| Southernmost Countries A-Z | 0 | - | 4.94 | 153,518 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,586 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,210 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,267 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,801 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,447 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,837 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,950 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,135 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,990 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,335 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,918 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,361 |
| Empires A-Z | 0 | - | 4.52 | 45,158 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,588 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,386 |
| Geography by Letter - T | 0 | - | 4.84 | 153,992 |
| Corporate Partnerships | 0 | - | 4.56 | 36,921 |
| Disney A-Z | 0 | - | 4.37 | 87,097 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,627 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,123 |
| Islands A-Z | 0 | - | 4.46 | 124,396 |
| Human Body A-Z | 0 | - | 4.51 | 129,160 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,547 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,600 |
| Video Games A-Z | 0 | - | 4.08 | 38,986 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,254 |
| Africa A-Z | 0 | - | 4.57 | 46,599 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,290 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,035 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,117 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,195 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,244 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,955 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,362 |
| 20th Century A-Z | 0 | - | 4.50 | 53,720 |
| 19th Century A-Z | 0 | - | 4.77 | 47,286 |
| 18th Century A-Z | 0 | - | 4.54 | 43,169 |
| Most Valuable Tech Companies | 0 | - | 4.15 | 31,864 |
| Double Letters A-Z | 0 | - | 4.51 | 27,152 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 59,039 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,370 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,045 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,955 |
| A to Z: Musical Terms #2 | 0 | - | 4.08 | 11,033 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,894 |
| Canada A-Z | 0 | - | 4.73 | 32,830 |
| Dow Jones 30 Companies | 0 | - | 4.55 | 33,115 |
| Top Arms Importing Countries | 0 | - | 4.73 | 66,320 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,861 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,391 |
| Geography by Letter - A | 0 | - | 4.74 | 211,728 |
| Geography by Letter - B | 0 | - | 4.56 | 184,748 |
| Geography by Letter - H | 0 | - | 4.69 | 150,427 |
| Geography by Letter - C | 0 | - | 4.47 | 158,823 |
| Geography by Letter - D | 0 | - | 4.50 | 150,637 |
| Geography by Letter - E | 0 | - | 4.42 | 147,720 |
| Geography by Letter - I | 0 | - | 4.42 | 122,105 |
| Geography by Letter - K | 0 | - | 4.53 | 118,447 |
| Geography by Letter - L | 0 | - | 4.43 | 148,628 |
| Geography by Letter - M | 0 | - | 4.49 | 118,736 |
| Geography by Letter - N | 0 | - | 4.51 | 127,303 |
| Geography by Letter - P | 0 | - | 4.47 | 176,142 |
| Geography by Letter - R | 0 | - | 4.43 | 131,771 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,669 |
| Geography by Letter - U | 0 | - | 4.53 | 143,206 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,165 |
| 16th Century A-Z | 0 | - | 4.58 | 24,900 |
| 15th Century A-Z | 0 | - | 4.49 | 23,925 |
| 14th Century A-Z | 0 | - | 4.41 | 24,380 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,290 |
| Movies that Start with G | 0 | - | 4.49 | 68,544 |
| Movies that Start with I | 0 | - | 4.41 | 65,164 |
| History by Letter - A | 0 | - | 4.51 | 153,159 |
| History by Letter - B | 0 | - | 4.45 | 172,447 |
| History by Letter - C | 0 | - | 4.70 | 171,710 |
| History by Letter - E | 0 | - | 4.51 | 140,799 |
| History by Letter - G | 0 | - | 4.46 | 122,283 |
| History by Letter - H | 0 | - | 4.45 | 136,893 |
| History by Letter - J | 0 | - | 4.51 | 154,218 |
| History by Letter - N | 0 | - | 4.45 | 104,196 |
| History by Letter - S | 0 | - | 4.47 | 94,492 |
| History by Letter - W | 0 | - | 4.45 | 109,669 |
| History by Letter - M | 0 | - | 4.54 | 119,986 |
| History by Letter - K | 0 | - | 4.50 | 101,480 |
| History by Letter - L | 0 | - | 4.50 | 112,225 |
| History by Letter - I | 0 | - | 4.46 | 104,403 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,298 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,820 |
| Fortune 100 Companies | 0 | - | 4.17 | 55,719 |
| Mostly-American Corporate CEOs | 0 | - | 4.16 | 15,688 |
| World's Most Valuable Companies | 0 | - | 4.30 | 80,368 |
| Countries by Military Spending | 0 | - | 4.93 | 177,690 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,090 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,772 |
| American Football A-Z | 0 | - | 4.26 | 14,519 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,099 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,039 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,316,261 |
| Animals that Start with L | 0 | - | 4.47 | 101,894 |
| Animals that Start with P | 0 | - | 4.45 | 86,123 |
| Animals that Start with S | 0 | - | 4.49 | 87,336 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,438 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,533 |
| Corporate Scandals | 0 | - | 4.42 | 28,081 |
| Military History A-Z | 0 | - | 4.20 | 21,159 |
| Literature by Letter - A | 0 | - | 4.24 | 32,111 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,276 |
| Geography by Letter - G | 0 | - | 4.33 | 126,384 |
| Geography by Letter - F | 0 | - | 4.27 | 137,941 |
| Geography by Letter - J | 0 | - | 4.34 | 123,004 |
| Geography by Letter - O | 0 | - | 4.37 | 129,840 |
| Geography by Letter - V | 0 | - | 4.39 | 121,845 |
| Geography by Letter - W | 0 | - | 4.39 | 114,919 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,604 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,714 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,551 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,262 |
| Movies that Start with A | 0 | - | 4.13 | 61,879 |
| Movies that Start with C | 0 | - | 4.30 | 61,853 |
| Movies that Start with B | 0 | - | 4.36 | 85,228 |
| Movies that Start with D | 0 | - | 4.34 | 68,442 |
| Movies that Start with E | 0 | - | 4.13 | 68,378 |
| Movies that Start with J | 0 | - | 4.18 | 76,168 |
| Movies that Start with L | 0 | - | 4.16 | 60,435 |
| Movies that Start with M | 0 | - | 4.28 | 48,237 |
| Movies that Start with N | 0 | - | 4.02 | 41,259 |
| Movies that Start with P | 0 | - | 4.25 | 54,157 |
| Movies that Start with R | 0 | - | 4.17 | 46,652 |
| Movies that Start with W | 0 | - | 4.07 | 44,271 |
| Movies that Start with T | 0 | - | 4.34 | 49,308 |
| Movies that Start with S | 0 | - | 4.35 | 56,474 |
| Movies that Start with F | 0 | - | 4.13 | 68,859 |
| History by Letter - D | 0 | - | 4.40 | 137,935 |
| History by Letter - F | 0 | - | 4.18 | 114,571 |
| History by Letter - O | 0 | - | 4.32 | 99,623 |
| History by Letter - P | 0 | - | 4.36 | 107,965 |
| History by Letter - Q | 0 | - | 4.34 | 80,427 |
| History by Letter - R | 0 | - | 4.26 | 122,323 |
| History by Letter - T | 0 | - | 4.39 | 105,393 |
| History by Letter - U | 0 | - | 4.19 | 100,904 |
| History by Letter - V | 0 | - | 4.27 | 80,860 |
| History by Letter - Y | 0 | - | 4.27 | 87,381 |
| History by Letter - Z | 0 | - | 4.20 | 77,147 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,243 |
| Music by Letter - F | 0 | - | 4.48 | 27,001 |
| Music by Letter - A | 0 | - | 4.61 | 31,385 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,982 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,535 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,653 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,145 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,602 |
| Financial Abbreviations | 0 | - | 4.19 | 21,491 |
| Technology Giants #2 - Apple | 0 | - | 4.11 | 20,763 |
| Technology Giants #5 - Microsoft | 0 | - | 4.31 | 21,884 |
| Technology Giants #4 - Amazon | 0 | - | 4.37 | 19,518 |
| Trillion Dollar U.S. Companies | 0 | - | 4.56 | 118,363 |
| U.S. Corporate Acquisitions | 0 | - | 4.07 | 20,312 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,144 |
| Middle East A-Z | 0 | - | 4.47 | 46,012 |
| South America A-Z | 0 | - | 4.13 | 10,903 |
| Stock Symbols | 0 | - | 4.39 | 27,417 |
| Star Wars A-Z | 0 | - | 4.46 | 88,221 |
| Monarchies of the World | 0 | - | 4.94 | 168,595 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,565 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,794 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,324 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,113 |
| Literature by Letter - D | 0 | - | 4.30 | 20,771 |
| Literature by Letter - C | 0 | - | 4.34 | 26,711 |
| Literature by Letter - F | 0 | - | 4.26 | 17,362 |
| Literature by Letter - E | 0 | - | 4.05 | 15,259 |
| Literature by Letter - H | 0 | - | 4.29 | 19,971 |
| Literature by Letter - I | 0 | - | 4.23 | 16,949 |
| Literature by Letter - L | 0 | - | 4.32 | 23,361 |
| Literature by Letter - M | 0 | - | 4.18 | 18,774 |
| Literature by Letter - P | 0 | - | 4.18 | 16,909 |
| Literature by Letter - O | 0 | - | 4.30 | 13,672 |
| Literature by Letter - J | 0 | - | 4.23 | 15,002 |
| Literature by Letter - N | 0 | - | 4.24 | 14,456 |
| Literature by Letter - K | 0 | - | 4.13 | 12,458 |
| Literature by Letter - R | 0 | - | 4.06 | 12,049 |
| Literature by Letter - T | 0 | - | 4.37 | 18,681 |
| Literature by Letter - U | 0 | - | 4.20 | 13,230 |
| Literature by Letter - V | 0 | - | 4.06 | 11,871 |
| Literature by Letter - W | 0 | - | 4.15 | 13,626 |
| Astronomy Quiz | 0 | - | 4.90 | 82,568 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,810 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,689 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,365 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,460 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,368 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,333 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,422 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,299 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,954 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,757 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,313 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 60,247 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,121 |
