| Southernmost Countries A-Z | 0 | - | 4.94 | 152,645 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,784 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,310 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,582 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,264 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,268 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 72,068 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,591 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,977 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,661 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,167 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,300 |
| Geography by Letter - T | 0 | - | 4.84 | 152,178 |
| Disney A-Z | 0 | - | 4.37 | 86,064 |
| Companies A-Z | 0 | - | 4.30 | 42,600 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,464 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,788 |
| World Cities A-Z by Clue #1 | 0 | - | 4.61 | 64,775 |
| Islands A-Z | 0 | - | 4.46 | 116,651 |
| World Cities A-Z by Clue #2 | 0 | - | 4.43 | 56,450 |
| Human Body A-Z | 0 | - | 4.51 | 128,190 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,408 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,754 |
| Video Games A-Z | 0 | - | 4.08 | 38,648 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,051 |
| 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 | 98,524 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,766 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,927 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,163 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,789 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,122 |
| 20th Century A-Z | 0 | - | 4.50 | 53,121 |
| 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 | 234,578 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,777 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,931 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,749 |
| Canada A-Z | 0 | - | 4.73 | 32,627 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,494 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,373 |
| Geography by Letter - A | 0 | - | 4.74 | 209,919 |
| Geography by Letter - B | 0 | - | 4.56 | 183,096 |
| Geography by Letter - H | 0 | - | 4.69 | 149,148 |
| Geography by Letter - C | 0 | - | 4.47 | 157,409 |
| Geography by Letter - D | 0 | - | 4.50 | 149,354 |
| Geography by Letter - E | 0 | - | 4.42 | 146,526 |
| Geography by Letter - I | 0 | - | 4.42 | 121,085 |
| Geography by Letter - K | 0 | - | 4.53 | 117,218 |
| Geography by Letter - L | 0 | - | 4.43 | 147,489 |
| Geography by Letter - M | 0 | - | 4.49 | 117,505 |
| Geography by Letter - N | 0 | - | 4.51 | 126,120 |
| Geography by Letter - P | 0 | - | 4.47 | 175,009 |
| Geography by Letter - R | 0 | - | 4.43 | 130,161 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,236 |
| Geography by Letter - U | 0 | - | 4.54 | 141,911 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,943 |
| 16th Century A-Z | 0 | - | 4.58 | 24,357 |
| 15th Century A-Z | 0 | - | 4.49 | 23,373 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,841 |
| Movies that Start with G | 0 | - | 4.48 | 68,214 |
| Movies that Start with I | 0 | - | 4.41 | 64,855 |
| History by Letter - A | 0 | - | 4.51 | 151,994 |
| History by Letter - B | 0 | - | 4.45 | 171,140 |
| History by Letter - C | 0 | - | 4.69 | 170,149 |
| History by Letter - E | 0 | - | 4.51 | 139,732 |
| History by Letter - G | 0 | - | 4.45 | 121,352 |
| History by Letter - H | 0 | - | 4.45 | 135,771 |
| History by Letter - J | 0 | - | 4.51 | 153,126 |
| History by Letter - N | 0 | - | 4.44 | 103,316 |
| History by Letter - S | 0 | - | 4.47 | 93,599 |
| History by Letter - W | 0 | - | 4.45 | 108,650 |
| History by Letter - M | 0 | - | 4.54 | 119,012 |
| History by Letter - K | 0 | - | 4.50 | 100,762 |
| History by Letter - L | 0 | - | 4.49 | 111,432 |
| History by Letter - I | 0 | - | 4.46 | 103,610 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,140 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,092 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,652 |
| U.S. College Acronyms | 0 | - | 4.19 | 46,637 |
| QS World University Rankings | 0 | - | 4.05 | 51,743 |
| Which University in the U.S.? | 0 | - | 4.35 | 28,375 |
| U.S. Universities by Clue | 0 | - | 4.02 | 16,664 |
| Countries by Military Spending | 0 | - | 4.93 | 176,267 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,410 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,579 |
| American Football A-Z | 0 | - | 4.26 | 14,469 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 16,983 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,899 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,535 |
| Animals that Start with L | 0 | - | 4.47 | 101,199 |
| Animals that Start with P | 0 | - | 4.45 | 85,598 |
| Animals that Start with S | 0 | - | 4.49 | 86,763 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,545 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,495 |
| Military History A-Z | 0 | - | 4.20 | 21,028 |
| Literature by Letter - A | 0 | - | 4.23 | 31,744 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,060 |
| Geography by Letter - G | 0 | - | 4.35 | 125,360 |
| Geography by Letter - F | 0 | - | 4.27 | 136,936 |
| Geography by Letter - J | 0 | - | 4.34 | 122,054 |
| Geography by Letter - O | 0 | - | 4.37 | 128,873 |
| Geography by Letter - V | 0 | - | 4.39 | 120,417 |
| Geography by Letter - W | 0 | - | 4.39 | 114,073 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,540 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,920 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,777 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,099 |
| 14th Century A-Z | 0 | - | 4.40 | 23,609 |
| Movies that Start with A | 0 | - | 4.13 | 61,604 |
| Movies that Start with C | 0 | - | 4.30 | 61,540 |
| Movies that Start with B | 0 | - | 4.35 | 84,866 |
| Movies that Start with D | 0 | - | 4.34 | 68,193 |
| Movies that Start with E | 0 | - | 4.13 | 68,141 |
| Movies that Start with J | 0 | - | 4.18 | 75,887 |
| Movies that Start with L | 0 | - | 4.16 | 60,197 |
| Movies that Start with M | 0 | - | 4.28 | 48,033 |
| Movies that Start with N | 0 | - | 4.02 | 41,084 |
| Movies that Start with P | 0 | - | 4.25 | 53,971 |
| Movies that Start with R | 0 | - | 4.17 | 46,412 |
| Movies that Start with W | 0 | - | 4.07 | 44,108 |
| Movies that Start with T | 0 | - | 4.33 | 49,080 |
| Movies that Start with S | 0 | - | 4.35 | 56,233 |
| Movies that Start with F | 0 | - | 4.13 | 68,607 |
| History by Letter - D | 0 | - | 4.39 | 136,799 |
| History by Letter - F | 0 | - | 4.18 | 113,616 |
| History by Letter - O | 0 | - | 4.31 | 98,992 |
| History by Letter - P | 0 | - | 4.38 | 107,266 |
| History by Letter - Q | 0 | - | 4.34 | 79,926 |
| History by Letter - R | 0 | - | 4.26 | 121,578 |
| History by Letter - T | 0 | - | 4.39 | 104,723 |
| History by Letter - U | 0 | - | 4.19 | 100,168 |
| History by Letter - V | 0 | - | 4.27 | 80,309 |
| History by Letter - Y | 0 | - | 4.27 | 86,885 |
| History by Letter - Z | 0 | - | 4.18 | 76,698 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,100 |
| Music by Letter - F | 0 | - | 4.48 | 26,774 |
| Music by Letter - A | 0 | - | 4.61 | 31,153 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,562 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,957 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,081 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,582 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,652 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,807 |
| Middle East A-Z | 0 | - | 4.46 | 45,747 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,003 |
| Star Wars A-Z | 0 | - | 4.46 | 87,070 |
| Monarchies of the World | 0 | - | 4.94 | 166,398 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,413 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,819 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,340 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,607 |
| Literature by Letter - D | 0 | - | 4.30 | 20,446 |
| Literature by Letter - C | 0 | - | 4.34 | 26,372 |
| Literature by Letter - F | 0 | - | 4.25 | 17,070 |
| Literature by Letter - E | 0 | - | 4.03 | 14,957 |
| Literature by Letter - H | 0 | - | 4.23 | 17,990 |
| Literature by Letter - I | 0 | - | 4.25 | 15,134 |
| Literature by Letter - L | 0 | - | 4.32 | 23,125 |
| Literature by Letter - M | 0 | - | 4.16 | 18,531 |
| Literature by Letter - P | 0 | - | 4.16 | 16,662 |
| Literature by Letter - O | 0 | - | 4.30 | 13,462 |
| Literature by Letter - J | 0 | - | 4.23 | 14,737 |
| Literature by Letter - N | 0 | - | 4.24 | 14,233 |
| Literature by Letter - K | 0 | - | 4.13 | 12,218 |
| Literature by Letter - R | 0 | - | 4.06 | 11,815 |
| Literature by Letter - T | 0 | - | 4.37 | 18,481 |
| Literature by Letter - U | 0 | - | 4.20 | 13,034 |
| Literature by Letter - V | 0 | - | 4.06 | 11,665 |
| Literature by Letter - W | 0 | - | 4.15 | 13,420 |
| Astronomy Quiz | 0 | - | 4.89 | 81,585 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,364 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,103 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,644 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,121 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,879 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,039 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,118 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 82,926 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,494 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,244 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 72,853 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 59,874 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,818 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,346 |
| Animals that Start with A | 0 | - | 4.26 | 111,177 |
| Animals that Start with B | 0 | - | 4.31 | 112,663 |
| Animals that Start with C | 0 | - | 4.23 | 92,160 |
| Animals that Start with D | 0 | - | 4.25 | 86,090 |
| Animals that Start with E | 0 | - | 4.28 | 73,340 |
| Animals that Start with F | 0 | - | 4.28 | 106,470 |
| Animals that Start with G | 0 | - | 4.25 | 79,634 |
| Animals that Start with K | 0 | - | 4.06 | 66,154 |
| Animals that Start with M | 0 | - | 4.24 | 83,517 |
| Animals that Start with R | 0 | - | 4.27 | 86,585 |
