| Geography by Letter - T | 0 | - | 4.84 | 154,279 |
| Formula One World Champions | 0 | - | 4.96 | 391,304 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 138,751 |
| Formula One Countries Visited | 0 | - | 4.96 | 143,961 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 101,325 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,423 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,191 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,723 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,966 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,476 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,677 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,197 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,684 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,059 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 1,002,477 |
| NATO Military Alphabet | 0 | - | 4.98 | 561,061 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,560 |
| Footballers by Country | 0 | - | 4.35 | 573,134 |
| Countries by Military Spending | 0 | - | 4.93 | 178,278 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,210 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,044 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,031 |
| Geography by Letter - A | 0 | - | 4.74 | 211,987 |
| Geography by Letter - B | 0 | - | 4.56 | 184,981 |
| Geography by Letter - H | 0 | - | 4.69 | 150,622 |
| Geography by Letter - C | 0 | - | 4.47 | 159,014 |
| Geography by Letter - D | 0 | - | 4.50 | 150,829 |
| Geography by Letter - E | 0 | - | 4.42 | 147,891 |
| Geography by Letter - I | 0 | - | 4.42 | 122,246 |
| Geography by Letter - K | 0 | - | 4.53 | 118,603 |
| Geography by Letter - L | 0 | - | 4.43 | 148,790 |
| Geography by Letter - M | 0 | - | 4.49 | 118,870 |
| Geography by Letter - N | 0 | - | 4.51 | 127,435 |
| Geography by Letter - P | 0 | - | 4.47 | 176,320 |
| Geography by Letter - R | 0 | - | 4.43 | 131,983 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,855 |
| Geography by Letter - U | 0 | - | 4.53 | 143,388 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,203 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,396 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,972 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,395 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,652 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,397 |
| Movies that Start with G | 0 | - | 4.49 | 68,604 |
| Movies that Start with I | 0 | - | 4.41 | 65,222 |
| History by Letter - A | 0 | - | 4.51 | 153,363 |
| History by Letter - B | 0 | - | 4.45 | 172,673 |
| History by Letter - C | 0 | - | 4.70 | 171,949 |
| History by Letter - E | 0 | - | 4.51 | 140,984 |
| History by Letter - G | 0 | - | 4.46 | 122,461 |
| History by Letter - H | 0 | - | 4.45 | 137,064 |
| History by Letter - J | 0 | - | 4.51 | 154,445 |
| History by Letter - N | 0 | - | 4.45 | 104,330 |
| History by Letter - S | 0 | - | 4.47 | 94,624 |
| History by Letter - W | 0 | - | 4.45 | 109,820 |
| History by Letter - M | 0 | - | 4.54 | 120,142 |
| History by Letter - K | 0 | - | 4.50 | 101,622 |
| History by Letter - L | 0 | - | 4.50 | 112,384 |
| History by Letter - I | 0 | - | 4.46 | 104,655 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,567 |
| American Football A-Z | 0 | - | 4.26 | 14,532 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,116 |
| Most Popular High School Sports (U.S.) | 0 | - | 4.69 | 144,325 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 891,191 |
| Formula One Constructors' Champions | 0 | - | 4.65 | 107,486 |
| Every Formula 1 Constructor EVER | 0 | - | 4.57 | 76,365 |
| Formula 1 Drivers With 100 Grand Prix Starts | 0 | - | 4.67 | 62,594 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 336,142 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 462,843 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,318,891 |
| Animals that Start with L | 0 | - | 4.47 | 102,195 |
| Animals that Start with P | 0 | - | 4.45 | 86,216 |
| Animals that Start with S | 0 | - | 4.49 | 87,435 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,593 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 117,754 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,372 |
| Islands A-Z | 0 | - | 4.46 | 125,446 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,240 |
| Human Body A-Z | 0 | - | 4.51 | 129,319 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 41,376 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,703 |
| Africa A-Z | 0 | - | 4.57 | 46,655 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,136 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,182 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,235 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,609 |
| ESPN Top 100 Athletes of the 20th Century | 0 | - | 3.74 | 40,804 |
| Men's Tennis Superlatives | 0 | - | 4.58 | 18,936 |
| FIFA World Cup Host Countries | 0 | - | 4.97 | 239,445 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,511 |
| Disney A-Z | 0 | - | 4.37 | 87,226 |
| Literature by Letter - A | 0 | - | 4.24 | 32,190 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,323 |
| Companies A-Z | 0 | - | 4.30 | 42,721 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,220 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,658 |
| Geography by Letter - G | 0 | - | 4.33 | 126,537 |
| Geography by Letter - F | 0 | - | 4.27 | 138,097 |
| Geography by Letter - J | 0 | - | 4.34 | 123,160 |
| Geography by Letter - O | 0 | - | 4.37 | 129,986 |
| Geography by Letter - V | 0 | - | 4.39 | 122,016 |
| Geography by Letter - W | 0 | - | 4.39 | 115,048 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,752 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,806 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,669 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,300 |
| Video Games A-Z | 0 | - | 4.08 | 39,053 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,301 |
| Movies that Start with A | 0 | - | 4.13 | 61,933 |
| Movies that Start with C | 0 | - | 4.30 | 61,925 |
| Movies that Start with B | 0 | - | 4.36 | 85,295 |
| Movies that Start with D | 0 | - | 4.34 | 68,492 |
| Movies that Start with E | 0 | - | 4.13 | 68,426 |
| Movies that Start with J | 0 | - | 4.18 | 76,232 |
| Movies that Start with L | 0 | - | 4.16 | 60,471 |
| Movies that Start with M | 0 | - | 4.28 | 48,275 |
| Movies that Start with N | 0 | - | 4.02 | 41,292 |
| Movies that Start with P | 0 | - | 4.25 | 54,188 |
| Movies that Start with R | 0 | - | 4.17 | 46,689 |
| Movies that Start with W | 0 | - | 4.07 | 44,286 |
| Movies that Start with T | 0 | - | 4.34 | 49,348 |
| Movies that Start with S | 0 | - | 4.35 | 56,516 |
| Movies that Start with F | 0 | - | 4.13 | 68,918 |
| History by Letter - D | 0 | - | 4.40 | 138,109 |
| History by Letter - F | 0 | - | 4.18 | 114,719 |
| History by Letter - O | 0 | - | 4.32 | 99,737 |
| History by Letter - P | 0 | - | 4.36 | 108,083 |
| History by Letter - Q | 0 | - | 4.34 | 80,511 |
| History by Letter - R | 0 | - | 4.26 | 122,449 |
| History by Letter - T | 0 | - | 4.39 | 105,499 |
| History by Letter - U | 0 | - | 4.19 | 101,017 |
| History by Letter - V | 0 | - | 4.27 | 80,944 |
| History by Letter - Y | 0 | - | 4.27 | 87,464 |
| History by Letter - Z | 0 | - | 4.20 | 77,212 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,281 |
| Music by Letter - F | 0 | - | 4.48 | 27,040 |
| Music by Letter - A | 0 | - | 4.61 | 31,425 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,293,471 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,582,638 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 653,370 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,243,202 |
| All-NBA First Team Players | 0 | - | 4.83 | 542,381 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.80 | 803,196 |
| Middle East A-Z | 0 | - | 4.47 | 46,115 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,409 |
| 20th Century A-Z | 0 | - | 4.50 | 53,810 |
| 19th Century A-Z | 0 | - | 4.77 | 47,342 |
| 18th Century A-Z | 0 | - | 4.54 | 43,221 |
| Sports by Athlete | 0 | - | 3.74 | 333,032 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,141 |
| Basketball A-Z | 0 | - | 3.87 | 22,712 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,524 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,480 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,393 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,486 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,362 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 68,048 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,848 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,416 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 60,338 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,194 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,777 |
| Animals that Start with A | 0 | - | 4.26 | 112,181 |
| Animals that Start with B | 0 | - | 4.31 | 113,889 |
| Animals that Start with C | 0 | - | 4.21 | 93,314 |
| Animals that Start with D | 0 | - | 4.25 | 87,058 |
| Animals that Start with E | 0 | - | 4.28 | 73,990 |
| Animals that Start with F | 0 | - | 4.28 | 107,214 |
| Animals that Start with G | 0 | - | 4.25 | 80,223 |
| Animals that Start with K | 0 | - | 4.07 | 66,605 |
| Animals that Start with M | 0 | - | 4.23 | 84,103 |
| Animals that Start with R | 0 | - | 4.28 | 87,472 |
| Animals that Start with T | 0 | - | 4.32 | 91,538 |
| Animals that Start with H | 0 | - | 4.31 | 86,410 |
| Animals that Start with O | 0 | - | 4.27 | 88,650 |
| Animals that Start with W | 0 | - | 4.36 | 47,217 |
| Geography by Letter on the World Map - D | 0 | - | 4.03 | 65,074 |
| Geography by Letter on the World Map - E | 0 | - | 4.37 | 67,244 |
| Locations by Letter - A | 0 | - | 4.11 | 51,501 |
| Locations by Letter - B | 0 | - | 4.15 | 48,777 |
| Locations by Letter - E | 0 | - | 4.26 | 56,622 |
| Locations by Letter - F | 0 | - | 4.02 | 48,777 |
| Locations by Letter - H | 0 | - | 4.07 | 38,364 |
| Locations by Letter - J | 0 | - | 4.12 | 58,564 |
| Locations by Letter - K | 0 | - | 4.06 | 36,518 |
| Locations by Letter - O | 0 | - | 4.05 | 34,761 |
| Locations by Letter - P | 0 | - | 4.11 | 38,094 |
| Locations by Letter - R | 0 | - | 4.02 | 40,102 |
| Locations by Letter - T | 0 | - | 4.11 | 41,215 |
| Locations by Letter - U | 0 | - | 4.11 | 44,955 |
| Locations by Letter - V | 0 | - | 4.34 | 48,424 |
| Locations by Letter - W | 0 | - | 4.08 | 39,573 |
| Locations by Letter - N | 0 | - | 4.28 | 46,218 |
| Double Letters A-Z | 0 | - | 4.51 | 27,171 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,417 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,988 |
| Alliteration by Letter - F | 0 | - | 4.13 | 34,130 |
| Alliteration by Letter - P | 0 | - | 4.09 | 39,535 |
| Alliteration by Letter - S | 0 | - | 4.27 | 32,786 |
| Alliteration by Letter - W | 0 | - | 4.30 | 37,016 |
