| Southernmost Countries A-Z | 0 | - | 4.94 | 152,689 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,862 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,349 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,673 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,323 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,327 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,110 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,676 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,018 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,672 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,178 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,323 |
| Geography by Letter - T | 0 | - | 4.84 | 152,337 |
| Disney A-Z | 0 | - | 4.37 | 86,107 |
| Companies A-Z | 0 | - | 4.30 | 42,605 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,472 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,801 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,630 |
| Islands A-Z | 0 | - | 4.46 | 116,708 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 57,153 |
| Human Body A-Z | 0 | - | 4.51 | 128,304 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,973 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,786 |
| Video Games A-Z | 0 | - | 4.08 | 38,673 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,063 |
| Africa A-Z | 0 | - | 4.57 | 46,357 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,036 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,568 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,794 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,948 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,214 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,849 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,139 |
| 20th Century A-Z | 0 | - | 4.50 | 53,147 |
| 19th Century A-Z | 0 | - | 4.77 | 46,715 |
| 18th Century A-Z | 0 | - | 4.54 | 42,628 |
| U.S. Ivy League Colleges | 0 | - | 4.06 | 83,634 |
| Double Letters A-Z | 0 | - | 4.51 | 27,062 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,035 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,723 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,790 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,943 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,755 |
| Canada A-Z | 0 | - | 4.73 | 32,640 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,889 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,685 |
| Geography by Letter - A | 0 | - | 4.74 | 210,026 |
| Geography by Letter - B | 0 | - | 4.56 | 183,197 |
| Geography by Letter - H | 0 | - | 4.69 | 149,228 |
| Geography by Letter - C | 0 | - | 4.47 | 157,501 |
| Geography by Letter - D | 0 | - | 4.50 | 149,439 |
| Geography by Letter - E | 0 | - | 4.42 | 146,597 |
| Geography by Letter - I | 0 | - | 4.42 | 121,161 |
| Geography by Letter - K | 0 | - | 4.53 | 117,284 |
| Geography by Letter - L | 0 | - | 4.43 | 147,569 |
| Geography by Letter - M | 0 | - | 4.49 | 117,582 |
| Geography by Letter - N | 0 | - | 4.51 | 126,195 |
| Geography by Letter - P | 0 | - | 4.47 | 175,098 |
| Geography by Letter - R | 0 | - | 4.43 | 130,271 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,507 |
| Geography by Letter - U | 0 | - | 4.54 | 142,006 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,968 |
| 16th Century A-Z | 0 | - | 4.58 | 24,372 |
| 15th Century A-Z | 0 | - | 4.49 | 23,384 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,873 |
| Movies that Start with G | 0 | - | 4.48 | 68,233 |
| Movies that Start with I | 0 | - | 4.41 | 64,871 |
| History by Letter - A | 0 | - | 4.51 | 152,064 |
| History by Letter - B | 0 | - | 4.45 | 171,211 |
| History by Letter - C | 0 | - | 4.69 | 170,243 |
| History by Letter - E | 0 | - | 4.51 | 139,798 |
| History by Letter - G | 0 | - | 4.45 | 121,403 |
| History by Letter - H | 0 | - | 4.45 | 135,830 |
| History by Letter - J | 0 | - | 4.51 | 153,191 |
| History by Letter - N | 0 | - | 4.44 | 103,362 |
| History by Letter - S | 0 | - | 4.47 | 93,645 |
| History by Letter - W | 0 | - | 4.45 | 108,694 |
| History by Letter - M | 0 | - | 4.54 | 119,068 |
| History by Letter - K | 0 | - | 4.50 | 100,800 |
| History by Letter - L | 0 | - | 4.49 | 111,476 |
| History by Letter - I | 0 | - | 4.46 | 103,648 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,197 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,157 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,715 |
| U.S. College Acronyms | 0 | - | 4.19 | 46,648 |
| QS World University Rankings | 0 | - | 4.05 | 51,757 |
| Which University in the U.S.? | 0 | - | 4.35 | 28,402 |
| U.S. Universities by Clue | 0 | - | 4.02 | 16,674 |
| Countries by Military Spending | 0 | - | 4.93 | 176,348 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,478 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,646 |
| American Football A-Z | 0 | - | 4.26 | 14,473 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 16,989 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,913 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,293 |
| Animals that Start with L | 0 | - | 4.47 | 101,219 |
| Animals that Start with P | 0 | - | 4.45 | 85,616 |
| Animals that Start with S | 0 | - | 4.49 | 86,777 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,592 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,541 |
| Military History A-Z | 0 | - | 4.20 | 21,034 |
| Literature by Letter - A | 0 | - | 4.23 | 31,751 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,066 |
| Geography by Letter - G | 0 | - | 4.35 | 125,425 |
| Geography by Letter - F | 0 | - | 4.27 | 137,000 |
| Geography by Letter - J | 0 | - | 4.34 | 122,126 |
| Geography by Letter - O | 0 | - | 4.37 | 128,945 |
| Geography by Letter - V | 0 | - | 4.39 | 120,772 |
| Geography by Letter - W | 0 | - | 4.39 | 114,148 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,618 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,989 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,830 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,102 |
| 14th Century A-Z | 0 | - | 4.40 | 23,686 |
| Movies that Start with A | 0 | - | 4.13 | 61,626 |
| Movies that Start with C | 0 | - | 4.30 | 61,563 |
| Movies that Start with B | 0 | - | 4.35 | 84,894 |
| Movies that Start with D | 0 | - | 4.34 | 68,213 |
| Movies that Start with E | 0 | - | 4.13 | 68,159 |
| Movies that Start with J | 0 | - | 4.18 | 75,902 |
| Movies that Start with L | 0 | - | 4.16 | 60,216 |
| Movies that Start with M | 0 | - | 4.28 | 48,050 |
| Movies that Start with N | 0 | - | 4.02 | 41,098 |
| Movies that Start with P | 0 | - | 4.25 | 53,989 |
| Movies that Start with R | 0 | - | 4.17 | 46,429 |
| Movies that Start with W | 0 | - | 4.07 | 44,120 |
| Movies that Start with T | 0 | - | 4.33 | 49,098 |
| Movies that Start with S | 0 | - | 4.35 | 56,254 |
| Movies that Start with F | 0 | - | 4.13 | 68,626 |
| History by Letter - D | 0 | - | 4.39 | 136,846 |
| History by Letter - F | 0 | - | 4.18 | 113,659 |
| History by Letter - O | 0 | - | 4.31 | 99,025 |
| History by Letter - P | 0 | - | 4.38 | 107,310 |
| History by Letter - Q | 0 | - | 4.34 | 79,954 |
| History by Letter - R | 0 | - | 4.26 | 121,618 |
| History by Letter - T | 0 | - | 4.39 | 104,844 |
| History by Letter - U | 0 | - | 4.19 | 100,208 |
| History by Letter - V | 0 | - | 4.27 | 80,339 |
| History by Letter - Y | 0 | - | 4.27 | 86,916 |
| History by Letter - Z | 0 | - | 4.18 | 76,719 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,108 |
| Music by Letter - F | 0 | - | 4.48 | 26,805 |
| Music by Letter - A | 0 | - | 4.61 | 31,171 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,623 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,989 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,151 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,645 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,738 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,829 |
| Middle East A-Z | 0 | - | 4.47 | 45,772 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,048 |
| Star Wars A-Z | 0 | - | 4.46 | 87,132 |
| Monarchies of the World | 0 | - | 4.94 | 166,515 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,479 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,875 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,410 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,645 |
| 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 | 11,820 |
| Literature by Letter - T | 0 | - | 4.37 | 18,486 |
| Literature by Letter - U | 0 | - | 4.20 | 13,040 |
| Literature by Letter - V | 0 | - | 4.06 | 11,672 |
| Literature by Letter - W | 0 | - | 4.15 | 13,427 |
| Astronomy Quiz | 0 | - | 4.89 | 81,640 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,401 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,138 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,686 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,155 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,926 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,062 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,142 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 82,955 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,525 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,283 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 72,891 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 59,904 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,843 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,374 |
| Animals that Start with A | 0 | - | 4.26 | 111,200 |
| Animals that Start with B | 0 | - | 4.31 | 112,686 |
| Animals that Start with C | 0 | - | 4.23 | 92,185 |
| Animals that Start with D | 0 | - | 4.25 | 86,110 |
| Animals that Start with E | 0 | - | 4.28 | 73,360 |
| Animals that Start with F | 0 | - | 4.28 | 106,487 |
| Animals that Start with G | 0 | - | 4.25 | 79,647 |
| Animals that Start with K | 0 | - | 4.06 | 66,162 |
| Animals that Start with M | 0 | - | 4.24 | 83,536 |
| Animals that Start with R | 0 | - | 4.27 | 86,601 |
