| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,497 |
| Literature by Letter - A | 0 | - | 4.23 | 31,757 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,066 |
| Literature by Letter - D | 0 | - | 4.30 | 20,456 |
| Literature by Letter - C | 0 | - | 4.34 | 26,382 |
| Literature by Letter - F | 0 | - | 4.25 | 17,080 |
| Literature by Letter - E | 0 | - | 4.03 | 14,967 |
| Literature by Letter - H | 0 | - | 4.23 | 17,997 |
| Literature by Letter - I | 0 | - | 4.25 | 15,143 |
| Literature by Letter - L | 0 | - | 4.32 | 23,138 |
| Literature by Letter - M | 0 | - | 4.16 | 18,537 |
| 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 | 14,744 |
| Literature by Letter - N | 0 | - | 4.24 | 14,237 |
| Literature by Letter - R | 0 | - | 4.06 | 11,822 |
| Literature by Letter - T | 0 | - | 4.37 | 18,487 |
| Literature by Letter - U | 0 | - | 4.20 | 13,040 |
| Literature by Letter - V | 0 | - | 4.06 | 11,674 |
| Literature by Letter - W | 0 | - | 4.15 | 13,428 |
| Geography by Letter - T | 0 | - | 4.84 | 152,384 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,622 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,239 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,869 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,712 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,895 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,366 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,707 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,355 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,348 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,127 |
| Famous Literary Characters | 0 | - | 4.38 | 36,307 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,158 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,583 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,340 |
| Books by Plot Description | 0 | - | 4.54 | 26,384 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,124 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,761 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 63,185 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,000 |
| Literature by Letter - G | 0 | - | 3.91 | 14,457 |
| Literature by Letter - S | 0 | - | 3.94 | 11,823 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,780 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,710 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,608 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,980 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,026 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,759 |
| Geography by Letter - A | 0 | - | 4.74 | 210,060 |
| Geography by Letter - B | 0 | - | 4.56 | 183,231 |
| Geography by Letter - H | 0 | - | 4.69 | 149,254 |
| Geography by Letter - C | 0 | - | 4.47 | 157,528 |
| Geography by Letter - D | 0 | - | 4.50 | 149,465 |
| Geography by Letter - E | 0 | - | 4.42 | 146,622 |
| Geography by Letter - I | 0 | - | 4.42 | 121,182 |
| Geography by Letter - K | 0 | - | 4.53 | 117,305 |
| Geography by Letter - L | 0 | - | 4.43 | 147,589 |
| Geography by Letter - M | 0 | - | 4.49 | 117,603 |
| Geography by Letter - N | 0 | - | 4.51 | 126,210 |
| Geography by Letter - P | 0 | - | 4.47 | 175,122 |
| Geography by Letter - R | 0 | - | 4.43 | 130,299 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,572 |
| Geography by Letter - U | 0 | - | 4.54 | 142,039 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,972 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,040 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,673 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,180 |
| Empires A-Z | 0 | - | 4.51 | 44,806 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,325 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,891 |
| Movies that Start with G | 0 | - | 4.48 | 68,235 |
| Movies that Start with I | 0 | - | 4.41 | 64,876 |
| History by Letter - A | 0 | - | 4.51 | 152,082 |
| History by Letter - B | 0 | - | 4.45 | 171,231 |
| History by Letter - C | 0 | - | 4.69 | 170,271 |
| History by Letter - E | 0 | - | 4.51 | 139,818 |
| History by Letter - G | 0 | - | 4.45 | 121,423 |
| History by Letter - H | 0 | - | 4.45 | 135,846 |
| History by Letter - J | 0 | - | 4.51 | 153,208 |
| History by Letter - N | 0 | - | 4.44 | 103,371 |
| History by Letter - S | 0 | - | 4.47 | 93,661 |
| History by Letter - W | 0 | - | 4.45 | 108,706 |
| History by Letter - M | 0 | - | 4.54 | 119,078 |
| History by Letter - K | 0 | - | 4.50 | 100,811 |
| History by Letter - L | 0 | - | 4.49 | 111,488 |
| History by Letter - I | 0 | - | 4.46 | 103,664 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,212 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,167 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,735 |
| Authors of Children's Books | 0 | - | 4.23 | 19,948 |
| Books by City | 0 | - | 4.04 | 14,194 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,425 |
| Dewey Decimal System | 0 | - | 4.28 | 13,539 |
| Authors by Country | 0 | - | 4.40 | 32,083 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,475 |
| 1984 the Book | 0 | - | 4.61 | 20,955 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,554 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,382 |
| Countries by Military Spending | 0 | - | 4.93 | 176,368 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,664 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,932 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,505 |
| Animals that Start with L | 0 | - | 4.47 | 101,231 |
| Animals that Start with P | 0 | - | 4.45 | 85,625 |
| Animals that Start with S | 0 | - | 4.49 | 86,784 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,616 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,555 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,786 |
| Islands A-Z | 0 | - | 4.46 | 116,731 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,305 |
| Human Body A-Z | 0 | - | 4.51 | 128,355 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 34,099 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,798 |
| Africa A-Z | 0 | - | 4.57 | 46,362 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,040 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,580 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,803 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,952 |
| Books by Clue #2 | 0 | - | 4.43 | 26,598 |
| Disney A-Z | 0 | - | 4.37 | 86,201 |
| Companies A-Z | 0 | - | 4.30 | 42,607 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,476 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,805 |
| Geography by Letter - G | 0 | - | 4.35 | 125,445 |
| Geography by Letter - F | 0 | - | 4.27 | 137,025 |
| Geography by Letter - J | 0 | - | 4.34 | 122,143 |
| Geography by Letter - O | 0 | - | 4.37 | 128,960 |
| Geography by Letter - V | 0 | - | 4.39 | 120,854 |
| Geography by Letter - W | 0 | - | 4.39 | 114,173 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,641 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,011 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,858 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,107 |
| Video Games A-Z | 0 | - | 4.08 | 38,680 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,065 |
| Movies that Start with A | 0 | - | 4.13 | 61,629 |
| Movies that Start with C | 0 | - | 4.30 | 61,567 |
| Movies that Start with B | 0 | - | 4.35 | 84,900 |
| Movies that Start with D | 0 | - | 4.34 | 68,215 |
| Movies that Start with E | 0 | - | 4.13 | 68,160 |
| Movies that Start with J | 0 | - | 4.18 | 75,905 |
| Movies that Start with L | 0 | - | 4.16 | 60,216 |
| Movies that Start with M | 0 | - | 4.28 | 48,052 |
| Movies that Start with N | 0 | - | 4.02 | 41,100 |
| Movies that Start with P | 0 | - | 4.25 | 53,992 |
| Movies that Start with R | 0 | - | 4.17 | 46,432 |
| Movies that Start with W | 0 | - | 4.07 | 44,124 |
| Movies that Start with T | 0 | - | 4.33 | 49,101 |
| Movies that Start with S | 0 | - | 4.35 | 56,259 |
| Movies that Start with F | 0 | - | 4.13 | 68,627 |
| History by Letter - D | 0 | - | 4.39 | 136,860 |
| History by Letter - F | 0 | - | 4.18 | 113,670 |
| History by Letter - O | 0 | - | 4.31 | 99,037 |
| History by Letter - P | 0 | - | 4.38 | 107,326 |
| History by Letter - Q | 0 | - | 4.34 | 79,964 |
| History by Letter - R | 0 | - | 4.26 | 121,633 |
| History by Letter - T | 0 | - | 4.39 | 104,853 |
| History by Letter - U | 0 | - | 4.19 | 100,228 |
| History by Letter - V | 0 | - | 4.27 | 80,348 |
| History by Letter - Y | 0 | - | 4.27 | 86,922 |
| History by Letter - Z | 0 | - | 4.18 | 76,726 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,111 |
| Music by Letter - F | 0 | - | 4.48 | 26,815 |
| Music by Letter - A | 0 | - | 4.61 | 31,177 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,641 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,996 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,161 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,668 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,779 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,665 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,660 |
| Bestselling Authors | 0 | - | 4.10 | 18,815 |
| Characters from Books #2 | 0 | - | 4.42 | 79,515 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,422 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,768 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,830 |
| Middle East A-Z | 0 | - | 4.47 | 45,779 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,141 |
| 20th Century A-Z | 0 | - | 4.50 | 53,152 |
| 19th Century A-Z | 0 | - | 4.77 | 46,723 |
| 18th Century A-Z | 0 | - | 4.54 | 42,637 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,395 |
| Books by Clue #1 | 0 | - | 4.36 | 25,702 |
| Literary Groups of Things | 0 | - | 4.26 | 30,535 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,608 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,228 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,229 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,850 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,668 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,056 |
| Star Wars A-Z | 0 | - | 4.46 | 87,146 |
| Monarchies of the World | 0 | - | 4.94 | 166,558 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,503 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,891 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,431 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,656 |
| Astronomy Quiz | 0 | - | 4.89 | 81,663 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,408 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,143 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,707 |
