| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,088 |
| Literature by Letter - A | 0 | - | 4.24 | 32,109 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,274 |
| Literature by Letter - D | 0 | - | 4.30 | 20,770 |
| Literature by Letter - C | 0 | - | 4.34 | 26,709 |
| Literature by Letter - F | 0 | - | 4.26 | 17,362 |
| Literature by Letter - E | 0 | - | 4.05 | 15,259 |
| Literature by Letter - H | 0 | - | 4.29 | 19,970 |
| Literature by Letter - I | 0 | - | 4.23 | 16,942 |
| Literature by Letter - L | 0 | - | 4.32 | 23,361 |
| Literature by Letter - M | 0 | - | 4.18 | 18,774 |
| Literature by Letter - P | 0 | - | 4.18 | 16,909 |
| Literature by Letter - O | 0 | - | 4.30 | 13,671 |
| Literature by Letter - J | 0 | - | 4.23 | 15,001 |
| Literature by Letter - N | 0 | - | 4.24 | 14,456 |
| Literature by Letter - K | 0 | - | 4.13 | 12,457 |
| Literature by Letter - T | 0 | - | 4.37 | 18,680 |
| Literature by Letter - U | 0 | - | 4.20 | 13,230 |
| Literature by Letter - V | 0 | - | 4.06 | 11,870 |
| Literature by Letter - W | 0 | - | 4.15 | 13,625 |
| Geography by Letter - T | 0 | - | 4.84 | 153,991 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,932 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,244 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,951 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,514 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,584 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,209 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,263 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,797 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,446 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,833 |
| Famous Literary Characters | 0 | - | 4.38 | 36,559 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,273 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,859 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,549 |
| Books by Plot Description | 0 | - | 4.55 | 26,710 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,540 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,941 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,159 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,277 |
| Literature by Letter - G | 0 | - | 3.91 | 14,712 |
| Literature by Letter - S | 0 | - | 3.94 | 12,046 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,042 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,946 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,866 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,199 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,836 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,384 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,990 |
| Geography by Letter - A | 0 | - | 4.74 | 211,725 |
| Geography by Letter - B | 0 | - | 4.56 | 184,745 |
| Geography by Letter - H | 0 | - | 4.69 | 150,426 |
| Geography by Letter - C | 0 | - | 4.47 | 158,820 |
| Geography by Letter - D | 0 | - | 4.50 | 150,634 |
| Geography by Letter - E | 0 | - | 4.42 | 147,717 |
| Geography by Letter - I | 0 | - | 4.42 | 122,104 |
| Geography by Letter - K | 0 | - | 4.53 | 118,445 |
| Geography by Letter - L | 0 | - | 4.43 | 148,626 |
| Geography by Letter - M | 0 | - | 4.49 | 118,732 |
| Geography by Letter - N | 0 | - | 4.51 | 127,299 |
| Geography by Letter - P | 0 | - | 4.47 | 176,139 |
| Geography by Letter - R | 0 | - | 4.43 | 131,769 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,668 |
| Geography by Letter - U | 0 | - | 4.53 | 143,205 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,165 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,335 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,917 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,361 |
| Empires A-Z | 0 | - | 4.52 | 45,157 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,587 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,288 |
| Movies that Start with G | 0 | - | 4.49 | 68,544 |
| Movies that Start with I | 0 | - | 4.41 | 65,164 |
| History by Letter - A | 0 | - | 4.51 | 153,156 |
| History by Letter - B | 0 | - | 4.45 | 172,443 |
| History by Letter - C | 0 | - | 4.70 | 171,709 |
| History by Letter - E | 0 | - | 4.51 | 140,799 |
| History by Letter - G | 0 | - | 4.46 | 122,280 |
| History by Letter - H | 0 | - | 4.45 | 136,891 |
| History by Letter - J | 0 | - | 4.51 | 154,214 |
| History by Letter - N | 0 | - | 4.45 | 104,195 |
| History by Letter - S | 0 | - | 4.47 | 94,491 |
| History by Letter - W | 0 | - | 4.45 | 109,669 |
| History by Letter - M | 0 | - | 4.54 | 119,985 |
| History by Letter - K | 0 | - | 4.50 | 101,479 |
| History by Letter - L | 0 | - | 4.50 | 112,223 |
| History by Letter - I | 0 | - | 4.46 | 104,396 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,292 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,814 |
| Authors of Children's Books | 0 | - | 4.23 | 19,999 |
| Books by City | 0 | - | 4.04 | 14,263 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,557 |
| Dewey Decimal System | 0 | - | 4.28 | 13,587 |
| Authors by Country | 0 | - | 4.40 | 32,185 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,577 |
| 1984 the Book | 0 | - | 4.61 | 21,032 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,618 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,483 |
| Countries by Military Spending | 0 | - | 4.93 | 177,689 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,771 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,110 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,316,242 |
| Animals that Start with L | 0 | - | 4.47 | 101,894 |
| Animals that Start with P | 0 | - | 4.45 | 86,123 |
| Animals that Start with S | 0 | - | 4.49 | 87,336 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,437 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,528 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,123 |
| Islands A-Z | 0 | - | 4.46 | 124,388 |
| Human Body A-Z | 0 | - | 4.51 | 129,160 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,545 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,600 |
| Africa A-Z | 0 | - | 4.57 | 46,599 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,288 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,032 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,115 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,194 |
| Books by Clue #2 | 0 | - | 4.43 | 26,684 |
| Disney A-Z | 0 | - | 4.37 | 87,091 |
| Companies A-Z | 0 | - | 4.30 | 42,697 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,627 |
| Geography by Letter - G | 0 | - | 4.33 | 126,382 |
| Geography by Letter - F | 0 | - | 4.27 | 137,937 |
| Geography by Letter - J | 0 | - | 4.34 | 122,999 |
| Geography by Letter - O | 0 | - | 4.37 | 129,839 |
| Geography by Letter - V | 0 | - | 4.39 | 121,841 |
| Geography by Letter - W | 0 | - | 4.39 | 114,919 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,604 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,714 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,549 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,261 |
| Video Games A-Z | 0 | - | 4.08 | 38,986 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,254 |
| Movies that Start with A | 0 | - | 4.13 | 61,879 |
| Movies that Start with C | 0 | - | 4.30 | 61,853 |
| Movies that Start with B | 0 | - | 4.36 | 85,228 |
| Movies that Start with D | 0 | - | 4.34 | 68,442 |
| Movies that Start with E | 0 | - | 4.13 | 68,378 |
| Movies that Start with J | 0 | - | 4.18 | 76,168 |
| Movies that Start with L | 0 | - | 4.16 | 60,435 |
| Movies that Start with M | 0 | - | 4.28 | 48,237 |
| Movies that Start with N | 0 | - | 4.02 | 41,259 |
| Movies that Start with P | 0 | - | 4.25 | 54,157 |
| Movies that Start with R | 0 | - | 4.17 | 46,652 |
| Movies that Start with W | 0 | - | 4.07 | 44,271 |
| Movies that Start with T | 0 | - | 4.34 | 49,306 |
| Movies that Start with S | 0 | - | 4.35 | 56,473 |
| Movies that Start with F | 0 | - | 4.13 | 68,859 |
| History by Letter - D | 0 | - | 4.40 | 137,935 |
| History by Letter - F | 0 | - | 4.18 | 114,569 |
| History by Letter - O | 0 | - | 4.32 | 99,622 |
| History by Letter - P | 0 | - | 4.36 | 107,964 |
| History by Letter - Q | 0 | - | 4.34 | 80,427 |
| History by Letter - R | 0 | - | 4.26 | 122,323 |
| History by Letter - T | 0 | - | 4.39 | 105,391 |
| History by Letter - U | 0 | - | 4.19 | 100,903 |
| History by Letter - V | 0 | - | 4.27 | 80,860 |
| History by Letter - Y | 0 | - | 4.27 | 87,380 |
| History by Letter - Z | 0 | - | 4.20 | 77,146 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,243 |
| Music by Letter - F | 0 | - | 4.48 | 26,999 |
| Music by Letter - A | 0 | - | 4.61 | 31,385 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,981 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,534 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,652 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,145 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,602 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,869 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,733 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,795 |
| Bestselling Authors | 0 | - | 4.10 | 18,906 |
| Characters from Books #2 | 0 | - | 4.42 | 79,889 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,453 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,139 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,135 |
| Middle East A-Z | 0 | - | 4.47 | 46,012 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,360 |
| 20th Century A-Z | 0 | - | 4.50 | 53,720 |
| 19th Century A-Z | 0 | - | 4.77 | 47,286 |
| 18th Century A-Z | 0 | - | 4.54 | 43,169 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,455 |
| Books by Clue #1 | 0 | - | 4.36 | 25,778 |
| Literary Groups of Things | 0 | - | 4.26 | 30,635 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,819 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,376 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,292 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,277 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,827 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,378 |
| Star Wars A-Z | 0 | - | 4.46 | 88,218 |
| Monarchies of the World | 0 | - | 4.94 | 168,588 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,563 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,792 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,322 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,111 |
| Astronomy Quiz | 0 | - | 4.90 | 82,568 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,810 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,688 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,364 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,459 |
