| Southernmost Countries A-Z | 0 | - | 4.95 | 154,064 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,582 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,870 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,850 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,882 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,429 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,946 |
| Africa A-Z | 0 | - | 4.57 | 46,756 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,650 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,919 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,799 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,495 |
| Australian Capitals | 0 | - | 4.92 | 62,823 |
| Middle East A-Z | 0 | - | 4.47 | 46,228 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,965 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,579 |
| 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 | 155,192 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 75,735 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,080 |
| Australia True or False | 0 | - | 4.87 | 57,120 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,965 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,819 |
| France A-Z | 0 | - | 4.16 | 38,325 |
| Switzerland A-Z | 0 | - | 4.45 | 25,755 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,837 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,157 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,444 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,150 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,797 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,188 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,912 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,429 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,642 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,365 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,260 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,400 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,010 |
| 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 | 43,268 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,244 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,541 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,668 |
| 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 | 240,743 |
| African Geography A-Z | 0 | - | 4.33 | 21,529 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,222 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,128 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,403 |
| Countries that Start with D | 0 | - | 4.96 | 715,689 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,199 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,611 |
| Countries that Start with H | 0 | - | 4.96 | 609,040 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,888 |
| Countries that Start with J | 0 | - | 4.98 | 606,440 |
| Countries that Start with K | 0 | - | 4.97 | 820,233 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,119 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,185 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,392 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,223 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,392 |
| Countries that Start with U | 0 | - | 4.97 | 908,103 |
| Countries that Start with V | 0 | - | 4.98 | 611,710 |
| Countries that Start with F | 0 | - | 4.83 | 620,899 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,509 |
| 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 | 53,293 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,732 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,858 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,173 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,961 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,675 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,360 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,986 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,402 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,452 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,240 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,740 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,213 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,134 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,378 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,027 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,950 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,420 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,908 |
| 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 | 28,129 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,421 |
| American Football A-Z | 0 | - | 4.26 | 14,552 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,147 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,467 |
| 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 | 50,184 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,377 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,599 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,502 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,658 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,827 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,577 |
| Russian History A-Z | 0 | - | 4.35 | 32,174 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,230 |
| London A-Z | 0 | - | 4.10 | 40,870 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,535 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,211 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,238 |
| Military History A-Z | 0 | - | 4.20 | 21,238 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,324,647 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,825 |
| Human Body A-Z | 0 | - | 4.51 | 129,606 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,194 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,258 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,496 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,666 |
| Official European Union Languages | 0 | - | 4.97 | 239,657 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,563 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,931 |
| Famous Germans | 0 | - | 4.50 | 55,751 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,315 |
| Turkey A-Z | 0 | - | 4.04 | 11,915 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,415 |
| Countries that Start with R | 0 | - | 4.43 | 449,990 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,762 |
| Word Chain - Australia | 0 | - | 4.38 | 38,236 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,047 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,059 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,325 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,785 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,608 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,026 |
| Asia Map Quiz | 0 | - | 4.99 | 924,375 |
| A Quiz About Islam | 0 | - | 4.32 | 48,600 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,146 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,634 |
| 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 | 93,893 |
| 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 | 346,028 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,614 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,122 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,451 |
| 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 | 30,485 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,761 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,885 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,597 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,053 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,279 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,972 |
| The Only European Country ... | 0 | - | 4.91 | 218,747 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,388 |
| Famous French People | 0 | - | 4.07 | 36,059 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,037 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,847 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,874 |
| Japanese Companies | 0 | - | 4.29 | 34,342 |
| Countries of Africa | 0 | - | 5.00 | 2,556,942 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,763 |
| African East Coast | 0 | - | 4.96 | 96,684 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,540 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,051 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,610 |
| Countries with NO Military | 0 | - | 4.97 | 63,298 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 104,140 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,641 |
| Monarchies of the World | 0 | - | 4.94 | 170,062 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,756 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,015 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,152 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,554 |
| Disney Animated Characters | 0 | - | 4.88 | 602,743 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,049 |
| Fast Math - Addition | 0 | - | 4.87 | 524,695 |
| NATO Countries | 0 | - | 4.98 | 283,132 |
| EU Countries Quiz | 0 | - | 4.99 | 277,506 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,166 |
| 7 Deadly Sins | 0 | - | 4.88 | 403,744 |
| Books of the Protestant Bible | 0 | - | 4.84 | 211,760 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,325 |
| Astronomy Quiz | 0 | - | 4.90 | 83,188 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,155 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,891 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,473 |
