| Southernmost Countries A-Z | 0 | - | 4.94 | 152,756 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,976 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,410 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,787 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,419 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,410 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,176 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,806 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,854 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,076 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,691 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,190 |
| Empires A-Z | 0 | - | 4.51 | 44,836 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,339 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,103 |
| Geography by Letter - T | 0 | - | 4.84 | 152,466 |
| Corporate Partnerships | 0 | - | 4.56 | 36,798 |
| Disney A-Z | 0 | - | 4.37 | 86,538 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,488 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,817 |
| World Cities A-Z by Clue #1 | 0 | - | 4.49 | 66,129 |
| Islands A-Z | 0 | - | 4.46 | 116,789 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 57,602 |
| Human Body A-Z | 0 | - | 4.51 | 128,441 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,321 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,824 |
| Video Games A-Z | 0 | - | 4.08 | 38,705 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,081 |
| Africa A-Z | 0 | - | 4.57 | 46,382 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,054 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,615 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,828 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,966 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,293 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,936 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,156 |
| 20th Century A-Z | 0 | - | 4.50 | 53,173 |
| 19th Century A-Z | 0 | - | 4.77 | 46,745 |
| 18th Century A-Z | 0 | - | 4.54 | 42,651 |
| Most Valuable Tech Companies | 0 | - | 4.15 | 31,688 |
| Double Letters A-Z | 0 | - | 4.51 | 27,073 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,055 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,895 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,805 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,956 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,766 |
| Canada A-Z | 0 | - | 4.73 | 32,653 |
| Dow Jones 30 Companies | 0 | - | 4.56 | 33,004 |
| Top Arms Importing Countries | 0 | - | 4.69 | 60,923 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,410 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,983 |
| Geography by Letter - A | 0 | - | 4.74 | 210,146 |
| Geography by Letter - B | 0 | - | 4.56 | 183,306 |
| Geography by Letter - H | 0 | - | 4.69 | 149,313 |
| Geography by Letter - C | 0 | - | 4.47 | 157,594 |
| Geography by Letter - D | 0 | - | 4.50 | 149,526 |
| Geography by Letter - E | 0 | - | 4.42 | 146,679 |
| Geography by Letter - I | 0 | - | 4.42 | 121,228 |
| Geography by Letter - K | 0 | - | 4.53 | 117,358 |
| Geography by Letter - L | 0 | - | 4.43 | 147,650 |
| Geography by Letter - M | 0 | - | 4.49 | 117,659 |
| Geography by Letter - N | 0 | - | 4.51 | 126,267 |
| Geography by Letter - P | 0 | - | 4.47 | 175,182 |
| Geography by Letter - R | 0 | - | 4.43 | 130,378 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,644 |
| Geography by Letter - U | 0 | - | 4.54 | 142,102 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,984 |
| 16th Century A-Z | 0 | - | 4.58 | 24,384 |
| 15th Century A-Z | 0 | - | 4.49 | 23,399 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,919 |
| Movies that Start with G | 0 | - | 4.48 | 68,249 |
| Movies that Start with I | 0 | - | 4.41 | 64,897 |
| History by Letter - A | 0 | - | 4.51 | 152,136 |
| History by Letter - B | 0 | - | 4.45 | 171,284 |
| History by Letter - C | 0 | - | 4.69 | 170,350 |
| History by Letter - E | 0 | - | 4.51 | 139,872 |
| History by Letter - G | 0 | - | 4.45 | 121,467 |
| History by Letter - H | 0 | - | 4.45 | 135,890 |
| History by Letter - J | 0 | - | 4.51 | 153,265 |
| History by Letter - N | 0 | - | 4.44 | 103,401 |
| History by Letter - S | 0 | - | 4.47 | 93,688 |
| History by Letter - W | 0 | - | 4.45 | 108,753 |
| History by Letter - M | 0 | - | 4.54 | 119,114 |
| History by Letter - K | 0 | - | 4.50 | 100,837 |
| History by Letter - L | 0 | - | 4.49 | 111,520 |
| History by Letter - I | 0 | - | 4.46 | 103,695 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,291 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,215 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,793 |
| Fortune 100 Companies | 0 | - | 4.20 | 55,526 |
| Mostly-American Corporate CEOs | 0 | - | 4.16 | 15,650 |
| World's Most Valuable Companies | 0 | - | 4.29 | 79,604 |
| Countries by Military Spending | 0 | - | 4.93 | 176,430 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,528 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,722 |
| American Football A-Z | 0 | - | 4.26 | 14,475 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 16,997 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,925 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,270 |
| Animals that Start with L | 0 | - | 4.47 | 101,299 |
| Animals that Start with P | 0 | - | 4.45 | 85,681 |
| Animals that Start with S | 0 | - | 4.49 | 86,863 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,651 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,629 |
| Corporate Scandals | 0 | - | 4.42 | 27,985 |
| Military History A-Z | 0 | - | 4.20 | 21,041 |
| Literature by Letter - A | 0 | - | 4.23 | 31,766 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,070 |
| Geography by Letter - G | 0 | - | 4.35 | 125,498 |
| Geography by Letter - F | 0 | - | 4.27 | 137,075 |
| Geography by Letter - J | 0 | - | 4.34 | 122,184 |
| Geography by Letter - O | 0 | - | 4.37 | 129,012 |
| Geography by Letter - V | 0 | - | 4.39 | 120,916 |
| Geography by Letter - W | 0 | - | 4.39 | 114,215 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,685 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,053 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,896 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,114 |
| 14th Century A-Z | 0 | - | 4.41 | 23,749 |
| Movies that Start with A | 0 | - | 4.13 | 61,643 |
| Movies that Start with C | 0 | - | 4.30 | 61,584 |
| Movies that Start with B | 0 | - | 4.35 | 84,920 |
| Movies that Start with D | 0 | - | 4.34 | 68,224 |
| Movies that Start with E | 0 | - | 4.13 | 68,171 |
| Movies that Start with J | 0 | - | 4.18 | 75,923 |
| Movies that Start with L | 0 | - | 4.16 | 60,226 |
| Movies that Start with M | 0 | - | 4.28 | 48,063 |
| Movies that Start with N | 0 | - | 4.02 | 41,106 |
| Movies that Start with P | 0 | - | 4.25 | 54,002 |
| Movies that Start with R | 0 | - | 4.17 | 46,445 |
| Movies that Start with W | 0 | - | 4.07 | 44,134 |
| Movies that Start with T | 0 | - | 4.33 | 49,117 |
| Movies that Start with S | 0 | - | 4.35 | 56,269 |
| Movies that Start with F | 0 | - | 4.13 | 68,642 |
| History by Letter - D | 0 | - | 4.39 | 136,899 |
| History by Letter - F | 0 | - | 4.18 | 113,703 |
| History by Letter - O | 0 | - | 4.31 | 99,065 |
| History by Letter - P | 0 | - | 4.38 | 107,359 |
| History by Letter - Q | 0 | - | 4.34 | 79,985 |
| History by Letter - R | 0 | - | 4.26 | 121,671 |
| History by Letter - T | 0 | - | 4.39 | 104,889 |
| History by Letter - U | 0 | - | 4.19 | 100,261 |
| History by Letter - V | 0 | - | 4.27 | 80,378 |
| History by Letter - Y | 0 | - | 4.27 | 86,936 |
| History by Letter - Z | 0 | - | 4.18 | 76,747 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,120 |
| Music by Letter - F | 0 | - | 4.48 | 26,833 |
| Music by Letter - A | 0 | - | 4.61 | 31,197 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,696 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,032 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,210 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,743 |
| Financial Abbreviations | 0 | - | 4.17 | 21,390 |
| Technology Giants #2 - Apple | 0 | - | 4.11 | 20,608 |
| Technology Giants #5 - Microsoft | 0 | - | 4.31 | 21,711 |
| Technology Giants #4 - Amazon | 0 | - | 4.37 | 19,389 |
| Trillion Dollar U.S. Companies | 0 | - | 4.56 | 117,745 |
| U.S. Corporate Acquisitions | 0 | - | 4.07 | 20,155 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,835 |
| Middle East A-Z | 0 | - | 4.47 | 45,796 |
| Stock Symbols | 0 | - | 4.39 | 27,339 |
| Star Wars A-Z | 0 | - | 4.46 | 87,194 |
| Monarchies of the World | 0 | - | 4.94 | 166,671 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,578 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,966 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,485 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,674 |
| Literature by Letter - D | 0 | - | 4.30 | 20,465 |
| Literature by Letter - C | 0 | - | 4.34 | 26,391 |
| Literature by Letter - F | 0 | - | 4.26 | 17,087 |
| Literature by Letter - E | 0 | - | 4.03 | 14,973 |
| Literature by Letter - H | 0 | - | 4.23 | 18,008 |
| Literature by Letter - I | 0 | - | 4.25 | 15,149 |
| Literature by Letter - L | 0 | - | 4.32 | 23,144 |
| Literature by Letter - M | 0 | - | 4.18 | 18,546 |
| Literature by Letter - P | 0 | - | 4.18 | 16,674 |
| Literature by Letter - O | 0 | - | 4.30 | 13,470 |
| Literature by Letter - J | 0 | - | 4.23 | 14,748 |
| Literature by Letter - N | 0 | - | 4.24 | 14,240 |
| Literature by Letter - K | 0 | - | 4.13 | 12,230 |
| Literature by Letter - R | 0 | - | 4.06 | 11,826 |
| Literature by Letter - T | 0 | - | 4.37 | 18,493 |
| Literature by Letter - U | 0 | - | 4.20 | 13,044 |
| Literature by Letter - V | 0 | - | 4.06 | 11,679 |
| Literature by Letter - W | 0 | - | 4.15 | 13,433 |
| Astronomy Quiz | 0 | - | 4.90 | 81,741 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,435 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,187 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,760 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,180 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,969 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,078 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,157 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 82,993 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,553 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,336 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 72,938 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 59,935 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,871 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,404 |
