| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,821 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,123 |
| Literature by Letter - D | 0 | - | 4.30 | 20,537 |
| Literature by Letter - C | 0 | - | 4.34 | 26,482 |
| Literature by Letter - F | 0 | - | 4.26 | 17,156 |
| Literature by Letter - E | 0 | - | 4.03 | 15,039 |
| Literature by Letter - H | 0 | - | 4.23 | 18,072 |
| Literature by Letter - I | 0 | - | 4.25 | 15,213 |
| Literature by Letter - L | 0 | - | 4.32 | 23,213 |
| Literature by Letter - M | 0 | - | 4.18 | 18,612 |
| Literature by Letter - P | 0 | - | 4.18 | 16,730 |
| Literature by Letter - O | 0 | - | 4.30 | 13,522 |
| Literature by Letter - J | 0 | - | 4.23 | 14,815 |
| Literature by Letter - N | 0 | - | 4.24 | 14,296 |
| Literature by Letter - K | 0 | - | 4.13 | 12,281 |
| Literature by Letter - R | 0 | - | 4.06 | 11,874 |
| Literature by Letter - T | 0 | - | 4.37 | 18,553 |
| Literature by Letter - U | 0 | - | 4.20 | 13,087 |
| Literature by Letter - V | 0 | - | 4.06 | 11,721 |
| Literature by Letter - W | 0 | - | 4.15 | 13,477 |
| Geography by Letter - T | 0 | - | 4.84 | 153,487 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,815 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,938 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,639 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,133 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,890 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,802 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,589 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,109 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,895 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,545 |
| Famous Literary Characters | 0 | - | 4.38 | 36,459 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,229 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,753 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,467 |
| Books by Plot Description | 0 | - | 4.55 | 26,587 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,364 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,871 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,003 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,168 |
| Literature by Letter - G | 0 | - | 3.91 | 14,515 |
| Literature by Letter - S | 0 | - | 3.94 | 11,884 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,091 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,573 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,783 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,122 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,651 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 800,833 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,954 |
| Geography by Letter - A | 0 | - | 4.74 | 211,272 |
| Geography by Letter - B | 0 | - | 4.56 | 184,328 |
| Geography by Letter - H | 0 | - | 4.69 | 150,088 |
| Geography by Letter - C | 0 | - | 4.47 | 158,440 |
| Geography by Letter - D | 0 | - | 4.50 | 150,291 |
| Geography by Letter - E | 0 | - | 4.42 | 147,380 |
| Geography by Letter - I | 0 | - | 4.42 | 121,824 |
| Geography by Letter - K | 0 | - | 4.53 | 117,925 |
| Geography by Letter - L | 0 | - | 4.43 | 148,298 |
| Geography by Letter - M | 0 | - | 4.49 | 118,450 |
| Geography by Letter - N | 0 | - | 4.51 | 126,847 |
| Geography by Letter - P | 0 | - | 4.47 | 175,813 |
| Geography by Letter - R | 0 | - | 4.43 | 131,366 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,320 |
| Geography by Letter - U | 0 | - | 4.53 | 142,805 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,090 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,254 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,835 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,306 |
| Empires A-Z | 0 | - | 4.51 | 45,063 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,500 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,109 |
| Movies that Start with G | 0 | - | 4.49 | 68,448 |
| Movies that Start with I | 0 | - | 4.41 | 65,090 |
| History by Letter - A | 0 | - | 4.51 | 152,679 |
| History by Letter - B | 0 | - | 4.45 | 171,913 |
| History by Letter - C | 0 | - | 4.70 | 171,125 |
| History by Letter - E | 0 | - | 4.51 | 140,389 |
| History by Letter - G | 0 | - | 4.46 | 121,902 |
| History by Letter - H | 0 | - | 4.45 | 136,361 |
| History by Letter - J | 0 | - | 4.51 | 153,807 |
| History by Letter - N | 0 | - | 4.45 | 103,877 |
| History by Letter - S | 0 | - | 4.47 | 94,235 |
| History by Letter - W | 0 | - | 4.45 | 109,166 |
| History by Letter - M | 0 | - | 4.54 | 119,686 |
| History by Letter - K | 0 | - | 4.50 | 101,209 |
| History by Letter - L | 0 | - | 4.50 | 111,930 |
| History by Letter - I | 0 | - | 4.46 | 104,067 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,951 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,411 |
| Authors of Children's Books | 0 | - | 4.23 | 19,973 |
| Books by City | 0 | - | 4.04 | 14,236 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,486 |
| Dewey Decimal System | 0 | - | 4.28 | 13,560 |
| Authors by Country | 0 | - | 4.40 | 32,150 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,543 |
| 1984 the Book | 0 | - | 4.61 | 21,010 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,598 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,450 |
| Countries by Military Spending | 0 | - | 4.93 | 177,188 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,280 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,060 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,312,422 |
| Animals that Start with L | 0 | - | 4.47 | 101,748 |
| Animals that Start with P | 0 | - | 4.45 | 85,990 |
| Animals that Start with S | 0 | - | 4.49 | 87,189 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,156 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,221 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,754 |
| Islands A-Z | 0 | - | 4.46 | 117,300 |
| Human Body A-Z | 0 | - | 4.51 | 128,967 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,320 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,118 |
| Africa A-Z | 0 | - | 4.57 | 46,544 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,203 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,891 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,017 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,112 |
| Books by Clue #2 | 0 | - | 4.43 | 26,659 |
| Disney A-Z | 0 | - | 4.37 | 86,907 |
| Companies A-Z | 0 | - | 4.30 | 42,672 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,587 |
| Geography by Letter - G | 0 | - | 4.35 | 126,093 |
| Geography by Letter - F | 0 | - | 4.27 | 137,661 |
| Geography by Letter - J | 0 | - | 4.34 | 122,727 |
| Geography by Letter - O | 0 | - | 4.37 | 129,568 |
| Geography by Letter - V | 0 | - | 4.39 | 121,527 |
| Geography by Letter - W | 0 | - | 4.39 | 114,679 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,162 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,486 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,329 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,215 |
| Video Games A-Z | 0 | - | 4.08 | 38,885 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,195 |
| Movies that Start with A | 0 | - | 4.13 | 61,805 |
| Movies that Start with C | 0 | - | 4.30 | 61,765 |
| Movies that Start with B | 0 | - | 4.36 | 85,121 |
| Movies that Start with D | 0 | - | 4.34 | 68,371 |
| Movies that Start with E | 0 | - | 4.13 | 68,303 |
| Movies that Start with J | 0 | - | 4.18 | 76,085 |
| Movies that Start with L | 0 | - | 4.16 | 60,358 |
| Movies that Start with M | 0 | - | 4.28 | 48,176 |
| Movies that Start with N | 0 | - | 4.02 | 41,213 |
| Movies that Start with P | 0 | - | 4.25 | 54,112 |
| Movies that Start with R | 0 | - | 4.17 | 46,584 |
| Movies that Start with W | 0 | - | 4.07 | 44,222 |
| Movies that Start with T | 0 | - | 4.34 | 49,238 |
| Movies that Start with S | 0 | - | 4.35 | 56,403 |
| Movies that Start with F | 0 | - | 4.13 | 68,782 |
| History by Letter - D | 0 | - | 4.39 | 137,366 |
| History by Letter - F | 0 | - | 4.18 | 114,079 |
| History by Letter - O | 0 | - | 4.32 | 99,384 |
| History by Letter - P | 0 | - | 4.39 | 107,724 |
| History by Letter - Q | 0 | - | 4.34 | 80,239 |
| History by Letter - R | 0 | - | 4.26 | 122,046 |
| History by Letter - T | 0 | - | 4.39 | 105,168 |
| History by Letter - U | 0 | - | 4.19 | 100,687 |
| History by Letter - V | 0 | - | 4.27 | 80,666 |
| History by Letter - Y | 0 | - | 4.27 | 87,178 |
| History by Letter - Z | 0 | - | 4.19 | 76,955 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,205 |
| Music by Letter - F | 0 | - | 4.48 | 26,954 |
| Music by Letter - A | 0 | - | 4.61 | 31,315 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,743 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,259 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,449 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,827 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,301 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,823 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,705 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,746 |
| Bestselling Authors | 0 | - | 4.10 | 18,870 |
| Characters from Books #2 | 0 | - | 4.42 | 79,795 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,442 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,641 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,033 |
| Middle East A-Z | 0 | - | 4.47 | 45,949 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,277 |
| 20th Century A-Z | 0 | - | 4.50 | 53,533 |
| 19th Century A-Z | 0 | - | 4.77 | 47,119 |
| 18th Century A-Z | 0 | - | 4.54 | 42,993 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,433 |
| Books by Clue #1 | 0 | - | 4.36 | 25,751 |
| Literary Groups of Things | 0 | - | 4.26 | 30,601 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,731 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,325 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,270 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,122 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,766 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,298 |
| Star Wars A-Z | 0 | - | 4.46 | 87,916 |
| Monarchies of the World | 0 | - | 4.94 | 167,734 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 112,244 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,474 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,990 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,938 |
| Astronomy Quiz | 0 | - | 4.90 | 82,273 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,687 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,489 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,154 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,365 |
