| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,487 |
| Literature by Letter - A | 0 | - | 4.23 | 31,752 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,066 |
| Literature by Letter - D | 0 | - | 4.30 | 20,452 |
| Literature by Letter - C | 0 | - | 4.34 | 26,378 |
| Literature by Letter - F | 0 | - | 4.25 | 17,077 |
| Literature by Letter - E | 0 | - | 4.03 | 14,965 |
| Literature by Letter - H | 0 | - | 4.23 | 17,995 |
| Literature by Letter - I | 0 | - | 4.25 | 15,141 |
| Literature by Letter - L | 0 | - | 4.32 | 23,135 |
| Literature by Letter - M | 0 | - | 4.16 | 18,535 |
| 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 | 14,742 |
| Literature by Letter - N | 0 | - | 4.24 | 14,237 |
| Literature by Letter - K | 0 | - | 4.13 | 12,225 |
| Literature by Letter - R | 0 | - | 4.06 | 11,821 |
| Literature by Letter - U | 0 | - | 4.20 | 13,040 |
| Literature by Letter - V | 0 | - | 4.06 | 11,673 |
| Literature by Letter - W | 0 | - | 4.15 | 13,427 |
| Geography by Letter - T | 0 | - | 4.84 | 152,365 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,618 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,227 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,856 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,699 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,873 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,356 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,692 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,338 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,337 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,115 |
| Famous Literary Characters | 0 | - | 4.38 | 36,304 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,157 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,582 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,338 |
| Books by Plot Description | 0 | - | 4.54 | 26,379 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,119 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,760 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 63,135 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 102,996 |
| Literature by Letter - G | 0 | - | 3.91 | 14,455 |
| Literature by Letter - S | 0 | - | 3.94 | 11,822 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,747 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,690 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,607 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,980 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,949 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,724 |
| Geography by Letter - A | 0 | - | 4.74 | 210,041 |
| Geography by Letter - B | 0 | - | 4.56 | 183,217 |
| Geography by Letter - H | 0 | - | 4.69 | 149,240 |
| Geography by Letter - C | 0 | - | 4.47 | 157,517 |
| Geography by Letter - D | 0 | - | 4.50 | 149,454 |
| Geography by Letter - E | 0 | - | 4.42 | 146,610 |
| Geography by Letter - I | 0 | - | 4.42 | 121,173 |
| Geography by Letter - K | 0 | - | 4.53 | 117,293 |
| Geography by Letter - L | 0 | - | 4.43 | 147,580 |
| Geography by Letter - M | 0 | - | 4.49 | 117,595 |
| Geography by Letter - N | 0 | - | 4.51 | 126,204 |
| Geography by Letter - P | 0 | - | 4.47 | 175,111 |
| Geography by Letter - R | 0 | - | 4.43 | 130,289 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,563 |
| Geography by Letter - U | 0 | - | 4.54 | 142,025 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,970 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,034 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,673 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,180 |
| Empires A-Z | 0 | - | 4.51 | 44,797 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,324 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,879 |
| Movies that Start with G | 0 | - | 4.48 | 68,234 |
| Movies that Start with I | 0 | - | 4.41 | 64,872 |
| History by Letter - A | 0 | - | 4.51 | 152,072 |
| History by Letter - B | 0 | - | 4.45 | 171,223 |
| History by Letter - C | 0 | - | 4.69 | 170,257 |
| History by Letter - E | 0 | - | 4.51 | 139,810 |
| History by Letter - G | 0 | - | 4.45 | 121,410 |
| History by Letter - H | 0 | - | 4.45 | 135,840 |
| History by Letter - J | 0 | - | 4.51 | 153,198 |
| History by Letter - N | 0 | - | 4.44 | 103,367 |
| History by Letter - S | 0 | - | 4.47 | 93,650 |
| History by Letter - W | 0 | - | 4.45 | 108,700 |
| History by Letter - M | 0 | - | 4.54 | 119,072 |
| History by Letter - K | 0 | - | 4.50 | 100,806 |
| History by Letter - L | 0 | - | 4.49 | 111,481 |
| History by Letter - I | 0 | - | 4.46 | 103,656 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,202 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,161 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,721 |
| Authors of Children's Books | 0 | - | 4.23 | 19,948 |
| Books by City | 0 | - | 4.04 | 14,192 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,425 |
| Dewey Decimal System | 0 | - | 4.28 | 13,539 |
| Authors by Country | 0 | - | 4.40 | 32,081 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,474 |
| 1984 the Book | 0 | - | 4.61 | 20,954 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,554 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,381 |
| Countries by Military Spending | 0 | - | 4.93 | 176,355 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,658 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,928 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,404 |
| Animals that Start with L | 0 | - | 4.47 | 101,224 |
| Animals that Start with P | 0 | - | 4.45 | 85,620 |
| Animals that Start with S | 0 | - | 4.49 | 86,781 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,602 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,546 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,710 |
| Islands A-Z | 0 | - | 4.46 | 116,719 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,233 |
| Human Body A-Z | 0 | - | 4.51 | 128,337 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 34,036 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,791 |
| Africa A-Z | 0 | - | 4.57 | 46,359 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,038 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,574 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,799 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,949 |
| Books by Clue #2 | 0 | - | 4.43 | 26,596 |
| Disney A-Z | 0 | - | 4.37 | 86,120 |
| Companies A-Z | 0 | - | 4.30 | 42,605 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,475 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,805 |
| Geography by Letter - G | 0 | - | 4.35 | 125,435 |
| Geography by Letter - F | 0 | - | 4.27 | 137,010 |
| Geography by Letter - J | 0 | - | 4.34 | 122,135 |
| Geography by Letter - O | 0 | - | 4.37 | 128,956 |
| Geography by Letter - V | 0 | - | 4.39 | 120,839 |
| Geography by Letter - W | 0 | - | 4.39 | 114,163 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,635 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,005 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,847 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,106 |
| Video Games A-Z | 0 | - | 4.08 | 38,677 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,065 |
| Movies that Start with A | 0 | - | 4.13 | 61,628 |
| Movies that Start with C | 0 | - | 4.30 | 61,564 |
| Movies that Start with B | 0 | - | 4.35 | 84,898 |
| 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 | 75,904 |
| Movies that Start with L | 0 | - | 4.16 | 60,216 |
| Movies that Start with M | 0 | - | 4.28 | 48,051 |
| Movies that Start with N | 0 | - | 4.02 | 41,099 |
| Movies that Start with P | 0 | - | 4.25 | 53,991 |
| Movies that Start with R | 0 | - | 4.17 | 46,431 |
| Movies that Start with W | 0 | - | 4.07 | 44,123 |
| Movies that Start with T | 0 | - | 4.33 | 49,099 |
| Movies that Start with S | 0 | - | 4.35 | 56,255 |
| Movies that Start with F | 0 | - | 4.13 | 68,626 |
| History by Letter - D | 0 | - | 4.39 | 136,854 |
| History by Letter - F | 0 | - | 4.18 | 113,665 |
| History by Letter - O | 0 | - | 4.31 | 99,030 |
| History by Letter - P | 0 | - | 4.38 | 107,320 |
| History by Letter - Q | 0 | - | 4.34 | 79,957 |
| History by Letter - R | 0 | - | 4.26 | 121,625 |
| History by Letter - T | 0 | - | 4.39 | 104,849 |
| History by Letter - U | 0 | - | 4.19 | 100,219 |
| History by Letter - V | 0 | - | 4.27 | 80,343 |
| History by Letter - Y | 0 | - | 4.27 | 86,918 |
| History by Letter - Z | 0 | - | 4.18 | 76,723 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,110 |
| Music by Letter - F | 0 | - | 4.48 | 26,809 |
| Music by Letter - A | 0 | - | 4.61 | 31,171 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,631 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,994 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,154 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,654 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,778 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,664 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,658 |
| Bestselling Authors | 0 | - | 4.10 | 18,813 |
| Characters from Books #2 | 0 | - | 4.42 | 79,508 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,422 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,756 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,829 |
| Middle East A-Z | 0 | - | 4.47 | 45,775 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,141 |
| 20th Century A-Z | 0 | - | 4.50 | 53,149 |
| 19th Century A-Z | 0 | - | 4.77 | 46,719 |
| 18th Century A-Z | 0 | - | 4.54 | 42,632 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,395 |
| Books by Clue #1 | 0 | - | 4.36 | 25,700 |
| Literary Groups of Things | 0 | - | 4.26 | 30,535 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,607 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,226 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,229 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,847 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,667 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,051 |
| Star Wars A-Z | 0 | - | 4.46 | 87,139 |
| Monarchies of the World | 0 | - | 4.94 | 166,537 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,491 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,883 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,417 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,648 |
| Astronomy Quiz | 0 | - | 4.89 | 81,657 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,402 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,139 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,697 |
