| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,893 |
| Literature by Letter - A | 0 | - | 4.23 | 31,934 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,175 |
| Literature by Letter - D | 0 | - | 4.30 | 20,606 |
| Literature by Letter - F | 0 | - | 4.26 | 17,221 |
| Literature by Letter - E | 0 | - | 4.03 | 15,103 |
| Literature by Letter - H | 0 | - | 4.23 | 18,128 |
| Literature by Letter - I | 0 | - | 4.25 | 15,270 |
| Literature by Letter - L | 0 | - | 4.32 | 23,258 |
| Literature by Letter - M | 0 | - | 4.18 | 18,665 |
| Literature by Letter - P | 0 | - | 4.18 | 16,787 |
| Literature by Letter - O | 0 | - | 4.30 | 13,574 |
| Literature by Letter - J | 0 | - | 4.23 | 14,879 |
| Literature by Letter - N | 0 | - | 4.24 | 14,352 |
| Literature by Letter - K | 0 | - | 4.13 | 12,339 |
| Literature by Letter - R | 0 | - | 4.06 | 11,937 |
| Literature by Letter - T | 0 | - | 4.37 | 18,588 |
| Literature by Letter - U | 0 | - | 4.20 | 13,132 |
| Literature by Letter - V | 0 | - | 4.06 | 11,776 |
| Literature by Letter - W | 0 | - | 4.15 | 13,526 |
| Geography by Letter - T | 0 | - | 4.84 | 153,678 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,850 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,046 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,747 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,203 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,120 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,887 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,753 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,230 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,211 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,604 |
| Famous Literary Characters | 0 | - | 4.38 | 36,493 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,241 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,792 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,495 |
| Books by Plot Description | 0 | - | 4.55 | 26,623 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,420 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,895 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,050 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,217 |
| Literature by Letter - G | 0 | - | 3.91 | 14,576 |
| Literature by Letter - S | 0 | - | 3.94 | 11,941 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,307 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,696 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,821 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,146 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,345 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,236 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,967 |
| Geography by Letter - A | 0 | - | 4.74 | 211,429 |
| Geography by Letter - B | 0 | - | 4.56 | 184,481 |
| Geography by Letter - H | 0 | - | 4.69 | 150,191 |
| Geography by Letter - C | 0 | - | 4.47 | 158,563 |
| Geography by Letter - D | 0 | - | 4.50 | 150,417 |
| Geography by Letter - E | 0 | - | 4.42 | 147,498 |
| Geography by Letter - I | 0 | - | 4.42 | 121,928 |
| Geography by Letter - K | 0 | - | 4.53 | 118,023 |
| Geography by Letter - L | 0 | - | 4.43 | 148,420 |
| Geography by Letter - M | 0 | - | 4.49 | 118,544 |
| Geography by Letter - N | 0 | - | 4.51 | 127,028 |
| Geography by Letter - P | 0 | - | 4.47 | 175,924 |
| Geography by Letter - R | 0 | - | 4.43 | 131,507 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,445 |
| Geography by Letter - U | 0 | - | 4.53 | 142,961 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,120 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,283 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,867 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,329 |
| Empires A-Z | 0 | - | 4.52 | 45,090 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,535 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,150 |
| Movies that Start with G | 0 | - | 4.49 | 68,468 |
| Movies that Start with I | 0 | - | 4.41 | 65,109 |
| History by Letter - A | 0 | - | 4.51 | 152,807 |
| History by Letter - B | 0 | - | 4.45 | 172,040 |
| History by Letter - C | 0 | - | 4.70 | 171,318 |
| History by Letter - E | 0 | - | 4.51 | 140,482 |
| History by Letter - G | 0 | - | 4.46 | 121,998 |
| History by Letter - H | 0 | - | 4.45 | 136,455 |
| History by Letter - J | 0 | - | 4.51 | 153,908 |
| History by Letter - N | 0 | - | 4.45 | 104,000 |
| History by Letter - S | 0 | - | 4.47 | 94,296 |
| History by Letter - W | 0 | - | 4.45 | 109,251 |
| History by Letter - M | 0 | - | 4.54 | 119,758 |
| History by Letter - K | 0 | - | 4.50 | 101,281 |
| History by Letter - L | 0 | - | 4.50 | 112,007 |
| History by Letter - I | 0 | - | 4.46 | 104,135 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,050 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,534 |
| Authors of Children's Books | 0 | - | 4.23 | 19,981 |
| Books by City | 0 | - | 4.04 | 14,249 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,526 |
| Dewey Decimal System | 0 | - | 4.28 | 13,570 |
| Authors by Country | 0 | - | 4.40 | 32,160 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,555 |
| 1984 the Book | 0 | - | 4.61 | 21,017 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,604 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,457 |
| Countries by Military Spending | 0 | - | 4.93 | 177,342 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,392 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,080 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,644 |
| Animals that Start with L | 0 | - | 4.47 | 101,778 |
| Animals that Start with P | 0 | - | 4.45 | 86,014 |
| Animals that Start with S | 0 | - | 4.49 | 87,217 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,248 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,325 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,912 |
| Islands A-Z | 0 | - | 4.46 | 121,759 |
| Human Body A-Z | 0 | - | 4.51 | 129,031 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,405 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,164 |
| Africa A-Z | 0 | - | 4.57 | 46,565 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,225 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,934 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,053 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,145 |
| Books by Clue #2 | 0 | - | 4.43 | 26,664 |
| Disney A-Z | 0 | - | 4.37 | 86,961 |
| Companies A-Z | 0 | - | 4.30 | 42,682 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,602 |
| Geography by Letter - G | 0 | - | 4.35 | 126,192 |
| Geography by Letter - F | 0 | - | 4.27 | 137,759 |
| Geography by Letter - J | 0 | - | 4.34 | 122,818 |
| Geography by Letter - O | 0 | - | 4.37 | 129,657 |
| Geography by Letter - V | 0 | - | 4.39 | 121,656 |
| Geography by Letter - W | 0 | - | 4.39 | 114,778 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,429 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,595 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,414 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,227 |
| Video Games A-Z | 0 | - | 4.08 | 38,915 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,212 |
| Movies that Start with A | 0 | - | 4.13 | 61,821 |
| Movies that Start with C | 0 | - | 4.30 | 61,790 |
| Movies that Start with B | 0 | - | 4.36 | 85,148 |
| Movies that Start with D | 0 | - | 4.34 | 68,389 |
| Movies that Start with E | 0 | - | 4.13 | 68,319 |
| Movies that Start with J | 0 | - | 4.18 | 76,105 |
| Movies that Start with L | 0 | - | 4.16 | 60,375 |
| Movies that Start with M | 0 | - | 4.28 | 48,192 |
| Movies that Start with N | 0 | - | 4.02 | 41,225 |
| Movies that Start with P | 0 | - | 4.25 | 54,125 |
| Movies that Start with R | 0 | - | 4.17 | 46,603 |
| Movies that Start with W | 0 | - | 4.07 | 44,239 |
| Movies that Start with T | 0 | - | 4.34 | 49,258 |
| Movies that Start with S | 0 | - | 4.35 | 56,429 |
| Movies that Start with F | 0 | - | 4.13 | 68,804 |
| History by Letter - D | 0 | - | 4.39 | 137,452 |
| History by Letter - F | 0 | - | 4.18 | 114,157 |
| History by Letter - O | 0 | - | 4.32 | 99,447 |
| History by Letter - P | 0 | - | 4.39 | 107,790 |
| History by Letter - Q | 0 | - | 4.34 | 80,283 |
| History by Letter - R | 0 | - | 4.26 | 122,122 |
| History by Letter - T | 0 | - | 4.39 | 105,216 |
| History by Letter - U | 0 | - | 4.19 | 100,736 |
| History by Letter - V | 0 | - | 4.27 | 80,713 |
| History by Letter - Y | 0 | - | 4.27 | 87,227 |
| History by Letter - Z | 0 | - | 4.20 | 76,999 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,220 |
| Music by Letter - F | 0 | - | 4.48 | 26,965 |
| Music by Letter - A | 0 | - | 4.61 | 31,336 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,809 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,349 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,506 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,913 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,397 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,849 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,713 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,763 |
| Bestselling Authors | 0 | - | 4.10 | 18,885 |
| Characters from Books #2 | 0 | - | 4.42 | 79,825 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,444 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,818 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,071 |
| Middle East A-Z | 0 | - | 4.47 | 45,971 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,304 |
| 20th Century A-Z | 0 | - | 4.50 | 53,637 |
| 19th Century A-Z | 0 | - | 4.77 | 47,218 |
| 18th Century A-Z | 0 | - | 4.54 | 43,106 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,436 |
| Books by Clue #1 | 0 | - | 4.36 | 25,758 |
| Literary Groups of Things | 0 | - | 4.26 | 30,615 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,750 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,342 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,277 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,178 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,792 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,713 |
| Star Wars A-Z | 0 | - | 4.46 | 88,023 |
| Monarchies of the World | 0 | - | 4.94 | 168,203 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,324 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,567 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,077 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,994 |
| Astronomy Quiz | 0 | - | 4.90 | 82,373 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,714 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,545 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,234 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,400 |
