| 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 | 169,308 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,577 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,257 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,266 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 72,063 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,582 |
| 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 | 37,166 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,299 |
| Geography by Letter - T | 0 | - | 4.84 | 152,174 |
| 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 |
| World Cities A-Z by Clue #1 | 0 | - | 4.61 | 64,648 |
| Islands A-Z | 0 | - | 4.46 | 116,650 |
| World Cities A-Z by Clue #2 | 0 | - | 4.43 | 56,346 |
| Human Body A-Z | 0 | - | 4.51 | 128,188 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,336 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,752 |
| Video Games A-Z | 0 | - | 4.08 | 38,647 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,049 |
| 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 | 54,765 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,927 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,154 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,784 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,119 |
| 20th Century A-Z | 0 | - | 4.50 | 53,120 |
| 19th Century A-Z | 0 | - | 4.77 | 46,701 |
| 18th Century A-Z | 0 | - | 4.54 | 42,614 |
| U.S. Ivy League Colleges | 0 | - | 4.06 | 83,614 |
| Double Letters A-Z | 0 | - | 4.51 | 27,055 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,019 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,572 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,777 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,930 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,748 |
| Canada A-Z | 0 | - | 4.73 | 32,627 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,471 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,358 |
| Geography by Letter - A | 0 | - | 4.74 | 209,916 |
| 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 | 157,405 |
| 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 | 121,084 |
| Geography by Letter - K | 0 | - | 4.53 | 117,218 |
| Geography by Letter - L | 0 | - | 4.43 | 147,487 |
| Geography by Letter - M | 0 | - | 4.49 | 117,501 |
| Geography by Letter - N | 0 | - | 4.51 | 126,119 |
| Geography by Letter - P | 0 | - | 4.47 | 175,008 |
| 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 | 141,910 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,941 |
| 16th Century A-Z | 0 | - | 4.58 | 24,354 |
| 15th Century A-Z | 0 | - | 4.49 | 23,372 |
| 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 | 64,852 |
| History by Letter - A | 0 | - | 4.51 | 151,992 |
| History by Letter - B | 0 | - | 4.45 | 171,134 |
| History by Letter - C | 0 | - | 4.69 | 170,145 |
| History by Letter - E | 0 | - | 4.51 | 139,729 |
| 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 | 153,124 |
| History by Letter - N | 0 | - | 4.44 | 103,315 |
| History by Letter - S | 0 | - | 4.47 | 93,592 |
| History by Letter - W | 0 | - | 4.45 | 108,646 |
| 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 | 111,429 |
| 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 | 61,646 |
| U.S. College Acronyms | 0 | - | 4.19 | 46,636 |
| QS World University Rankings | 0 | - | 4.05 | 51,741 |
| Which University in the U.S.? | 0 | - | 4.35 | 28,373 |
| U.S. Universities by Clue | 0 | - | 4.02 | 16,664 |
| Countries by Military Spending | 0 | - | 4.93 | 176,259 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,405 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,577 |
| American Football A-Z | 0 | - | 4.26 | 14,469 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 16,981 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,899 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,491 |
| Animals that Start with L | 0 | - | 4.47 | 101,198 |
| Animals that Start with P | 0 | - | 4.45 | 85,596 |
| Animals that Start with S | 0 | - | 4.49 | 86,762 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,542 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,490 |
| Military History A-Z | 0 | - | 4.20 | 21,028 |
| Literature by Letter - A | 0 | - | 4.23 | 31,742 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,058 |
| Geography by Letter - G | 0 | - | 4.35 | 125,356 |
| Geography by Letter - F | 0 | - | 4.27 | 136,933 |
| 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 | 120,414 |
| Geography by Letter - W | 0 | - | 4.39 | 114,071 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,540 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,917 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,775 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,097 |
| 14th Century A-Z | 0 | - | 4.40 | 23,602 |
| Movies that Start with A | 0 | - | 4.13 | 61,603 |
| Movies that Start with C | 0 | - | 4.30 | 61,538 |
| 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 | 79,925 |
| History by Letter - R | 0 | - | 4.26 | 121,572 |
| History by Letter - T | 0 | - | 4.39 | 104,703 |
| History by Letter - U | 0 | - | 4.19 | 100,164 |
| History by Letter - V | 0 | - | 4.27 | 80,304 |
| History by Letter - Y | 0 | - | 4.27 | 86,882 |
| History by Letter - Z | 0 | - | 4.18 | 76,695 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,100 |
| 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 | 60,558 |
| 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 | 56,578 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,646 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,805 |
| Middle East A-Z | 0 | - | 4.46 | 45,747 |
| 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 | 166,395 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,408 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,815 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,336 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,605 |
| Literature by Letter - D | 0 | - | 4.30 | 20,444 |
| Literature by Letter - C | 0 | - | 4.34 | 26,370 |
| Literature by Letter - F | 0 | - | 4.25 | 17,068 |
| Literature by Letter - E | 0 | - | 4.03 | 14,955 |
| Literature by Letter - H | 0 | - | 4.23 | 17,988 |
| Literature by Letter - I | 0 | - | 4.25 | 15,131 |
| Literature by Letter - L | 0 | - | 4.32 | 23,124 |
| Literature by Letter - M | 0 | - | 4.16 | 18,530 |
| Literature by Letter - P | 0 | - | 4.16 | 16,660 |
| Literature by Letter - O | 0 | - | 4.30 | 13,458 |
| Literature by Letter - J | 0 | - | 4.23 | 14,736 |
| Literature by Letter - N | 0 | - | 4.24 | 14,232 |
| Literature by Letter - K | 0 | - | 4.13 | 12,216 |
| Literature by Letter - R | 0 | - | 4.06 | 11,814 |
| Literature by Letter - T | 0 | - | 4.37 | 18,479 |
| Literature by Letter - U | 0 | - | 4.20 | 13,032 |
| Literature by Letter - V | 0 | - | 4.06 | 11,663 |
| Literature by Letter - W | 0 | - | 4.15 | 13,418 |
| Astronomy Quiz | 0 | - | 4.89 | 81,579 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,362 |
| 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 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,119 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,874 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,036 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,115 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 82,923 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,489 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,241 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 72,850 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 59,870 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,815 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,342 |
| Animals that Start with A | 0 | - | 4.26 | 111,176 |
| Animals that Start with B | 0 | - | 4.31 | 112,662 |
| Animals that Start with C | 0 | - | 4.23 | 92,158 |
| Animals that Start with D | 0 | - | 4.25 | 86,088 |
| Animals that Start with E | 0 | - | 4.28 | 73,339 |
| Animals that Start with F | 0 | - | 4.28 | 106,468 |
| Animals that Start with G | 0 | - | 4.25 | 79,632 |
| Animals that Start with K | 0 | - | 4.06 | 66,153 |
| Animals that Start with M | 0 | - | 4.24 | 83,516 |
| Animals that Start with R | 0 | - | 4.27 | 86,583 |
