| Southernmost Countries A-Z | 0 | - | 4.94 | 152,774 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,015 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,429 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,838 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,444 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,198 |
| Africa A-Z | 0 | - | 4.57 | 46,388 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,408 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,382 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,026 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,136 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,959 |
| Australian Capitals | 0 | - | 4.92 | 62,596 |
| Middle East A-Z | 0 | - | 4.47 | 45,810 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,928 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,932 |
| Canada A-Z | 0 | - | 4.73 | 32,654 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,255 |
| European Geography A-Z | 0 | - | 4.28 | 49,018 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,767 |
| World Cities A-Z by Clue #1 | 0 | - | 4.49 | 66,276 |
| Australia True or False | 0 | - | 4.87 | 56,531 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,905 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,160 |
| France A-Z | 0 | - | 4.16 | 38,067 |
| Switzerland A-Z | 0 | - | 4.45 | 25,515 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,444 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,945 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,892 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,752 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,259 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,966 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,704 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,660 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,049 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,349 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,625 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,847 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,411 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,180 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,586 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,093 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,739 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,163 |
| African Geography A-Z | 0 | - | 4.33 | 21,422 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,944 |
| Australia Country Quiz | 0 | - | 4.43 | 69,313 |
| Regions of New Zealand | 0 | - | 4.85 | 28,208 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,408 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,816 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,682 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,007 |
| Countries that Start with D | 0 | - | 4.96 | 702,018 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,076 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,443 |
| Countries that Start with H | 0 | - | 4.96 | 598,351 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,725 |
| Countries that Start with J | 0 | - | 4.98 | 596,416 |
| Countries that Start with K | 0 | - | 4.97 | 809,752 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,317 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,210 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,982 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,142 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,548 |
| Countries that Start with U | 0 | - | 4.97 | 900,180 |
| Countries that Start with V | 0 | - | 4.98 | 605,343 |
| Countries that Start with F | 0 | - | 4.83 | 612,507 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,850 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 57,726 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,551 |
| South America A-Z | 0 | - | 4.13 | 10,841 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,613 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,140 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,458 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,254 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,695 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,928 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,312 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,518 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,192 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,946 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,320 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,532 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,534 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,933 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,720 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,006 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,536 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,521 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,031 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,512 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,470 |
| The Bible A-Z | 0 | - | 4.29 | 59,337 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,654 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,209 |
| 17th Century A-Z | 0 | - | 4.78 | 34,178 |
| Famous Australians by Description | 0 | - | 4.23 | 27,642 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,828 |
| American Football A-Z | 0 | - | 4.26 | 14,475 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,003 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,644 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,410 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,394 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,380 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 49,069 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,459 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,656 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,425 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,659 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,406 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,995 |
| London A-Z | 0 | - | 4.10 | 40,648 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,210 |
| Asian Geography By Letter - R | 0 | - | 4.34 | 27,609 |
| Military History A-Z | 0 | - | 4.20 | 21,047 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,659 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,097 |
| Human Body A-Z | 0 | - | 4.51 | 128,480 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,838 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,542 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,737 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,774 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,622 |
| Official European Union Languages | 0 | - | 4.97 | 237,023 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,748 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,341 |
| Famous Germans | 0 | - | 4.50 | 54,651 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,585 |
| Turkey A-Z | 0 | - | 4.04 | 11,730 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,881 |
| Countries that Start with R | 0 | - | 4.43 | 443,885 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,192 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,788 |
| Word Chain - Australia | 0 | - | 4.37 | 38,017 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,226 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,256 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,489 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 36,146 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,323 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,455 |
| Russian History A-Z | 0 | - | 4.38 | 31,019 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,379 |
| Asia Map Quiz | 0 | - | 4.99 | 907,574 |
| A Quiz About Islam | 0 | - | 4.31 | 48,220 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,470 |
| Basketball A-Z | 0 | - | 3.87 | 22,642 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,025 |
| Mountains A-Z | 0 | - | 3.82 | 10,872 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,060 |
| Countries of Africa | 0 | - | 5.00 | 2,509,714 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,871 |
| African East Coast | 0 | - | 4.96 | 95,113 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,997 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,984 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,848 |
| Australia Map Quiz | 0 | - | 4.94 | 342,621 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,116 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,868 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,442 |
| California Cities A-Z | 0 | - | 4.06 | 17,015 |
| Hawaii A-Z | 0 | - | 4.28 | 13,408 |
| Texas A-Z | 0 | - | 4.18 | 16,312 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,514 |
| U.S. History A-Z #1 | 0 | - | 4.35 | 29,462 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,271 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,244 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,140 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,467 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,560 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,681 |
| The Only European Country ... | 0 | - | 4.91 | 214,031 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,680 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,580 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,544 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,455 |
| Japanese Companies | 0 | - | 4.28 | 34,090 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,139 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,610 |
| Countries with NO Military | 0 | - | 4.97 | 61,225 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,125 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,855 |
| Monarchies of the World | 0 | - | 4.94 | 166,724 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,605 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,994 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,523 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,689 |
| Disney Animated Characters | 0 | - | 4.88 | 599,347 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,944 |
| Fast Math - Addition | 0 | - | 4.87 | 520,001 |
| NATO Countries | 0 | - | 4.98 | 276,097 |
| EU Countries Quiz | 0 | - | 4.99 | 270,185 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,166 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,327 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,424 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,727 |
| Astronomy Quiz | 0 | - | 4.90 | 81,787 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,204 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,784 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,207 |
| Colors by Letter | 0 | - | 4.25 | 162,069 |
