| Music by Letter - F | 0 | - | 4.45 | 24,966 |
| Music by Letter - P | 0 | - | 4.41 | 18,014 |
| Music by Letter - A | 0 | - | 4.60 | 28,990 |
| A to Z: Musical Terms | 0 | - | 4.44 | 37,922 |
| Music by Letter - E | 0 | - | 4.37 | 24,760 |
| Music by Letter - I | 0 | - | 4.17 | 14,388 |
| Music by Letter - H | 0 | - | 4.18 | 20,840 |
| Music by Letter - B | 0 | - | 4.37 | 23,357 |
| Music by Letter - J | 0 | - | 4.35 | 19,202 |
| Music by Letter - G | 0 | - | 4.33 | 19,634 |
| Music by Letter - R | 0 | - | 4.04 | 13,813 |
| Music by Letter - C | 0 | - | 4.14 | 19,615 |
| Music by Letter - D | 0 | - | 4.29 | 20,536 |
| Music by Letter - W | 0 | - | 4.34 | 17,423 |
| Music by Letter - N | 0 | - | 4.18 | 13,530 |
| Music by Letter - V | 0 | - | 4.33 | 16,605 |
| Music by Letter - M | 0 | - | 4.26 | 16,859 |
| Music by Letter - K | 0 | - | 4.15 | 14,962 |
| Music by Letter - T | 0 | - | 4.29 | 18,072 |
| Music by Letter - S | 0 | - | 4.29 | 17,698 |
| Music by Letter - O | 0 | - | 4.21 | 15,761 |
| Geography by Letter - T | 0 | - | 4.82 | 124,873 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 70,272 |
| Geography by Letter on the World Map - A | 0 | - | 4.82 | 93,586 |
| Geography by Letter on the World Map - C | 0 | - | 4.81 | 104,267 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 140,455 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 182,652 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 162,735 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 177,850 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 288,366 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 168,843 |
| Musical Acts by Letter - J | 0 | - | 4.19 | 71,745 |
| Musical Acts by Letter - M | 0 | - | 4.13 | 79,493 |
| Musical Acts by Letter - N | 0 | - | 4.06 | 57,832 |
| Musical Acts by Letter - P | 0 | - | 4.18 | 54,602 |
| Musical Acts by Letter - R | 0 | - | 4.24 | 71,273 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 74,537 |
| Musical Acts by Letter - B | 0 | - | 4.30 | 65,739 |
| Musical Acts by Letter - C | 0 | - | 4.39 | 53,997 |
| Musical Acts by Letter - D | 0 | - | 4.11 | 47,644 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 55,859 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 216,161 |
| 19th Century A-Z | 0 | - | 4.82 | 34,654 |
| A to Z: Musical Terms #2 | 0 | - | 4.12 | 9,880 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.10 | 40,728 |
| NATO Military Alphabet | 0 | - | 4.98 | 505,469 |
| Geography by Letter - A | 0 | - | 4.66 | 194,196 |
| Geography by Letter - B | 0 | - | 4.55 | 167,200 |
| Geography by Letter - H | 0 | - | 4.75 | 135,534 |
| Geography by Letter - C | 0 | - | 4.50 | 143,562 |
| Geography by Letter - D | 0 | - | 4.47 | 136,984 |
| Geography by Letter - I | 0 | - | 4.43 | 111,348 |
| Geography by Letter - K | 0 | - | 4.54 | 107,056 |
| Geography by Letter - L | 0 | - | 4.45 | 136,120 |
| Geography by Letter - M | 0 | - | 4.48 | 106,564 |
| Geography by Letter - N | 0 | - | 4.53 | 115,866 |
| Geography by Letter - P | 0 | - | 4.46 | 163,181 |
| Geography by Letter - S #1 | 0 | - | 4.79 | 116,895 |
| Geography by Letter - U | 0 | - | 4.54 | 119,168 |
| Geography by Letter - W | 0 | - | 4.42 | 97,288 |
| Asian Geography By Letter - K | 0 | - | 4.77 | 55,780 |
| Geography A-Z #2 | 0 | - | 4.46 | 49,611 |
| Geography A-Z #5 | 0 | - | 4.42 | 34,965 |
| Geography A-Z #1 | 0 | - | 4.55 | 66,175 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,806 |
| Movies that Start with G | 0 | - | 4.48 | 64,908 |
| Movies that Start with I | 0 | - | 4.41 | 61,843 |
| History by Letter - A | 0 | - | 4.50 | 139,621 |
| History by Letter - B | 0 | - | 4.48 | 157,303 |
| History by Letter - C | 0 | - | 4.70 | 154,967 |
| History by Letter - E | 0 | - | 4.49 | 128,320 |
| History by Letter - G | 0 | - | 4.48 | 111,429 |
| History by Letter - H | 0 | - | 4.42 | 124,406 |
| History by Letter - J | 0 | - | 4.49 | 141,078 |
| History by Letter - N | 0 | - | 4.44 | 94,903 |
| History by Letter - S | 0 | - | 4.46 | 85,712 |
| History by Letter - W | 0 | - | 4.45 | 99,378 |
| History by Letter - M | 0 | - | 4.54 | 109,931 |
| History by Letter - K | 0 | - | 4.48 | 92,791 |
| History by Letter - L | 0 | - | 4.47 | 103,003 |
| History by Letter - I | 0 | - | 4.48 | 95,622 |
| Musical Acts by Letter - F | 0 | - | 3.86 | 58,513 |
| Musical Acts by Letter - G | 0 | - | 3.95 | 64,978 |
| Musical Acts by Letter - L | 0 | - | 3.74 | 66,964 |
| Musical Acts by Letter - S | 0 | - | 3.96 | 70,027 |
| Musical Acts by Letter - T | 0 | - | 4.00 | 55,222 |
| Musical Acts by Letter - K | 0 | - | 3.89 | 84,715 |
| Countries by Military Spending | 0 | - | 4.93 | 161,314 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.90 | 98,721 |
| All Hamilton Songs | 0 | - | 4.58 | 39,953 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,184,110 |
| Animals that Start with L | 0 | - | 4.44 | 95,011 |
| Animals that Start with P | 0 | - | 4.42 | 80,446 |
| Animals that Start with S | 0 | - | 4.49 | 81,109 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 79,568 |
| World Cities A-Z #1 | 0 | - | 4.54 | 59,199 |
| Islands A-Z | 0 | - | 4.46 | 106,584 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,839 |
| Human Body A-Z | 0 | - | 4.49 | 109,221 |
| Africa A-Z | 0 | - | 4.54 | 43,961 |
| People in History A-Z #1 | 0 | - | 4.65 | 91,385 |
| People in History A-Z #2 | 0 | - | 4.46 | 50,465 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,516 |
| Queen Songs | 0 | - | 4.81 | 22,257 |
| Longest Running Broadway Theater Productions | 0 | - | 4.01 | 51,006 |
| Songs From Broadway Musicals #1 | 0 | - | 4.11 | 52,802 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.29 | 46,390 |
| Disney A-Z | 0 | - | 4.40 | 79,014 |
| Classic Novels by Plot #2 | 0 | - | 4.81 | 31,408 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 14,023 |
| Companies A-Z | 0 | - | 4.32 | 41,508 |
| Religion A-Z #1 | 0 | - | 4.31 | 58,919 |
| Geography by Letter - E | 0 | - | 4.40 | 134,686 |
| Geography by Letter - G | 0 | - | 4.36 | 114,635 |
| Geography by Letter - F | 0 | - | 4.27 | 125,328 |
| Geography by Letter - J | 0 | - | 4.36 | 111,933 |
| Geography by Letter - O | 0 | - | 4.38 | 118,053 |
| Geography by Letter - R | 0 | - | 4.40 | 106,342 |
| Geography by Letter - V | 0 | - | 4.38 | 97,190 |
| Geography by Letter - Y | 0 | - | 4.37 | 92,441 |
| Geography by Letter - Z | 0 | - | 4.04 | 64,140 |
| Geography by Letter - Q | 0 | - | 4.35 | 59,922 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.20 | 33,405 |
| Video Games A-Z | 0 | - | 4.04 | 35,589 |
| Geography A-Z #3 | 0 | - | 4.21 | 36,892 |
| Movies that Start with A | 0 | - | 4.11 | 58,685 |
| Movies that Start with C | 0 | - | 4.30 | 58,120 |
| Movies that Start with B | 0 | - | 4.36 | 80,862 |
| Movies that Start with D | 0 | - | 4.35 | 65,657 |
| Movies that Start with E | 0 | - | 4.16 | 65,558 |
| Movies that Start with J | 0 | - | 4.22 | 72,779 |
| Movies that Start with L | 0 | - | 4.17 | 57,916 |
| Movies that Start with M | 0 | - | 4.27 | 46,158 |
| Movies that Start with N | 0 | - | 4.06 | 39,376 |
| Movies that Start with P | 0 | - | 4.25 | 52,089 |
| Movies that Start with R | 0 | - | 4.13 | 43,977 |
| Movies that Start with W | 0 | - | 4.06 | 42,584 |
| Movies that Start with T | 0 | - | 4.37 | 46,959 |
| Movies that Start with S | 0 | - | 4.37 | 53,960 |
| Movies that Start with F | 0 | - | 4.15 | 66,066 |
| History by Letter - D | 0 | - | 4.34 | 126,645 |
| History by Letter - F | 0 | - | 4.18 | 104,857 |
| History by Letter - O | 0 | - | 4.30 | 91,852 |
| History by Letter - P | 0 | - | 4.37 | 99,101 |
| History by Letter - Q | 0 | - | 4.35 | 74,470 |
| History by Letter - R | 0 | - | 4.22 | 113,407 |
| History by Letter - T | 0 | - | 4.40 | 97,148 |
| History by Letter - U | 0 | - | 4.19 | 93,031 |
| History by Letter - V | 0 | - | 4.27 | 75,059 |
| History by Letter - Y | 0 | - | 4.28 | 81,366 |
| History by Letter - Z | 0 | - | 4.20 | 72,105 |
| Top Musical Acts of All-Time | 0 | - | 3.84 | 128,467 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 60,347 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 138,843 |
| Top Five Exporting Partners by Country | 0 | - | 4.85 | 62,540 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 49,087 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,702 |
| Middle East A-Z | 0 | - | 4.46 | 43,352 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.44 | 41,625 |
| 20th Century A-Z | 0 | - | 4.48 | 38,960 |
| 18th Century A-Z | 0 | - | 4.60 | 31,768 |
| Movie Musicals by Cast | 0 | - | 4.17 | 13,128 |
| Combined Song Titles #1 | 0 | - | 4.82 | 80,288 |
| Songs that Start with the Same Word | 0 | - | 4.86 | 99,239 |
| Tony Best Musicals Quiz | 0 | - | 4.30 | 23,720 |
| Songs From Broadway Musicals #2 | 0 | - | 4.19 | 31,114 |
| Characters from Musicals | 0 | - | 4.22 | 24,446 |
| Musical Theater Trivia | 0 | - | 4.16 | 15,567 |
| Family Bands | 0 | - | 4.07 | 21,128 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 77,298 |
| Star Wars A-Z | 0 | - | 4.44 | 80,425 |
| Monarchies of the World | 0 | - | 4.93 | 153,944 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 82,488 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 82,028 |
| Largest Countries Without Deserts | 0 | - | 4.87 | 66,982 |
| Literature by Letter - A | 0 | - | 4.21 | 29,579 |
| Literature by Letter - D | 0 | - | 4.24 | 18,892 |
| Literature by Letter - C | 0 | - | 4.32 | 24,622 |
| Literature by Letter - F | 0 | - | 4.28 | 15,721 |
| Literature by Letter - E | 0 | - | 4.02 | 13,634 |
| Literature by Letter - H | 0 | - | 4.22 | 16,737 |
| Literature by Letter - I | 0 | - | 4.19 | 14,002 |
| Literature by Letter - L | 0 | - | 4.31 | 21,794 |
| Literature by Letter - M | 0 | - | 4.19 | 17,387 |
| Literature by Letter - P | 0 | - | 4.15 | 15,618 |
| Literature by Letter - O | 0 | - | 4.28 | 12,457 |
| Literature by Letter - J | 0 | - | 4.20 | 13,660 |
| Literature by Letter - N | 0 | - | 4.20 | 13,180 |
| Literature by Letter - K | 0 | - | 4.12 | 11,236 |
| Literature by Letter - R | 0 | - | 4.02 | 10,925 |
| Literature by Letter - T | 0 | - | 4.35 | 17,307 |
| Literature by Letter - U | 0 | - | 4.18 | 12,184 |
| Literature by Letter - V | 0 | - | 4.04 | 10,789 |
| Literature by Letter - W | 0 | - | 4.12 | 12,537 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.75 | 711,390 |
| A Quiz About Buddhism | 0 | - | 4.81 | 16,811 |
| Astronomy Quiz | 0 | - | 4.87 | 65,119 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 87,910 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 58,534 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,126 |
