| Music by Letter - F | 0 | - | 4.48 | 26,808 |
| Music by Letter - A | 0 | - | 4.61 | 31,171 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,023 |
| Music by Letter - E | 0 | - | 4.39 | 26,533 |
| Music by Letter - I | 0 | - | 4.22 | 15,664 |
| Music by Letter - H | 0 | - | 4.27 | 22,371 |
| Music by Letter - B | 0 | - | 4.39 | 25,198 |
| Music by Letter - J | 0 | - | 4.37 | 20,539 |
| Music by Letter - G | 0 | - | 4.35 | 21,187 |
| Music by Letter - R | 0 | - | 4.10 | 14,997 |
| Music by Letter - C | 0 | - | 4.19 | 21,163 |
| Music by Letter - P | 0 | - | 4.38 | 19,424 |
| Music by Letter - D | 0 | - | 4.32 | 22,088 |
| Music by Letter - W | 0 | - | 4.36 | 18,558 |
| Music by Letter - N | 0 | - | 4.23 | 14,674 |
| Music by Letter - V | 0 | - | 4.33 | 17,723 |
| Music by Letter - M | 0 | - | 4.27 | 18,138 |
| Music by Letter - K | 0 | - | 4.11 | 16,112 |
| Music by Letter - T | 0 | - | 4.31 | 19,253 |
| Music by Letter - L | 0 | - | 4.33 | 15,959 |
| Music by Letter - S | 0 | - | 4.22 | 18,946 |
| Music by Letter - O | 0 | - | 4.21 | 16,944 |
| Geography by Letter - T | 0 | - | 4.84 | 152,347 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,221 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,851 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,691 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,867 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,350 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,680 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,326 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,331 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,113 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,156 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,926 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,062 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,142 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 82,956 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,528 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,283 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 72,891 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 59,905 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,843 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,374 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,729 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,944 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,173 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,897 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,699 |
| Geography by Letter - A | 0 | - | 4.74 | 210,026 |
| Geography by Letter - B | 0 | - | 4.56 | 183,199 |
| Geography by Letter - H | 0 | - | 4.69 | 149,229 |
| Geography by Letter - C | 0 | - | 4.47 | 157,503 |
| Geography by Letter - D | 0 | - | 4.50 | 149,440 |
| Geography by Letter - E | 0 | - | 4.42 | 146,599 |
| Geography by Letter - I | 0 | - | 4.42 | 121,162 |
| Geography by Letter - K | 0 | - | 4.53 | 117,286 |
| Geography by Letter - L | 0 | - | 4.43 | 147,570 |
| Geography by Letter - M | 0 | - | 4.49 | 117,584 |
| Geography by Letter - N | 0 | - | 4.51 | 126,196 |
| Geography by Letter - P | 0 | - | 4.47 | 175,100 |
| Geography by Letter - R | 0 | - | 4.43 | 130,276 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,524 |
| Geography by Letter - U | 0 | - | 4.54 | 142,011 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,970 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,672 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,178 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,323 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,874 |
| Movies that Start with G | 0 | - | 4.48 | 68,233 |
| Movies that Start with I | 0 | - | 4.41 | 64,871 |
| History by Letter - A | 0 | - | 4.51 | 152,067 |
| History by Letter - B | 0 | - | 4.45 | 171,216 |
| History by Letter - C | 0 | - | 4.69 | 170,249 |
| History by Letter - E | 0 | - | 4.51 | 139,800 |
| History by Letter - G | 0 | - | 4.45 | 121,406 |
| History by Letter - H | 0 | - | 4.45 | 135,835 |
| History by Letter - J | 0 | - | 4.51 | 153,194 |
| History by Letter - N | 0 | - | 4.44 | 103,365 |
| History by Letter - S | 0 | - | 4.47 | 93,647 |
| History by Letter - W | 0 | - | 4.45 | 108,696 |
| History by Letter - M | 0 | - | 4.54 | 119,070 |
| History by Letter - K | 0 | - | 4.50 | 100,803 |
| History by Letter - L | 0 | - | 4.49 | 111,480 |
| History by Letter - I | 0 | - | 4.46 | 103,651 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,200 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,289 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,187 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,313 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 82,698 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,080 |
| Countries by Military Spending | 0 | - | 4.93 | 176,350 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,481 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,651 |
| All Hamilton Songs | 0 | - | 4.74 | 48,242 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,324 |
| Animals that Start with L | 0 | - | 4.47 | 101,220 |
| Animals that Start with P | 0 | - | 4.45 | 85,618 |
| Animals that Start with S | 0 | - | 4.49 | 86,778 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,595 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,543 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,660 |
| Islands A-Z | 0 | - | 4.46 | 116,715 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 57,174 |
| Human Body A-Z | 0 | - | 4.51 | 128,315 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,992 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,788 |
| Africa A-Z | 0 | - | 4.57 | 46,357 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,570 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,795 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,948 |
| Queen Songs | 0 | - | 4.84 | 25,213 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,171 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,308 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,473 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.27 | 50,190 |
| Disney A-Z | 0 | - | 4.37 | 86,108 |
| Literature by Letter - A | 0 | - | 4.23 | 31,752 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,066 |
| Companies A-Z | 0 | - | 4.30 | 42,605 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,472 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,802 |
| Geography by Letter - G | 0 | - | 4.35 | 125,427 |
| Geography by Letter - F | 0 | - | 4.27 | 137,001 |
| Geography by Letter - J | 0 | - | 4.34 | 122,127 |
| Geography by Letter - O | 0 | - | 4.37 | 128,948 |
| Geography by Letter - V | 0 | - | 4.39 | 120,794 |
| Geography by Letter - W | 0 | - | 4.39 | 114,151 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,621 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,993 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,837 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,104 |
| Video Games A-Z | 0 | - | 4.08 | 38,674 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,063 |
| Movies that Start with A | 0 | - | 4.13 | 61,626 |
| Movies that Start with C | 0 | - | 4.30 | 61,563 |
| Movies that Start with B | 0 | - | 4.35 | 84,895 |
| Movies that Start with D | 0 | - | 4.34 | 68,213 |
| Movies that Start with E | 0 | - | 4.13 | 68,159 |
| Movies that Start with J | 0 | - | 4.18 | 75,903 |
| Movies that Start with L | 0 | - | 4.16 | 60,216 |
| Movies that Start with M | 0 | - | 4.28 | 48,051 |
| Movies that Start with N | 0 | - | 4.02 | 41,098 |
| Movies that Start with P | 0 | - | 4.25 | 53,989 |
| Movies that Start with R | 0 | - | 4.17 | 46,429 |
| Movies that Start with W | 0 | - | 4.07 | 44,121 |
| Movies that Start with T | 0 | - | 4.33 | 49,098 |
| Movies that Start with S | 0 | - | 4.35 | 56,254 |
| Movies that Start with F | 0 | - | 4.13 | 68,626 |
| History by Letter - D | 0 | - | 4.39 | 136,848 |
| History by Letter - F | 0 | - | 4.18 | 113,661 |
| History by Letter - O | 0 | - | 4.31 | 99,028 |
| History by Letter - P | 0 | - | 4.38 | 107,314 |
| History by Letter - Q | 0 | - | 4.34 | 79,956 |
| History by Letter - R | 0 | - | 4.26 | 121,622 |
| History by Letter - T | 0 | - | 4.39 | 104,846 |
| History by Letter - U | 0 | - | 4.19 | 100,213 |
| History by Letter - V | 0 | - | 4.27 | 80,341 |
| History by Letter - Y | 0 | - | 4.27 | 86,918 |
| History by Letter - Z | 0 | - | 4.18 | 76,721 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,109 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,624 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,993 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,152 |
| Questions in Music | 0 | - | 4.41 | 53,983 |
| Top Musical Acts of All-Time | 0 | - | 3.86 | 132,252 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 67,108 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,744 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,829 |
| Middle East A-Z | 0 | - | 4.47 | 45,772 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,139 |
| 20th Century A-Z | 0 | - | 4.50 | 53,147 |
| 19th Century A-Z | 0 | - | 4.77 | 46,717 |
| 18th Century A-Z | 0 | - | 4.54 | 42,628 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,570 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 352,102 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.95 | 66,957 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 109,887 |
| Tony Best Musicals | 0 | - | 4.31 | 25,419 |
| Characters from Musicals | 0 | - | 4.24 | 26,449 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,754 |
| Family Bands | 0 | - | 4.11 | 21,764 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,049 |
| Star Wars A-Z | 0 | - | 4.46 | 87,135 |
| Monarchies of the World | 0 | - | 4.94 | 166,522 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,481 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,879 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,410 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,646 |
| Literature by Letter - D | 0 | - | 4.30 | 20,452 |
| Literature by Letter - C | 0 | - | 4.34 | 26,378 |
| Literature by Letter - F | 0 | - | 4.25 | 17,077 |
| Literature by Letter - E | 0 | - | 4.03 | 14,965 |
| Literature by Letter - H | 0 | - | 4.23 | 17,995 |
| Literature by Letter - I | 0 | - | 4.25 | 15,141 |
| Literature by Letter - L | 0 | - | 4.32 | 23,135 |
| Literature by Letter - M | 0 | - | 4.16 | 18,535 |
| Literature by Letter - P | 0 | - | 4.16 | 16,667 |
| Literature by Letter - O | 0 | - | 4.30 | 13,467 |
| Literature by Letter - J | 0 | - | 4.23 | 14,742 |
| Literature by Letter - N | 0 | - | 4.24 | 14,237 |
