| Southernmost Countries A-Z | 0 | - | 4.94 | 152,793 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,065 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,451 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,892 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,490 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,463 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,218 |
| Africa A-Z | 0 | - | 4.57 | 46,397 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,528 |
| Canada A-Z | 0 | - | 4.73 | 32,669 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,105 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,707 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,202 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,358 |
| Geography by Letter - T | 0 | - | 4.84 | 152,572 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 66,421 |
| Islands A-Z | 0 | - | 4.46 | 116,849 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 57,860 |
| Human Body A-Z | 0 | - | 4.51 | 128,526 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,861 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,657 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,854 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,982 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,540 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,917 |
| Disney A-Z | 0 | - | 4.37 | 86,608 |
| Companies A-Z | 0 | - | 4.30 | 42,620 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,499 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,837 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,346 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,011 |
| Video Games A-Z | 0 | - | 4.08 | 38,728 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,090 |
| Middle East A-Z | 0 | - | 4.47 | 45,823 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,173 |
| 20th Century A-Z | 0 | - | 4.50 | 53,197 |
| 19th Century A-Z | 0 | - | 4.77 | 46,759 |
| 18th Century A-Z | 0 | - | 4.54 | 42,666 |
| Double Letters A-Z | 0 | - | 4.51 | 27,082 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,071 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,053 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,818 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,962 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,773 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,942 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,464 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,640 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,819 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,319 |
| Geography by Letter - A | 0 | - | 4.74 | 210,250 |
| Geography by Letter - B | 0 | - | 4.56 | 183,399 |
| Geography by Letter - H | 0 | - | 4.69 | 149,370 |
| Geography by Letter - C | 0 | - | 4.47 | 157,674 |
| Geography by Letter - D | 0 | - | 4.50 | 149,598 |
| Geography by Letter - E | 0 | - | 4.42 | 146,744 |
| Geography by Letter - I | 0 | - | 4.42 | 121,278 |
| Geography by Letter - K | 0 | - | 4.53 | 117,408 |
| Geography by Letter - L | 0 | - | 4.43 | 147,702 |
| Geography by Letter - M | 0 | - | 4.49 | 117,717 |
| Geography by Letter - N | 0 | - | 4.51 | 126,330 |
| Geography by Letter - P | 0 | - | 4.47 | 175,254 |
| Geography by Letter - R | 0 | - | 4.43 | 130,462 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,701 |
| Geography by Letter - U | 0 | - | 4.54 | 142,183 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,997 |
| 16th Century A-Z | 0 | - | 4.58 | 24,400 |
| 15th Century A-Z | 0 | - | 4.49 | 23,409 |
| 14th Century A-Z | 0 | - | 4.41 | 23,784 |
| Movies that Start with G | 0 | - | 4.48 | 68,273 |
| Movies that Start with I | 0 | - | 4.41 | 64,916 |
| History by Letter - A | 0 | - | 4.51 | 152,190 |
| History by Letter - B | 0 | - | 4.45 | 171,351 |
| History by Letter - C | 0 | - | 4.70 | 170,423 |
| History by Letter - E | 0 | - | 4.51 | 139,924 |
| History by Letter - G | 0 | - | 4.45 | 121,517 |
| History by Letter - H | 0 | - | 4.45 | 135,947 |
| History by Letter - J | 0 | - | 4.51 | 153,317 |
| History by Letter - N | 0 | - | 4.44 | 103,444 |
| History by Letter - S | 0 | - | 4.47 | 93,727 |
| History by Letter - W | 0 | - | 4.45 | 108,803 |
| History by Letter - M | 0 | - | 4.54 | 119,155 |
| History by Letter - K | 0 | - | 4.50 | 100,875 |
| History by Letter - L | 0 | - | 4.49 | 111,560 |
| History by Letter - I | 0 | - | 4.46 | 103,738 |
| Switzerland A-Z | 0 | - | 4.45 | 25,523 |
| American Football A-Z | 0 | - | 4.26 | 14,478 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,011 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,934 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,690 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,269 |
| Countries by Military Spending | 0 | - | 4.93 | 176,525 |
| Military History A-Z | 0 | - | 4.20 | 21,050 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,112 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,568 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,802 |
| Animals that Start with L | 0 | - | 4.47 | 101,400 |
| Animals that Start with P | 0 | - | 4.45 | 85,739 |
| Animals that Start with S | 0 | - | 4.49 | 86,932 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,700 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,686 |
| Australian Capitals | 0 | - | 4.92 | 62,599 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,654 |
| Official European Union Languages | 0 | - | 4.97 | 237,084 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,872 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,498 |
| Turkey A-Z | 0 | - | 4.04 | 11,737 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,927 |
| Literature by Letter - A | 0 | - | 4.23 | 31,773 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,074 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,880 |
| Geography by Letter - G | 0 | - | 4.35 | 125,550 |
| Geography by Letter - F | 0 | - | 4.27 | 137,136 |
| Geography by Letter - J | 0 | - | 4.34 | 122,225 |
| Geography by Letter - O | 0 | - | 4.37 | 129,073 |
| Geography by Letter - V | 0 | - | 4.39 | 120,968 |
| Geography by Letter - W | 0 | - | 4.39 | 114,262 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,735 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,092 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,939 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,126 |
| Movies that Start with A | 0 | - | 4.13 | 61,658 |
| Movies that Start with C | 0 | - | 4.30 | 61,607 |
| Movies that Start with B | 0 | - | 4.35 | 84,938 |
| Movies that Start with D | 0 | - | 4.34 | 68,240 |
| Movies that Start with E | 0 | - | 4.13 | 68,185 |
| Movies that Start with J | 0 | - | 4.18 | 75,939 |
| Movies that Start with L | 0 | - | 4.16 | 60,234 |
| Movies that Start with M | 0 | - | 4.28 | 48,078 |
| Movies that Start with N | 0 | - | 4.02 | 41,118 |
| Movies that Start with P | 0 | - | 4.25 | 54,013 |
| Movies that Start with R | 0 | - | 4.17 | 46,466 |
| Movies that Start with W | 0 | - | 4.07 | 44,142 |
| Movies that Start with T | 0 | - | 4.33 | 49,130 |
| Movies that Start with S | 0 | - | 4.35 | 56,280 |
| Movies that Start with F | 0 | - | 4.13 | 68,657 |
| History by Letter - D | 0 | - | 4.39 | 136,945 |
| History by Letter - F | 0 | - | 4.18 | 113,740 |
| History by Letter - O | 0 | - | 4.31 | 99,099 |
| History by Letter - P | 0 | - | 4.38 | 107,395 |
| History by Letter - Q | 0 | - | 4.34 | 80,006 |
| History by Letter - R | 0 | - | 4.26 | 121,713 |
| History by Letter - T | 0 | - | 4.39 | 104,917 |
| History by Letter - U | 0 | - | 4.19 | 100,329 |
| History by Letter - V | 0 | - | 4.27 | 80,407 |
| History by Letter - Y | 0 | - | 4.27 | 86,964 |
| History by Letter - Z | 0 | - | 4.18 | 76,766 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,126 |
| Music by Letter - F | 0 | - | 4.48 | 26,847 |
| Music by Letter - A | 0 | - | 4.61 | 31,216 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,714 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,055 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,535 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,867 |
| Asia Map Quiz | 0 | - | 4.99 | 907,870 |
| Star Wars A-Z | 0 | - | 4.46 | 87,237 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,212 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,001 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,104 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,187 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,017 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,595 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,375 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 72,975 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 59,966 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,900 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,434 |
| Animals that Start with A | 0 | - | 4.26 | 111,492 |
| Animals that Start with B | 0 | - | 4.31 | 113,262 |
| Animals that Start with C | 0 | - | 4.23 | 92,415 |
| Animals that Start with D | 0 | - | 4.25 | 86,561 |
| Animals that Start with E | 0 | - | 4.28 | 73,535 |
| Animals that Start with F | 0 | - | 4.28 | 106,662 |
| Animals that Start with G | 0 | - | 4.25 | 79,787 |
| Animals that Start with K | 0 | - | 4.06 | 66,281 |
| Animals that Start with M | 0 | - | 4.23 | 83,654 |
| Animals that Start with R | 0 | - | 4.27 | 87,056 |
| Animals that Start with T | 0 | - | 4.32 | 90,731 |
| Animals that Start with H | 0 | - | 4.31 | 85,969 |
| Animals that Start with O | 0 | - | 4.27 | 88,290 |
| Animals that Start with W | 0 | - | 4.35 | 46,914 |
| Geography by Letter on the World Map - D | 0 | - | 4.02 | 64,427 |
| Geography by Letter on the World Map - E | 0 | - | 4.37 | 66,559 |
| Locations by Letter - A | 0 | - | 4.11 | 51,300 |
| Locations by Letter - B | 0 | - | 4.15 | 48,580 |
| Locations by Letter - E | 0 | - | 4.27 | 56,412 |
| Locations by Letter - F | 0 | - | 4.02 | 48,621 |
| Locations by Letter - H | 0 | - | 4.07 | 38,219 |
| Locations by Letter - J | 0 | - | 4.12 | 58,354 |
| Locations by Letter - K | 0 | - | 4.06 | 36,378 |
| Locations by Letter - O | 0 | - | 4.05 | 34,623 |
| Locations by Letter - P | 0 | - | 4.11 | 37,940 |
| Locations by Letter - R | 0 | - | 4.02 | 39,953 |
| Locations by Letter - T | 0 | - | 4.11 | 41,059 |
| Locations by Letter - U | 0 | - | 4.11 | 44,801 |
| Locations by Letter - V | 0 | - | 4.34 | 48,208 |
| Locations by Letter - W | 0 | - | 4.08 | 39,429 |
| Locations by Letter - N | 0 | - | 4.28 | 46,039 |
| Basketball A-Z | 0 | - | 3.87 | 22,645 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,031 |
| Mountains A-Z | 0 | - | 3.82 | 10,873 |
