Musical Acts of All-Time | 0 | - | 3.86 | 132,488 |
| Countries with the Most Metal Bands | 0 | - | 4.96 | 67,464 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,733 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,054 |
| Middle East A-Z | 0 | - | 4.47 | 45,963 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,291 |
| 20th Century A-Z | 0 | - | 4.50 | 53,605 |
| 19th Century A-Z | 0 | - | 4.77 | 47,185 |
| 18th Century A-Z | 0 | - | 4.54 | 43,074 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,712 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 352,983 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.95 | 67,666 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,509 |
| Tony Best Musicals | 0 | - | 4.32 | 25,566 |
| Characters from Musicals | 0 | - | 4.24 | 26,660 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,859 |
| Family Bands | 0 | - | 4.11 | 21,801 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,531 |
| Star Wars A-Z | 0 | - | 4.46 | 87,990 |
| Monarchies of the World | 0 | - | 4.94 | 167,835 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,295 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,522 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,034 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,966 |
| Literature by Letter - D | 0 | - | 4.30 | 20,572 |
| Literature by Letter - C | 0 | - | 4.34 | 26,511 |
| Literature by Letter - F | 0 | - | 4.26 | 17,191 |
| Literature by Letter - E | 0 | - | 4.03 | 15,069 |
| Literature by Letter - H | 0 | - | 4.23 | 18,098 |
| Literature by Letter - I | 0 | - | 4.25 | 15,237 |
| Literature by Letter - L | 0 | - | 4.32 | 23,234 |
| Literature by Letter - M | 0 | - | 4.18 | 18,639 |
| Literature by Letter - P | 0 | - | 4.18 | 16,755 |
| Literature by Letter - O | 0 | - | 4.30 | 13,546 |
| Literature by Letter - J | 0 | - | 4.23 | 14,841 |
| Literature by Letter - N | 0 | - | 4.24 | 14,324 |
| Literature by Letter - K | 0 | - | 4.13 | 12,307 |
