| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,405 |
| Literature by Letter - A | 0 | - | 4.23 | 31,741 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,058 |
| Literature by Letter - D | 0 | - | 4.30 | 20,443 |
| Literature by Letter - C | 0 | - | 4.34 | 26,369 |
| Literature by Letter - F | 0 | - | 4.25 | 17,067 |
| Literature by Letter - E | 0 | - | 4.03 | 14,954 |
| Literature by Letter - H | 0 | - | 4.23 | 17,987 |
| Literature by Letter - I | 0 | - | 4.25 | 15,130 |
| Literature by Letter - L | 0 | - | 4.32 | 23,123 |
| Literature by Letter - M | 0 | - | 4.16 | 18,528 |
| Literature by Letter - P | 0 | - | 4.16 | 16,659 |
| Literature by Letter - O | 0 | - | 4.30 | 13,457 |
| Literature by Letter - J | 0 | - | 4.23 | 14,735 |
| Literature by Letter - N | 0 | - | 4.24 | 14,231 |
| Literature by Letter - K | 0 | - | 4.13 | 12,215 |
| Literature by Letter - R | 0 | - | 4.06 | 11,813 |
| Literature by Letter - T | 0 | - | 4.37 | 18,478 |
| Literature by Letter - U | 0 | - | 4.20 | 13,031 |
| Literature by Letter - V | 0 | - | 4.06 | 11,662 |
| Literature by Letter - W | 0 | - | 4.15 | 13,417 |
| Geography by Letter - T | 0 | - | 4.84 | 152,173 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,566 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,150 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,783 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,644 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,781 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,307 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,576 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,255 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,265 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 72,062 |
| Famous Literary Characters | 0 | - | 4.38 | 36,250 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,130 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,547 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,310 |
| Books by Plot Description | 0 | - | 4.54 | 26,318 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,059 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,710 |
| 100 Books You Can't Do Without | 0 | - | 4.46 | 61,533 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 102,936 |
| Literature by Letter - S | 0 | - | 3.94 | 11,813 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,570 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,581 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,577 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,954 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,464 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,348 |
| Geography by Letter - A | 0 | - | 4.74 | 209,915 |
| Geography by Letter - B | 0 | - | 4.56 | 183,089 |
| Geography by Letter - H | 0 | - | 4.69 | 149,146 |
| Geography by Letter - C | 0 | - | 4.47 | 157,403 |
| Geography by Letter - D | 0 | - | 4.50 | 149,350 |
| Geography by Letter - E | 0 | - | 4.42 | 146,523 |
| Geography by Letter - I | 0 | - | 4.42 | 121,083 |
| Geography by Letter - K | 0 | - | 4.53 | 117,216 |
| Geography by Letter - L | 0 | - | 4.43 | 147,487 |
| Geography by Letter - M | 0 | - | 4.49 | 117,500 |
| Geography by Letter - N | 0 | - | 4.51 | 126,118 |
| Geography by Letter - P | 0 | - | 4.47 | 175,007 |
| Geography by Letter - R | 0 | - | 4.43 | 130,158 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,233 |
| Geography by Letter - U | 0 | - | 4.54 | 141,907 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,941 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,974 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,660 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,165 |
| Empires A-Z | 0 | - | 4.51 | 44,762 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,298 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,838 |
| Movies that Start with G | 0 | - | 4.48 | 68,213 |
| Movies that Start with I | 0 | - | 4.41 | 64,851 |
| History by Letter - A | 0 | - | 4.51 | 151,990 |
| History by Letter - B | 0 | - | 4.45 | 171,132 |
| History by Letter - C | 0 | - | 4.69 | 170,144 |
| History by Letter - E | 0 | - | 4.51 | 139,728 |
| History by Letter - G | 0 | - | 4.45 | 121,348 |
| History by Letter - H | 0 | - | 4.45 | 135,767 |
| History by Letter - J | 0 | - | 4.51 | 153,122 |
| History by Letter - N | 0 | - | 4.44 | 103,315 |
| History by Letter - S | 0 | - | 4.47 | 93,590 |
| History by Letter - W | 0 | - | 4.45 | 108,643 |
| History by Letter - M | 0 | - | 4.54 | 119,009 |
| History by Letter - K | 0 | - | 4.50 | 100,762 |
| History by Letter - L | 0 | - | 4.49 | 111,428 |
| History by Letter - I | 0 | - | 4.46 | 103,607 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,133 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,091 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,644 |
| Authors of Children's Books | 0 | - | 4.23 | 19,935 |
| Books by City | 0 | - | 4.04 | 14,184 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,414 |
| Dewey Decimal System | 0 | - | 4.28 | 13,539 |
| Authors by Country | 0 | - | 4.40 | 32,069 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,438 |
| 1984 the Book | 0 | - | 4.61 | 20,945 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,545 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,373 |
| Countries by Military Spending | 0 | - | 4.93 | 176,258 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,575 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,911 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,465 |
| Animals that Start with L | 0 | - | 4.47 | 101,196 |
| Animals that Start with P | 0 | - | 4.45 | 85,595 |
| Animals that Start with S | 0 | - | 4.49 | 86,762 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,540 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,490 |
| World Cities A-Z by Clue #1 | 0 | - | 4.61 | 64,611 |
| Islands A-Z | 0 | - | 4.46 | 116,650 |
| World Cities A-Z by Clue #2 | 0 | - | 4.43 | 56,311 |
| Human Body A-Z | 0 | - | 4.51 | 128,186 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,311 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,752 |
| Africa A-Z | 0 | - | 4.57 | 46,345 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,015 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,523 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,764 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,927 |
| Books by Clue #2 | 0 | - | 4.43 | 26,587 |
| Disney A-Z | 0 | - | 4.37 | 86,062 |
| Companies A-Z | 0 | - | 4.30 | 42,598 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,463 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,788 |
| Geography by Letter - G | 0 | - | 4.35 | 125,354 |
| Geography by Letter - F | 0 | - | 4.27 | 136,931 |
| Geography by Letter - J | 0 | - | 4.34 | 122,052 |
| Geography by Letter - O | 0 | - | 4.37 | 128,872 |
| Geography by Letter - V | 0 | - | 4.39 | 120,411 |
| Geography by Letter - W | 0 | - | 4.39 | 114,070 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,539 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,917 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,774 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,096 |
| Video Games A-Z | 0 | - | 4.08 | 38,647 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,048 |
| Movies that Start with A | 0 | - | 4.13 | 61,603 |
| Movies that Start with C | 0 | - | 4.30 | 61,537 |
| Movies that Start with B | 0 | - | 4.35 | 84,864 |
| Movies that Start with D | 0 | - | 4.34 | 68,191 |
| Movies that Start with E | 0 | - | 4.13 | 68,139 |
| Movies that Start with J | 0 | - | 4.18 | 75,884 |
| Movies that Start with L | 0 | - | 4.16 | 60,194 |
| Movies that Start with M | 0 | - | 4.28 | 48,033 |
| Movies that Start with N | 0 | - | 4.02 | 41,083 |
| Movies that Start with P | 0 | - | 4.25 | 53,968 |
| Movies that Start with R | 0 | - | 4.17 | 46,410 |
| Movies that Start with W | 0 | - | 4.07 | 44,108 |
| Movies that Start with T | 0 | - | 4.33 | 49,079 |
| Movies that Start with S | 0 | - | 4.35 | 56,232 |
| Movies that Start with F | 0 | - | 4.13 | 68,606 |
| History by Letter - D | 0 | - | 4.39 | 136,793 |
| History by Letter - F | 0 | - | 4.18 | 113,612 |
| History by Letter - O | 0 | - | 4.31 | 98,990 |
| History by Letter - P | 0 | - | 4.38 | 107,265 |
| History by Letter - Q | 0 | - | 4.34 | 79,923 |
| History by Letter - R | 0 | - | 4.26 | 121,570 |
| History by Letter - T | 0 | - | 4.39 | 104,698 |
| History by Letter - U | 0 | - | 4.19 | 100,161 |
| History by Letter - V | 0 | - | 4.27 | 80,303 |
| History by Letter - Y | 0 | - | 4.27 | 86,880 |
| History by Letter - Z | 0 | - | 4.18 | 76,691 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,099 |
| Music by Letter - F | 0 | - | 4.48 | 26,773 |
| Music by Letter - A | 0 | - | 4.61 | 31,153 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,555 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,953 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,076 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,575 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,772 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,657 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,633 |
| Bestselling Authors | 0 | - | 4.10 | 18,783 |
| Characters from Books #2 | 0 | - | 4.42 | 79,474 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,416 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,645 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,805 |
| Middle East A-Z | 0 | - | 4.46 | 45,747 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,119 |
| 20th Century A-Z | 0 | - | 4.50 | 53,118 |
| 19th Century A-Z | 0 | - | 4.77 | 46,701 |
| 18th Century A-Z | 0 | - | 4.54 | 42,614 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,386 |
| Books by Clue #1 | 0 | - | 4.36 | 25,691 |
| Literary Groups of Things | 0 | - | 4.26 | 30,523 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,585 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,210 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,222 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,815 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,643 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,002 |
| Star Wars A-Z | 0 | - | 4.46 | 87,067 |
| Monarchies of the World | 0 | - | 4.94 | 166,394 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,407 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,814 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,336 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,605 |
| Astronomy Quiz | 0 | - | 4.89 | 81,577 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,361 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,096 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,640 |
