| Southernmost Countries A-Z | 0 | - | 4.95 | 154,067 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,590 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,871 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,856 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,884 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,433 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,947 |
| Africa A-Z | 0 | - | 4.57 | 46,757 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,653 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,920 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,799 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,505 |
| Australian Capitals | 0 | - | 4.92 | 62,823 |
| Middle East A-Z | 0 | - | 4.47 | 46,230 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,968 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,580 |
| Canada A-Z | 0 | - | 4.73 | 32,953 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,332 |
| European Geography A-Z | 0 | - | 4.29 | 49,465 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,197 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 75,823 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,094 |
| Australia True or False | 0 | - | 4.87 | 57,122 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,969 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,821 |
| France A-Z | 0 | - | 4.16 | 38,325 |
| Switzerland A-Z | 0 | - | 4.45 | 25,756 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,840 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,160 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,454 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,150 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,799 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,193 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,915 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,431 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,644 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,365 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,262 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,401 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,013 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,618 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,154 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,612 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,270 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,244 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,544 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,671 |
| Australia Country Quiz | 0 | - | 4.43 | 69,820 |
| Regions of New Zealand | 0 | - | 4.84 | 28,704 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,746 |
| African Geography A-Z | 0 | - | 4.33 | 21,529 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,274 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,175 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,439 |
| Countries that Start with D | 0 | - | 4.96 | 715,720 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,235 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,644 |
| Countries that Start with H | 0 | - | 4.96 | 609,062 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,909 |
| Countries that Start with J | 0 | - | 4.98 | 606,461 |
| Countries that Start with K | 0 | - | 4.97 | 820,252 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,142 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,210 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,412 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,260 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,409 |
| Countries that Start with U | 0 | - | 4.97 | 908,116 |
| Countries that Start with V | 0 | - | 4.98 | 611,719 |
| Countries that Start with F | 0 | - | 4.83 | 620,918 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,541 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,082 |
| South America A-Z | 0 | - | 4.15 | 10,942 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,874 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,294 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,734 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,860 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,176 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,962 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,676 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,362 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,987 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,403 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,452 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,243 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,741 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,213 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,136 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,380 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,027 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,951 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,420 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,909 |
| The Bible A-Z | 0 | - | 4.29 | 59,965 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,927 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,687 |
| 17th Century A-Z | 0 | - | 4.78 | 34,741 |
| Famous Australians by Description | 0 | - | 4.23 | 28,131 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,430 |
| American Football A-Z | 0 | - | 4.26 | 14,553 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,147 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,469 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,498 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,479 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,185 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,379 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,600 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,502 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,660 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,829 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,578 |
| Russian History A-Z | 0 | - | 4.35 | 32,175 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,231 |
| London A-Z | 0 | - | 4.10 | 40,873 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,540 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,211 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,239 |
| Military History A-Z | 0 | - | 4.20 | 21,238 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,324,679 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,825 |
| Human Body A-Z | 0 | - | 4.51 | 129,608 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,195 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,259 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,498 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,669 |
| Official European Union Languages | 0 | - | 4.97 | 239,664 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,563 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,010 |
| Famous Germans | 0 | - | 4.50 | 55,753 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,317 |
| Turkey A-Z | 0 | - | 4.04 | 11,915 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,422 |
| Countries that Start with R | 0 | - | 4.43 | 449,999 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,773 |
| Word Chain - Australia | 0 | - | 4.38 | 38,236 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,048 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,059 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,326 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,785 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,613 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,040 |
| Asia Map Quiz | 0 | - | 4.99 | 924,381 |
| A Quiz About Islam | 0 | - | 4.32 | 48,602 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,146 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,651 |
| Basketball A-Z | 0 | - | 3.87 | 22,747 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,197 |
| Mountains A-Z | 0 | - | 3.78 | 11,005 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,894 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,511 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,129 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,390 |
| Australia Map Quiz | 0 | - | 4.95 | 346,029 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,615 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,156 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,455 |
| California Cities A-Z | 0 | - | 4.06 | 17,429 |
| Hawaii A-Z | 0 | - | 4.28 | 13,483 |
| Texas A-Z | 0 | - | 4.19 | 16,434 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,587 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,486 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,765 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,601 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,057 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,279 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,978 |
| The Only European Country ... | 0 | - | 4.91 | 218,755 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,393 |
| Famous French People | 0 | - | 4.07 | 36,060 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,037 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,848 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,885 |
| Japanese Companies | 0 | - | 4.29 | 34,342 |
| Countries of Africa | 0 | - | 5.00 | 2,557,110 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,767 |
| African East Coast | 0 | - | 4.96 | 96,685 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,543 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,061 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,619 |
| Countries with NO Military | 0 | - | 4.97 | 63,303 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 104,213 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,649 |
| Monarchies of the World | 0 | - | 4.94 | 170,069 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,758 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,016 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,153 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,555 |
| Disney Animated Characters | 0 | - | 4.88 | 602,753 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,050 |
| Fast Math - Addition | 0 | - | 4.87 | 524,705 |
| NATO Countries | 0 | - | 4.98 | 283,143 |
| EU Countries Quiz | 0 | - | 4.99 | 277,521 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,175 |
| 7 Deadly Sins | 0 | - | 4.88 | 403,752 |
| Books of the Protestant Bible | 0 | - | 4.84 | 211,762 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,332 |
| Astronomy Quiz | 0 | - | 4.90 | 83,189 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,155 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,894 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,474 |
