| Music by Letter - F | 0 | - | 4.45 | 25,053 |
| Music by Letter - P | 0 | - | 4.41 | 18,086 |
| Music by Letter - A | 0 | - | 4.60 | 29,098 |
| A to Z: Musical Terms | 0 | - | 4.44 | 38,067 |
| Music by Letter - E | 0 | - | 4.37 | 24,852 |
| Music by Letter - I | 0 | - | 4.17 | 14,454 |
| Music by Letter - H | 0 | - | 4.18 | 20,922 |
| Music by Letter - B | 0 | - | 4.37 | 23,446 |
| Music by Letter - J | 0 | - | 4.35 | 19,281 |
| Music by Letter - G | 0 | - | 4.33 | 19,718 |
| Music by Letter - R | 0 | - | 4.04 | 13,878 |
| Music by Letter - C | 0 | - | 4.14 | 19,691 |
| Music by Letter - D | 0 | - | 4.29 | 20,627 |
| Music by Letter - W | 0 | - | 4.34 | 17,484 |
| Music by Letter - N | 0 | - | 4.18 | 13,595 |
| Music by Letter - V | 0 | - | 4.33 | 16,662 |
| Music by Letter - M | 0 | - | 4.26 | 16,921 |
| Music by Letter - K | 0 | - | 4.15 | 15,021 |
| Music by Letter - T | 0 | - | 4.29 | 18,137 |
| Music by Letter - L | 0 | - | 4.29 | 14,847 |
| Music by Letter - S | 0 | - | 4.29 | 17,765 |
| Music by Letter - O | 0 | - | 4.21 | 15,827 |
| Geography by Letter - T | 0 | - | 4.82 | 126,172 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 71,017 |
| Geography by Letter on the World Map - A | 0 | - | 4.83 | 94,421 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 105,098 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 140,697 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 183,198 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 163,045 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 178,476 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 288,907 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 169,396 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 72,518 |
| Musical Acts by Letter - M | 0 | - | 4.18 | 85,548 |
| Musical Acts by Letter - N | 0 | - | 4.15 | 63,189 |
| Musical Acts by Letter - P | 0 | - | 4.19 | 55,390 |
| Musical Acts by Letter - R | 0 | - | 4.25 | 72,051 |
| Musical Acts by Letter - T | 0 | - | 4.01 | 55,984 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 75,542 |
| Musical Acts by Letter - B | 0 | - | 4.30 | 66,685 |
| Musical Acts by Letter - C | 0 | - | 4.39 | 54,804 |
| Musical Acts by Letter - D | 0 | - | 4.12 | 48,389 |
| Musical Acts by Letter - E | 0 | - | 4.38 | 56,552 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 217,053 |
| A to Z: Musical Terms #2 | 0 | - | 4.12 | 9,921 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.10 | 40,845 |
| NATO Military Alphabet | 0 | - | 4.98 | 507,196 |
| Geography by Letter - A | 0 | - | 4.66 | 195,211 |
| Geography by Letter - B | 0 | - | 4.55 | 168,374 |
| Geography by Letter - H | 0 | - | 4.75 | 136,514 |
| Geography by Letter - C | 0 | - | 4.50 | 144,522 |
| Geography by Letter - D | 0 | - | 4.47 | 137,797 |
| Geography by Letter - I | 0 | - | 4.43 | 111,985 |
| Geography by Letter - K | 0 | - | 4.54 | 107,919 |
| Geography by Letter - L | 0 | - | 4.45 | 136,881 |
| Geography by Letter - M | 0 | - | 4.47 | 107,365 |
| Geography by Letter - N | 0 | - | 4.53 | 116,558 |
| Geography by Letter - P | 0 | - | 4.46 | 164,021 |
| Geography by Letter - R | 0 | - | 4.43 | 115,721 |
| Geography by Letter - S #1 | 0 | - | 4.79 | 117,934 |
| Geography by Letter - U | 0 | - | 4.52 | 120,221 |
| Geography by Letter - W | 0 | - | 4.43 | 97,880 |
| Asian Geography By Letter - K | 0 | - | 4.76 | 55,940 |
| Geography A-Z #2 | 0 | - | 4.46 | 49,793 |
| Geography A-Z #5 | 0 | - | 4.42 | 35,074 |
| Geography A-Z #1 | 0 | - | 4.55 | 66,361 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,983 |
| Movies that Start with G | 0 | - | 4.49 | 65,116 |
| Movies that Start with I | 0 | - | 4.41 | 62,029 |
| History by Letter - A | 0 | - | 4.50 | 140,200 |
| History by Letter - B | 0 | - | 4.48 | 158,163 |
| History by Letter - C | 0 | - | 4.71 | 155,747 |
| History by Letter - E | 0 | - | 4.49 | 128,996 |
| History by Letter - G | 0 | - | 4.46 | 111,947 |
| History by Letter - H | 0 | - | 4.42 | 125,021 |
| History by Letter - J | 0 | - | 4.49 | 141,732 |
| History by Letter - N | 0 | - | 4.44 | 95,366 |
| History by Letter - S | 0 | - | 4.46 | 86,079 |
| History by Letter - W | 0 | - | 4.45 | 99,856 |
| History by Letter - M | 0 | - | 4.54 | 110,489 |
| History by Letter - K | 0 | - | 4.47 | 93,303 |
| History by Letter - L | 0 | - | 4.47 | 103,426 |
| History by Letter - I | 0 | - | 4.46 | 96,023 |
| Musical Acts by Letter - F | 0 | - | 3.85 | 59,055 |
| Musical Acts by Letter - G | 0 | - | 3.96 | 65,587 |
| Musical Acts by Letter - L | 0 | - | 3.77 | 67,691 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 70,861 |
| Musical Acts by Letter - K | 0 | - | 3.90 | 85,384 |
| Countries by Military Spending | 0 | - | 4.93 | 162,034 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 99,185 |
| All Hamilton Songs | 0 | - | 4.59 | 40,477 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,190,583 |
| Animals that Start with L | 0 | - | 4.44 | 95,273 |
| Animals that Start with P | 0 | - | 4.42 | 80,672 |
| Animals that Start with S | 0 | - | 4.49 | 81,346 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 80,191 |
| World Cities A-Z #1 | 0 | - | 4.54 | 59,379 |
| Islands A-Z | 0 | - | 4.47 | 107,136 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,979 |
| Human Body A-Z | 0 | - | 4.49 | 109,555 |
| Africa A-Z | 0 | - | 4.55 | 44,083 |
| People in History A-Z #1 | 0 | - | 4.66 | 92,005 |
| People in History A-Z #2 | 0 | - | 4.46 | 50,747 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,742 |
| Queen Songs | 0 | - | 4.81 | 22,498 |
| Longest Running Broadway Theater Productions | 0 | - | 4.01 | 51,078 |
| Songs From Broadway Musicals #1 | 0 | - | 4.11 | 52,992 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.30 | 46,574 |
| Disney A-Z | 0 | - | 4.40 | 79,313 |
| Classic Novels by Plot #2 | 0 | - | 4.81 | 31,579 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 14,064 |
| Companies A-Z | 0 | - | 4.31 | 41,573 |
| Religion A-Z #1 | 0 | - | 4.31 | 59,037 |
| Geography by Letter - E | 0 | - | 4.40 | 135,471 |
| Geography by Letter - G | 0 | - | 4.36 | 115,310 |
| Geography by Letter - F | 0 | - | 4.27 | 126,046 |
| Geography by Letter - J | 0 | - | 4.36 | 112,609 |
| Geography by Letter - O | 0 | - | 4.38 | 118,852 |
| Geography by Letter - V | 0 | - | 4.38 | 98,048 |
| Geography by Letter - Y | 0 | - | 4.35 | 93,174 |
| Geography by Letter - Z | 0 | - | 4.05 | 64,797 |
| Geography by Letter - Q | 0 | - | 4.37 | 61,251 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.20 | 33,509 |
| Video Games A-Z | 0 | - | 4.04 | 35,746 |
| Geography A-Z #3 | 0 | - | 4.21 | 37,027 |
| Movies that Start with A | 0 | - | 4.12 | 58,871 |
| Movies that Start with C | 0 | - | 4.30 | 58,355 |
| Movies that Start with B | 0 | - | 4.37 | 81,198 |
| Movies that Start with D | 0 | - | 4.36 | 65,828 |
| Movies that Start with E | 0 | - | 4.16 | 65,729 |
| Movies that Start with J | 0 | - | 4.22 | 72,984 |
| Movies that Start with L | 0 | - | 4.17 | 58,060 |
| Movies that Start with M | 0 | - | 4.27 | 46,282 |
| Movies that Start with N | 0 | - | 4.06 | 39,490 |
| Movies that Start with P | 0 | - | 4.25 | 52,195 |
| Movies that Start with R | 0 | - | 4.16 | 44,114 |
| Movies that Start with W | 0 | - | 4.06 | 42,671 |
| Movies that Start with T | 0 | - | 4.34 | 47,085 |
| Movies that Start with S | 0 | - | 4.37 | 54,096 |
| Movies that Start with F | 0 | - | 4.15 | 66,211 |
| History by Letter - D | 0 | - | 4.34 | 127,166 |
| History by Letter - F | 0 | - | 4.18 | 105,274 |
| History by Letter - O | 0 | - | 4.30 | 92,184 |
| History by Letter - P | 0 | - | 4.37 | 99,470 |
| History by Letter - Q | 0 | - | 4.35 | 74,755 |
| History by Letter - R | 0 | - | 4.22 | 113,779 |
| History by Letter - T | 0 | - | 4.40 | 97,480 |
| History by Letter - U | 0 | - | 4.18 | 93,374 |
| History by Letter - V | 0 | - | 4.28 | 75,331 |
| History by Letter - Y | 0 | - | 4.28 | 81,615 |
| History by Letter - Z | 0 | - | 4.21 | 72,349 |
| Top Musical Acts of All-Time | 0 | - | 3.85 | 128,696 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 60,695 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 139,972 |
| Top Five Exporting Partners by Country | 0 | - | 4.85 | 62,732 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 49,179 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,768 |
| Middle East A-Z | 0 | - | 4.46 | 43,489 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.44 | 41,762 |
| 20th Century A-Z | 0 | - | 4.49 | 39,375 |
| 19th Century A-Z | 0 | - | 4.79 | 35,107 |
| Movie Musicals by Cast | 0 | - | 4.17 | 13,209 |
| Combined Song Titles #1 | 0 | - | 4.82 | 80,531 |
| Songs that Start with the Same Word | 0 | - | 4.86 | 99,616 |
| Tony Best Musicals Quiz | 0 | - | 4.30 | 23,824 |
| Songs From Broadway Musicals #2 | 0 | - | 4.19 | 31,247 |
| Characters from Musicals | 0 | - | 4.23 | 24,552 |
| Musical Theater Trivia | 0 | - | 4.18 | 15,633 |
| Family Bands | 0 | - | 4.07 | 21,159 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 77,635 |
| Star Wars A-Z | 0 | - | 4.44 | 80,758 |
| Monarchies of the World | 0 | - | 4.93 | 154,367 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 82,815 |
| Countries where the Sea Freezes | 0 | - | 4.90 | 82,345 |
| Largest Countries Without Deserts | 0 | - | 4.87 | 67,325 |
| Literature by Letter - A | 0 | - | 4.21 | 29,688 |
| Literature by Letter - D | 0 | - | 4.24 | 18,953 |
| Literature by Letter - C | 0 | - | 4.32 | 24,705 |
| Literature by Letter - F | 0 | - | 4.28 | 15,778 |
| Literature by Letter - E | 0 | - | 4.02 | 13,680 |
| Literature by Letter - H | 0 | - | 4.22 | 16,788 |
| Literature by Letter - I | 0 | - | 4.19 | 14,049 |
| Literature by Letter - L | 0 | - | 4.31 | 21,852 |
| Literature by Letter - M | 0 | - | 4.19 | 17,434 |
| Literature by Letter - P | 0 | - | 4.15 | 15,663 |
| Literature by Letter - O | 0 | - | 4.28 | 12,496 |
| Literature by Letter - J | 0 | - | 4.20 | 13,704 |
| Literature by Letter - N | 0 | - | 4.20 | 13,221 |
| Literature by Letter - K | 0 | - | 4.12 | 11,273 |
| Literature by Letter - R | 0 | - | 4.02 | 10,963 |
| Literature by Letter - T | 0 | - | 4.35 | 17,361 |
| Literature by Letter - U | 0 | - | 4.18 | 12,221 |
| Literature by Letter - V | 0 | - | 4.04 | 10,827 |
| Literature by Letter - W | 0 | - | 4.12 | 12,568 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.75 | 714,789 |
| A Quiz About Buddhism | 0 | - | 4.81 | 16,859 |
| Astronomy Quiz | 0 | - | 4.88 | 73,019 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 88,267 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 58,845 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,696 |
