| Music by Letter - F | 0 | - | 4.48 | 26,962 |
| Music by Letter - A | 0 | - | 4.61 | 31,335 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,276 |
| Music by Letter - E | 0 | - | 4.39 | 26,656 |
| Music by Letter - I | 0 | - | 4.22 | 15,770 |
| Music by Letter - H | 0 | - | 4.27 | 22,496 |
| Music by Letter - B | 0 | - | 4.39 | 25,328 |
| Music by Letter - J | 0 | - | 4.37 | 20,633 |
| Music by Letter - G | 0 | - | 4.35 | 21,302 |
| Music by Letter - R | 0 | - | 4.04 | 15,093 |
| Music by Letter - C | 0 | - | 4.14 | 21,272 |
| Music by Letter - P | 0 | - | 4.38 | 19,531 |
| Music by Letter - D | 0 | - | 4.27 | 22,212 |
| Music by Letter - W | 0 | - | 4.36 | 18,641 |
| Music by Letter - N | 0 | - | 4.23 | 14,765 |
| Music by Letter - V | 0 | - | 4.33 | 17,809 |
| Music by Letter - M | 0 | - | 4.27 | 18,253 |
| Music by Letter - K | 0 | - | 4.11 | 16,209 |
| Music by Letter - T | 0 | - | 4.31 | 19,352 |
| Music by Letter - L | 0 | - | 4.33 | 16,061 |
| Music by Letter - S | 0 | - | 4.22 | 19,033 |
| Music by Letter - O | 0 | - | 4.21 | 17,036 |
| Geography by Letter - T | 0 | - | 4.84 | 153,628 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,024 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,722 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,184 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,095 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,868 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,724 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,200 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,120 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,591 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,395 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,271 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,275 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,365 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,216 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,859 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,660 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,228 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 60,181 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,064 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,628 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,260 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 11,013 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,330 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,211 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,130 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,963 |
| Geography by Letter - A | 0 | - | 4.74 | 211,389 |
| Geography by Letter - B | 0 | - | 4.56 | 184,439 |
| Geography by Letter - H | 0 | - | 4.69 | 150,159 |
| Geography by Letter - C | 0 | - | 4.47 | 158,526 |
| Geography by Letter - D | 0 | - | 4.50 | 150,386 |
| Geography by Letter - E | 0 | - | 4.42 | 147,470 |
| Geography by Letter - I | 0 | - | 4.42 | 121,897 |
| Geography by Letter - K | 0 | - | 4.53 | 117,990 |
| Geography by Letter - L | 0 | - | 4.43 | 148,379 |
| Geography by Letter - M | 0 | - | 4.49 | 118,512 |
| Geography by Letter - N | 0 | - | 4.51 | 126,935 |
| Geography by Letter - P | 0 | - | 4.47 | 175,898 |
| Geography by Letter - R | 0 | - | 4.43 | 131,470 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,416 |
| Geography by Letter - U | 0 | - | 4.53 | 142,926 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,113 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,860 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,320 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,530 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,140 |
| Movies that Start with G | 0 | - | 4.49 | 68,464 |
| Movies that Start with I | 0 | - | 4.41 | 65,102 |
| History by Letter - A | 0 | - | 4.51 | 152,789 |
| History by Letter - B | 0 | - | 4.45 | 172,021 |
| History by Letter - C | 0 | - | 4.70 | 171,297 |
| History by Letter - E | 0 | - | 4.51 | 140,471 |
| History by Letter - G | 0 | - | 4.46 | 121,984 |
| History by Letter - H | 0 | - | 4.45 | 136,441 |
| History by Letter - J | 0 | - | 4.51 | 153,894 |
| History by Letter - N | 0 | - | 4.45 | 103,993 |
| History by Letter - S | 0 | - | 4.47 | 94,290 |
| History by Letter - W | 0 | - | 4.45 | 109,239 |
| History by Letter - M | 0 | - | 4.54 | 119,748 |
| History by Letter - K | 0 | - | 4.50 | 101,272 |
| History by Letter - L | 0 | - | 4.50 | 112,001 |
| History by Letter - I | 0 | - | 4.46 | 104,122 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,037 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,451 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,353 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,481 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 82,987 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,255 |
| Countries by Military Spending | 0 | - | 4.93 | 177,316 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,873 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,374 |
| All Hamilton Songs | 0 | - | 4.75 | 48,846 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,409 |
| Animals that Start with L | 0 | - | 4.47 | 101,773 |
| Animals that Start with P | 0 | - | 4.45 | 86,011 |
| Animals that Start with S | 0 | - | 4.49 | 87,215 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,234 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,307 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,881 |
| Islands A-Z | 0 | - | 4.45 | 121,001 |
| Human Body A-Z | 0 | - | 4.51 | 129,019 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,387 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,156 |
| Africa A-Z | 0 | - | 4.57 | 46,561 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,926 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,045 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,139 |
| Queen Songs | 0 | - | 4.85 | 25,526 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,274 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,672 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,749 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.24 | 50,413 |
| Disney A-Z | 0 | - | 4.37 | 86,954 |
| Literature by Letter - A | 0 | - | 4.23 | 31,921 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,161 |
| Companies A-Z | 0 | - | 4.30 | 42,681 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,597 |
| Geography by Letter - G | 0 | - | 4.35 | 126,167 |
| Geography by Letter - F | 0 | - | 4.27 | 137,729 |
| Geography by Letter - J | 0 | - | 4.34 | 122,792 |
| Geography by Letter - O | 0 | - | 4.37 | 129,630 |
| Geography by Letter - V | 0 | - | 4.39 | 121,627 |
| Geography by Letter - W | 0 | - | 4.39 | 114,752 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,368 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,570 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,392 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,221 |
| Video Games A-Z | 0 | - | 4.08 | 38,914 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,207 |
| Movies that Start with A | 0 | - | 4.13 | 61,819 |
| Movies that Start with C | 0 | - | 4.30 | 61,786 |
| Movies that Start with B | 0 | - | 4.36 | 85,143 |
| Movies that Start with D | 0 | - | 4.34 | 68,386 |
| Movies that Start with E | 0 | - | 4.13 | 68,315 |
| Movies that Start with J | 0 | - | 4.18 | 76,099 |
| Movies that Start with L | 0 | - | 4.16 | 60,371 |
| Movies that Start with M | 0 | - | 4.28 | 48,186 |
| Movies that Start with N | 0 | - | 4.02 | 41,222 |
| Movies that Start with P | 0 | - | 4.25 | 54,121 |
| Movies that Start with R | 0 | - | 4.17 | 46,598 |
| Movies that Start with W | 0 | - | 4.07 | 44,235 |
| Movies that Start with T | 0 | - | 4.34 | 49,253 |
| Movies that Start with S | 0 | - | 4.35 | 56,425 |
| Movies that Start with F | 0 | - | 4.13 | 68,800 |
| History by Letter - D | 0 | - | 4.39 | 137,441 |
| History by Letter - F | 0 | - | 4.18 | 114,148 |
| History by Letter - O | 0 | - | 4.32 | 99,437 |
| History by Letter - P | 0 | - | 4.39 | 107,781 |
| History by Letter - Q | 0 | - | 4.34 | 80,277 |
| History by Letter - R | 0 | - | 4.26 | 122,112 |
| History by Letter - T | 0 | - | 4.39 | 105,213 |
| History by Letter - U | 0 | - | 4.19 | 100,732 |
| History by Letter - V | 0 | - | 4.27 | 80,709 |
| History by Letter - Y | 0 | - | 4.27 | 87,219 |
| History by Letter - Z | 0 | - | 4.20 | 76,994 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,216 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,342 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,493 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,896 |
| Questions in Music | 0 | - | 4.41 | 54,311 |
| Top Musical Acts of All-Time | 0 | - | 3.86 | 132,495 |
| Countries with the Most Metal Bands | 0 | - | 4.96 | 67,476 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,781 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,064 |
| Middle East A-Z | 0 | - | 4.47 | 45,969 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,300 |
| 20th Century A-Z | 0 | - | 4.50 | 53,626 |
| 19th Century A-Z | 0 | - | 4.77 | 47,203 |
| 18th Century A-Z | 0 | - | 4.54 | 43,093 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,716 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 353,009 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.95 | 67,685 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,518 |
| Tony Best Musicals | 0 | - | 4.32 | 25,570 |
| Characters from Musicals | 0 | - | 4.24 | 26,662 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,866 |
| Family Bands | 0 | - | 4.11 | 21,803 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,632 |
| Star Wars A-Z | 0 | - | 4.46 | 88,010 |
| Monarchies of the World | 0 | - | 4.94 | 168,095 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,311 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,542 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,061 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,984 |
| Literature by Letter - D | 0 | - | 4.30 | 20,592 |
| Literature by Letter - C | 0 | - | 4.34 | 26,536 |
| Literature by Letter - F | 0 | - | 4.26 | 17,206 |
| Literature by Letter - E | 0 | - | 4.03 | 15,084 |
| Literature by Letter - H | 0 | - | 4.23 | 18,113 |
| Literature by Letter - I | 0 | - | 4.25 | 15,254 |
| Literature by Letter - L | 0 | - | 4.32 | 23,243 |
| Literature by Letter - M | 0 | - | 4.18 | 18,651 |
| Literature by Letter - P | 0 | - | 4.18 | 16,773 |
| Literature by Letter - O | 0 | - | 4.30 | 13,558 |
| Literature by Letter - J | 0 | - | 4.23 | 14,868 |
| Literature by Letter - N | 0 | - | 4.24 | 14,340 |
| Literature by Letter - K | 0 | - | 4.13 | 12,318 |
