| Southernmost Countries A-Z | 0 | - | 4.95 | 153,806 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,109 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,578 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,837 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,375 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,151 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,993 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,744 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,489 |
| Africa A-Z | 0 | - | 4.57 | 46,688 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,625 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,768 |
| Middle East A-Z | 0 | - | 4.47 | 46,157 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,512 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,453 |
| Australian Capitals | 0 | - | 4.92 | 62,761 |
| Canada A-Z | 0 | - | 4.73 | 32,896 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,182 |
| European Geography A-Z | 0 | - | 4.29 | 49,372 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,186 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,458 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,317 |
| Australia True or False | 0 | - | 4.87 | 56,965 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,028 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,427 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,824 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,379 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,043 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,380 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,236 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,049 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,311 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,878 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,917 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,613 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,669 |
| France A-Z | 0 | - | 4.16 | 38,275 |
| Switzerland A-Z | 0 | - | 4.45 | 25,695 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,281 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,856 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,514 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,025 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,487 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,143 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,058 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,434 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,784 |
| African Geography A-Z | 0 | - | 4.33 | 21,500 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,499 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,816 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,630 |
| Countries that Start with D | 0 | - | 4.96 | 712,198 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,189 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,417 |
| Countries that Start with H | 0 | - | 4.96 | 606,556 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,662 |
| Countries that Start with J | 0 | - | 4.98 | 604,136 |
| Countries that Start with K | 0 | - | 4.97 | 817,696 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,991 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,069 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,425 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,056 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,579 |
| Countries that Start with U | 0 | - | 4.97 | 905,877 |
| Countries that Start with V | 0 | - | 4.98 | 610,319 |
| Countries that Start with F | 0 | - | 4.83 | 618,984 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,230 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,450 |
| Australia Country Quiz | 0 | - | 4.43 | 69,683 |
| Regions of New Zealand | 0 | - | 4.84 | 28,606 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,953 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,874 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,710 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,157 |
| South America A-Z | 0 | - | 4.13 | 10,926 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,301 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,644 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,495 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,181 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,925 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,554 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,036 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,170 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,463 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,152 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,026 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,297 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,891 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,847 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,320 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,814 |
| The Bible A-Z | 0 | - | 4.29 | 59,861 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,849 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,575 |
| 17th Century A-Z | 0 | - | 4.78 | 34,690 |
| Famous Australians by Description | 0 | - | 4.23 | 28,015 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,659 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,774 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,581 |
| American Football A-Z | 0 | - | 4.26 | 14,539 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,125 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,321 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,339 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,305 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,029 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,170 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,503 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,338 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,511 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 35,959 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,385 |
| Russian History A-Z | 0 | - | 4.35 | 31,889 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,182 |
| London A-Z | 0 | - | 4.10 | 40,823 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,765 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,065 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,657 |
| Military History A-Z | 0 | - | 4.20 | 21,196 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,654 |
| Human Body A-Z | 0 | - | 4.51 | 129,401 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,768 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 57,986 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,126 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,305 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,791 |
| Famous Germans | 0 | - | 4.50 | 55,548 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,855 |
| Turkey A-Z | 0 | - | 4.04 | 11,873 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,320,299 |
| Countries that Start with R | 0 | - | 4.43 | 448,570 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,648 |
| Word Chain - Australia | 0 | - | 4.38 | 38,175 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,943 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,950 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,213 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,677 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,363 |
| Official European Union Languages | 0 | - | 4.97 | 238,984 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,181 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,261 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,880 |
| Asia Map Quiz | 0 | - | 4.99 | 920,106 |
| A Quiz About Islam | 0 | - | 4.31 | 48,513 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,966 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,376 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,722 |
| Basketball A-Z | 0 | - | 3.87 | 22,722 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,159 |
| Mountains A-Z | 0 | - | 3.78 | 10,977 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,441 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,081 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,001 |
| Australia Map Quiz | 0 | - | 4.95 | 345,282 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,531 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,130 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,189 |
| California Cities A-Z | 0 | - | 4.06 | 17,321 |
| Hawaii A-Z | 0 | - | 4.28 | 13,464 |
| Texas A-Z | 0 | - | 4.19 | 16,394 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,562 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,201 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,884 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,749 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,676 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,155 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,127 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,772 |
| The Only European Country ... | 0 | - | 4.91 | 217,538 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,671 |
| Famous French People | 0 | - | 4.07 | 35,878 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,924 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,366 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,060 |
| Japanese Companies | 0 | - | 4.28 | 34,270 |
| Countries of Africa | 0 | - | 5.00 | 2,546,266 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,148 |
| African East Coast | 0 | - | 4.96 | 96,325 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,189 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,545 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,719 |
| Countries with NO Military | 0 | - | 4.97 | 62,696 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,183 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,032 |
| Monarchies of the World | 0 | - | 4.94 | 169,350 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,346 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,631 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,796 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,369 |
| Disney Animated Characters | 0 | - | 4.88 | 602,005 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,824 |
| Fast Math - Addition | 0 | - | 4.87 | 523,663 |
| NATO Countries | 0 | - | 4.98 | 281,743 |
| EU Countries Quiz | 0 | - | 4.99 | 275,778 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,361 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,686 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,856 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,782 |
| Astronomy Quiz | 0 | - | 4.90 | 82,868 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,945 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,609 |
